registry.xml

<?xml version="1.0" encoding="UTF-8"?>

<registry name="cam_registry" version="1.0">
  <!-- CAM-SIMA Host model meta files -->
  <!-- Meta-files with DDTs must be listed first -->
  <!-- BEGIN Metadata files provided by RRTMGP via atmospheric_physics -->
  <metadata_file>$SRCROOT/src/physics/ncar_ccpp/schemes/rrtmgp/objects/ccpp_fluxes_byband.meta</metadata_file>
  <metadata_file>$SRCROOT/src/physics/ncar_ccpp/schemes/rrtmgp/objects/ccpp_fluxes.meta</metadata_file>
  <metadata_file>$SRCROOT/src/physics/ncar_ccpp/schemes/rrtmgp/objects/ccpp_gas_concentrations.meta</metadata_file>
  <metadata_file>$SRCROOT/src/physics/ncar_ccpp/schemes/rrtmgp/objects/ccpp_gas_optics_rrtmgp.meta</metadata_file>
  <metadata_file>$SRCROOT/src/physics/ncar_ccpp/schemes/rrtmgp/objects/ccpp_optical_props.meta</metadata_file>
  <metadata_file>$SRCROOT/src/physics/ncar_ccpp/schemes/rrtmgp/objects/ccpp_source_functions.meta</metadata_file>
  <!-- END Metadata files provided by RRTMGP via atmospheric_physics -->
  <metadata_file>$SRCROOT/src/physics/ncar_ccpp/to_be_ccppized/coords_1d.meta</metadata_file>
  <metadata_file>$SRCROOT/src/utils/spmd_utils.meta</metadata_file>
  <metadata_file>$SRCROOT/src/control/cam_control_mod.meta</metadata_file>
  <metadata_file>$SRCROOT/src/control/cam_logfile.meta</metadata_file>
  <metadata_file>$SRCROOT/src/control/runtime_obj.meta</metadata_file>
  <metadata_file>$SRCROOT/src/data/physconst.meta</metadata_file>
  <metadata_file>$SRCROOT/src/physics/utils/orbital_data.meta</metadata_file>
  <metadata_file>$SRCROOT/src/physics/utils/musica_ccpp_dependencies.meta</metadata_file>
  <metadata_file>$SRCROOT/src/physics/utils/physics_grid.meta</metadata_file>
  <metadata_file>$SRCROOT/src/physics/utils/radiation_namelist.meta</metadata_file>
  <metadata_file>$SRCROOT/src/physics/utils/cam_constituents.meta</metadata_file>
  <metadata_file>$SRCROOT/src/physics/utils/tropopause_climo_read.meta</metadata_file>
  <metadata_file>$SRCROOT/src/physics/utils/gravity_wave_drag_ridge_read.meta</metadata_file>
  <metadata_file>$SRCROOT/src/data/air_composition.meta</metadata_file>
  <metadata_file>$SRCROOT/src/data/cam_thermo.meta</metadata_file>
  <metadata_file>$SRCROOT/src/data/cam_thermo_formula.meta</metadata_file>
  <metadata_file>$SRCROOT/src/data/ref_pres.meta</metadata_file>
  <metadata_file>$SRCROOT/src/dynamics/utils/vert_coord.meta</metadata_file>
  <metadata_file>$SRCROOT/src/dynamics/utils/hycoef.meta</metadata_file>

  <!-- Variables registered to physics_types -->
  <file name="physics_types" type="module">
    <use module="ccpp_kinds" reference="kind_phys"/>
    <use module="runtime_obj" reference="unset_str"/>
    <use module="runtime_obj" reference="unset_int"/>
    <use module="runtime_obj" reference="unset_real"/>
    <use module="phys_vars_init_check" reference="mark_as_initialized"/>
    <use module="phys_vars_init_check" reference="is_initialized"/>
    <use module="physconst" reference="cpair"/>
    <use module="physconst" reference="rair"/>
    <use module="physconst" reference="mwdry"/>
    <use module="physconst" reference="zvir"/>
    <!-- State variables -->
    <variable local_name="ps" standard_name="surface_air_pressure"
              units="Pa" type="real" kind="kind_phys"
              allocatable="pointer">
      <dimensions>horizontal_dimension</dimensions>
      <ic_file_input_names>ps state_ps</ic_file_input_names>
    </variable>
    <variable local_name="psdry" standard_name="surface_pressure_of_dry_air"
              units="Pa" type="real" kind="kind_phys"
              allocatable="pointer">
      <dimensions>horizontal_dimension</dimensions>
      <ic_file_input_names>psdry state_psdry</ic_file_input_names>
    </variable>
    <variable local_name="phis" standard_name="surface_geopotential"
              units="m2 s-2" type="real" kind="kind_phys"
              allocatable="pointer">
      <dimensions>horizontal_dimension</dimensions>
      <ic_file_input_names>phis state_phis</ic_file_input_names>
    </variable>
    <variable local_name="T" standard_name="air_temperature"
              units="K" type="real" kind="kind_phys"
              allocatable="pointer">
      <long_name>Air temperature</long_name>
      <dimensions>horizontal_dimension vertical_layer_dimension</dimensions>
      <ic_file_input_names>T state_t</ic_file_input_names>
    </variable>
    <variable local_name="u" standard_name="eastward_wind"
              units="m s-1" type="real" kind="kind_phys"
              allocatable="pointer">
      <long_name>Horizontal wind in a direction perpendicular to northward_wind</long_name>
      <dimensions>horizontal_dimension vertical_layer_dimension</dimensions>
      <ic_file_input_names>u state_u</ic_file_input_names>
    </variable>
    <variable local_name="v" standard_name="northward_wind"
              units="m s-1" type="real" kind="kind_phys"
              allocatable="pointer">
      <long_name>Horizontal wind in a direction perpendicular to eastward_wind</long_name>
      <dimensions>horizontal_dimension vertical_layer_dimension</dimensions>
      <ic_file_input_names>v state_v</ic_file_input_names>
    </variable>
    <variable local_name="dse" standard_name="dry_static_energy"
              units="J kg-1" type="real" kind="kind_phys"
              allocatable="pointer">
      <dimensions>horizontal_dimension vertical_layer_dimension</dimensions>
      <ic_file_input_names>s state_s</ic_file_input_names>
    </variable>
    <variable local_name="omega" standard_name="lagrangian_tendency_of_air_pressure"
              units="Pa s-1" type="real" kind="kind_phys"
              allocatable="pointer">
      <long_name>Vertical pressure velocity</long_name>
      <dimensions>horizontal_dimension vertical_layer_dimension</dimensions>
      <ic_file_input_names>omega state_omega</ic_file_input_names>
    </variable>
    <variable local_name="pmid" standard_name="air_pressure"
              units="Pa" type="real" kind="kind_phys"
              allocatable="pointer">
      <dimensions>horizontal_dimension vertical_layer_dimension</dimensions>
      <ic_file_input_names>pmid state_pmid</ic_file_input_names>
    </variable>
    <variable local_name="pmiddry" standard_name="air_pressure_of_dry_air"
              units="Pa" type="real" kind="kind_phys"
              allocatable="pointer">
      <long_name>Dry midpoint pressure</long_name>
      <dimensions>horizontal_dimension vertical_layer_dimension</dimensions>
      <ic_file_input_names>pmiddry state_pmiddry</ic_file_input_names>
    </variable>
    <variable local_name="pdel" standard_name="air_pressure_thickness"
              units="Pa" type="real" kind="kind_phys"
              allocatable="pointer">
      <dimensions>horizontal_dimension vertical_layer_dimension</dimensions>
      <ic_file_input_names>pdel state_pdel</ic_file_input_names>
    </variable>
    <variable local_name="pdeldry"
              standard_name="air_pressure_thickness_of_dry_air"
              units="Pa" type="real" kind="kind_phys"
              allocatable="pointer">
      <dimensions>horizontal_dimension vertical_layer_dimension</dimensions>
      <ic_file_input_names>pdeldry state_pdeldry</ic_file_input_names>
    </variable>
    <variable local_name="rpdel"
              standard_name="reciprocal_of_air_pressure_thickness"
              units="Pa-1" type="real" kind="kind_phys"
              allocatable="pointer">
      <dimensions>horizontal_dimension vertical_layer_dimension</dimensions>
      <ic_file_input_names>rpdel state_rpdel</ic_file_input_names>
    </variable>
    <variable local_name="rpdeldry"
              standard_name="reciprocal_of_air_pressure_thickness_of_dry_air"
              units="Pa-1" type="real" kind="kind_phys"
              allocatable="pointer">
      <dimensions>horizontal_dimension vertical_layer_dimension</dimensions>
      <ic_file_input_names>rpdeldry state_rpdeldry</ic_file_input_names>
    </variable>
    <variable local_name="frontgf"
              standard_name="frontogenesis_function"
              units="K2 m-2 s-1" type="real" kind="kind_phys"
              allocatable="pointer">
      <dimensions>horizontal_dimension vertical_layer_dimension</dimensions>
      <ic_file_input_names>frontgf pbuf_FRONTGF</ic_file_input_names>
    </variable>
    <variable local_name="frontga"
              standard_name="frontogenesis_angle"
              units="radians" type="real" kind="kind_phys"
              allocatable="pointer">
      <dimensions>horizontal_dimension vertical_layer_dimension</dimensions>
      <ic_file_input_names>frontga pbuf_FRONTGA</ic_file_input_names>
    </variable>
    <variable local_name="vorticity"
              standard_name="relative_vorticity"
              units="s-1" type="real" kind="kind_phys"
              allocatable="pointer">
      <dimensions>horizontal_dimension vertical_layer_dimension</dimensions>
      <ic_file_input_names>pbuf_VORT4GW</ic_file_input_names>
    </variable>
    <!-- State quantities for shallow/deep convection -->
    <variable local_name="qpert"
              standard_name="convective_water_vapor_mixing_ratio_wrt_moist_air_and_condensed_water_perturbation_due_to_pbl_eddies"
              units="kg kg-1" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>qpert pbuf_qpert</ic_file_input_names>
    </variable>
    <variable local_name="cmfmc"
              standard_name="atmosphere_convective_mass_flux_due_to_all_convection"
              units="kg m-2 s-1" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension vertical_interface_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>cmfmc tphysbc_cmfmc</ic_file_input_names>
    </variable>
    <variable local_name="cmfmc_dp"
              standard_name="atmosphere_convective_mass_flux_due_to_deep_convection"
              units="kg m-2 s-1" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension vertical_interface_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>cmfmc_dp pbuf_CMFMC_DP</ic_file_input_names>
    </variable>
    <variable local_name="cmfmc_sh"
              standard_name="atmosphere_convective_mass_flux_due_to_shallow_convection"
              units="kg m-2 s-1" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension vertical_interface_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>cmfmc_sh pbuf_CMFMC_SH</ic_file_input_names>
    </variable>
    <variable local_name="dlfzm"
              standard_name="detrainment_of_cloud_liquid_water_wrt_moist_air_and_condensed_water_due_to_deep_convection"
              units="kg kg-1 s-1" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension vertical_layer_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>dlfzm pbuf_DLFZM</ic_file_input_names>
    </variable>
    <variable local_name="dlf"
              standard_name="detrainment_of_cloud_liquid_water_wrt_moist_air_and_condensed_water_due_to_all_convection"
              units="kg kg-1 s-1" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension vertical_layer_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>dlf tphysbc_dlf</ic_file_input_names>
    </variable>
    <variable local_name="dlf2"
              standard_name="detrainment_of_cloud_liquid_water_wrt_moist_air_and_condensed_water_due_to_shallow_convection"
              units="kg kg-1 s-1" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension vertical_layer_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>dlf2 tphysbc_dlf2</ic_file_input_names>
    </variable>
    <variable local_name="rprddp"
              standard_name="tendency_of_precipitation_wrt_moist_air_and_condensed_water_due_to_deep_convection_excluding_subcloud_evaporation"
              units="kg kg-1 s-1" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension vertical_layer_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>pbuf_RPRDDP</ic_file_input_names>
    </variable>
    <variable local_name="rliq"
              standard_name="vertically_integrated_cloud_liquid_water_tendency_due_to_all_convection_to_be_applied_later_in_time_loop"
              units="m s-1" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>rliq tphysbc_rliq</ic_file_input_names>
    </variable>
    <variable local_name="rliq2"
              standard_name="vertically_integrated_cloud_liquid_water_tendency_due_to_shallow_convection_to_be_applied_later_in_time_loop"
              units="m s-1" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>rliq2 tphysbc_rliq2</ic_file_input_names>
    </variable>
    <!-- State helper values -->
    <variable local_name="lnpmid" standard_name="ln_air_pressure"
              units="1" type="real" kind="kind_phys"
              allocatable="pointer">
      <long_name>ln(air pressure)</long_name>
      <dimensions>horizontal_dimension vertical_layer_dimension</dimensions>
      <ic_file_input_names>lnpmid state_lnpmid</ic_file_input_names>
    </variable>
    <variable local_name="lnpmiddry"
              standard_name="ln_air_pressure_of_dry_air"
              units="1" type="real" kind="kind_phys"
              allocatable="pointer">
      <long_name>ln(air pressure of dry air)</long_name>
      <dimensions>horizontal_dimension vertical_layer_dimension</dimensions>
      <ic_file_input_names>lnpmiddry state_lnpmiddry</ic_file_input_names>
    </variable>
    <variable local_name="exner" standard_name="reciprocal_of_dimensionless_exner_function_wrt_surface_air_pressure"
              units="1" type="real" kind="kind_phys"
              allocatable="pointer">
      <long_name>inverse exner function w.r.t. surface pressure (ps/p)^(R/cp)</long_name>
      <dimensions>horizontal_dimension vertical_layer_dimension</dimensions>
      <ic_file_input_names>exner state_exner inverse_exner_function_wrt_surface_pressure</ic_file_input_names>
    </variable>
    <variable local_name="zm"
              standard_name="geopotential_height_wrt_surface"
              units="m" type="real" kind="kind_phys"
              allocatable="pointer">
      <dimensions>horizontal_dimension vertical_layer_dimension</dimensions>
      <ic_file_input_names>zm state_zm</ic_file_input_names>
    </variable>
    <variable local_name="pint" standard_name="air_pressure_at_interface"
              units="Pa"
              type="real" kind="kind_phys"
              allocatable="pointer">
      <dimensions>horizontal_dimension vertical_interface_dimension</dimensions>
      <ic_file_input_names>pint state_pint</ic_file_input_names>
    </variable>
    <variable local_name="pintdry" standard_name="air_pressure_of_dry_air_at_interface"
              units="Pa"
              type="real" kind="kind_phys"
              allocatable="pointer">
      <dimensions>horizontal_dimension vertical_interface_dimension</dimensions>
      <ic_file_input_names>pintdry state_pintdry</ic_file_input_names>
    </variable>
    <variable local_name="lnpint"
              standard_name="ln_air_pressure_at_interface"
              units="1"
              type="real" kind="kind_phys"
              allocatable="pointer">
      <long_name>ln(air pressure at interface)</long_name>
      <dimensions>horizontal_dimension vertical_interface_dimension</dimensions>
      <ic_file_input_names>lnpint state_lnpint</ic_file_input_names>
    </variable>
    <variable local_name="lnpintdry"
              standard_name="ln_air_pressure_of_dry_air_at_interface"
              units="1"
              type="real" kind="kind_phys"
              allocatable="pointer">
      <long_name>ln(air pressure of dry air at interface)</long_name>
      <dimensions>horizontal_dimension vertical_interface_dimension</dimensions>
      <ic_file_input_names>lnpintdry state_lnpintdry</ic_file_input_names>
    </variable>
    <variable local_name="zi"
              standard_name="geopotential_height_wrt_surface_at_interface"
              units="m"
              type="real" kind="kind_phys"
              allocatable="pointer">
      <dimensions>horizontal_dimension vertical_interface_dimension</dimensions>
      <ic_file_input_names>zi state_zi</ic_file_input_names>
    </variable>
    <variable local_name="te_ini_phys"
              standard_name="vertically_integrated_total_energy_using_physics_energy_formula_at_start_of_physics_timestep"
              units="J m-2"
              type="real" kind="kind_phys"
              allocatable="pointer">
      <dimensions>horizontal_dimension</dimensions>
      <ic_file_input_names>te_ini_phys state_te_ini_phys</ic_file_input_names>
    </variable>
    <variable local_name="te_cur_phys"
              standard_name="vertically_integrated_total_energy_using_physics_energy_formula"
              units="J m-2"
              type="real" kind="kind_phys"
              allocatable="pointer">
      <dimensions>horizontal_dimension</dimensions>
      <ic_file_input_names>te_cur_phys state_te_cur_phys</ic_file_input_names>
    </variable>
    <variable local_name="te_ini_dyn"
              standard_name="vertically_integrated_total_energy_using_dycore_energy_formula_at_start_of_physics_timestep"
              units="J m-2"
              type="real" kind="kind_phys"
              allocatable="pointer">
      <dimensions>horizontal_dimension</dimensions>
      <ic_file_input_names>te_ini_dyn state_te_ini_dyn</ic_file_input_names>
    </variable>
    <variable local_name="te_cur_dyn"
              standard_name="vertically_integrated_total_energy_using_dycore_energy_formula"
              units="J m-2"
              type="real" kind="kind_phys"
              allocatable="pointer">
      <dimensions>horizontal_dimension</dimensions>
      <ic_file_input_names>te_cur_dyn state_te_cur_dyn</ic_file_input_names>
    </variable>
    <variable local_name="tw_ini"
              standard_name="vertically_integrated_total_water_at_start_of_physics_timestep"
              units="kg m-2"
              type="real" kind="kind_phys"
              allocatable="pointer">
      <dimensions>horizontal_dimension</dimensions>
      <ic_file_input_names>tw_ini state_tw_ini</ic_file_input_names>
    </variable>
    <variable local_name="tw_cur"
              standard_name="vertically_integrated_total_water"
              units="kg m-2"
              type="real" kind="kind_phys"
              allocatable="pointer">
      <dimensions>horizontal_dimension</dimensions>
      <ic_file_input_names>tw_cur state_tw_cur</ic_file_input_names>
    </variable>
    <variable local_name="teout"
              standard_name="vertically_integrated_total_energy_using_dycore_energy_formula_at_end_of_physics_timestep"
              units="J m-2" type="real" kind="kind_phys"
              allocatable="allocatable">
      <long_name>Total energy using dynamical core formula at the end of physics timestep</long_name>
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>0.0</initial_value>
    </variable>
    <variable local_name="dycore_energy_consistency_adjust"
              standard_name="flag_for_dycore_energy_consistency_adjustment"
              units="flag" type="logical">
      <long_name>flag indicating if dynamical core energy is not consistent with CAM physics and to perform adjustment of temperature and temperature tendency</long_name>
      <initial_value>.false.</initial_value>
      <initial_value dyn="SE,MPAS">.true.</initial_value>
    </variable>
    <!-- Timestep properties -->
    <variable local_name="is_first_timestep"
              standard_name="is_first_timestep"
              units="flag" type="logical">
      <long_name>flag indicating if it is the first timestep of an initial run</long_name>
    </variable>
    <variable local_name="is_first_restart_timestep"
              standard_name="is_first_restart_timestep"
              units="flag" type="logical">
      <long_name>flag indicating if it is the first timestep of restart run</long_name>
    </variable>
    <!-- State tendencies -->
    <variable local_name="dTdt_total"
              standard_name="tendency_of_air_temperature_due_to_model_physics"
              units="K s-1" type="real" kind="kind_phys"
              allocatable="pointer">
      <long_name>Change in temperature from a parameterization</long_name>
      <dimensions>horizontal_dimension vertical_layer_dimension</dimensions>
      <ic_file_input_names>dTdt tend_dtdt</ic_file_input_names>
    </variable>
    <variable local_name="dudt_total"
              standard_name="tendency_of_eastward_wind_due_to_model_physics"
              units="m s-2" type="real" kind="kind_phys"
              allocatable="pointer">
      <long_name>Change in eastward wind from a parameterization</long_name>
      <dimensions>horizontal_dimension vertical_layer_dimension</dimensions>
      <ic_file_input_names>dudt tend_dudt</ic_file_input_names>
    </variable>
    <variable local_name="dvdt_total"
              standard_name="tendency_of_northward_wind_due_to_model_physics"
              units="m s-2" type="real" kind="kind_phys"
              allocatable="pointer">
      <long_name>Change in northward wind from a parameterization</long_name>
      <dimensions>horizontal_dimension vertical_layer_dimension</dimensions>
      <ic_file_input_names>dvdt tend_dvdt</ic_file_input_names>
    </variable>
    <variable local_name="heating_rate"
	      standard_name="tendency_of_dry_air_enthalpy_at_constant_pressure"
	      units="J kg-1 s-1" type="real" kind="kind_phys"
	      allocatable="allocatable">
       <dimensions>horizontal_dimension vertical_layer_dimension</dimensions>
       <initial_value>unset_real</initial_value>
    </variable>
    <variable local_name="lagrangian_vertical"
              standard_name="do_lagrangian_vertical_coordinate"
              units="flag" type="logical" access="protected">
      <long_name>flag indicating if vertical coordinate is lagrangian</long_name>
      <initial_value>.false.</initial_value>
    </variable>
    <variable local_name="dycore_gz_log_calc"
              standard_name="dycore_calculates_geopotential_using_logarithms"
              units="flag" type="logical" access="protected">
      <initial_value>.false.</initial_value>
      <initial_value dyn="SE,FV">.true.</initial_value>
    </variable>
    <ddt type="physics_state">
      <data>air_temperature</data>
      <data>dry_static_energy</data>
      <data>eastward_wind</data>
      <data>northward_wind</data>
      <data>lagrangian_tendency_of_air_pressure</data>
      <data>air_pressure_thickness</data>
      <data>air_pressure_thickness_of_dry_air</data>
      <data>reciprocal_of_air_pressure_thickness</data>
      <data>reciprocal_of_air_pressure_thickness_of_dry_air</data>
      <data>air_pressure</data>
      <data>air_pressure_of_dry_air</data>
      <data>ln_air_pressure</data>
      <data>ln_air_pressure_of_dry_air</data>
      <data>air_pressure_at_interface</data>
      <data>air_pressure_of_dry_air_at_interface</data>
      <data>ln_air_pressure_at_interface</data>
      <data>ln_air_pressure_of_dry_air_at_interface</data>
      <data>surface_air_pressure</data>
      <data>surface_pressure_of_dry_air</data>
      <data>surface_geopotential</data>
      <data>geopotential_height_wrt_surface</data>
      <data>geopotential_height_wrt_surface_at_interface</data>
      <data>reciprocal_of_dimensionless_exner_function_wrt_surface_air_pressure</data>
      <data>frontogenesis_function</data>
      <data>frontogenesis_angle</data>
      <data>relative_vorticity</data>
      <data>vertically_integrated_total_energy_using_dycore_energy_formula_at_start_of_physics_timestep</data>
      <data>vertically_integrated_total_energy_using_dycore_energy_formula</data>
      <data>vertically_integrated_total_water_at_start_of_physics_timestep</data>
      <data>vertically_integrated_total_water</data>
      <data>vertically_integrated_total_energy_using_dycore_energy_formula_at_end_of_physics_timestep</data>
    </ddt>
    <ddt type="physics_tend">
      <data>tendency_of_air_temperature_due_to_model_physics</data>
      <data>tendency_of_eastward_wind_due_to_model_physics</data>
      <data>tendency_of_northward_wind_due_to_model_physics</data>
    </ddt>

    <variable local_name="phys_state"
              standard_name="physics_state_due_to_dynamics"
              units="None" type="physics_state">
      <long_name>Physics state variables updated by dynamical core</long_name>
    </variable>
    <variable local_name="phys_tend"
              standard_name="tendency_due_to_model_physics"
              units="None" type="physics_tend"
              phys_timestep_init_zero="true">
      <long_name>Total tendency from physics suite</long_name>
    </variable>
    <!-- Timestep variables -->
    <variable local_name="dtime_phys"
              standard_name="timestep_for_physics"
              units="s" type="real" kind="kind_phys">
      <long_name>timestep for physics</long_name>
    </variable>
    <variable local_name="nstep"
              standard_name="current_timestep_number"
              units="count" type="integer">
      <long_name>current timestep number</long_name>
      <initial_value>0</initial_value>
    </variable>
    <!-- Date and time variables -->
    <variable local_name="calday"
              standard_name="fractional_calendar_days_on_end_of_current_timestep"
              units="days" type="real" kind="kind_phys">
      <long_name>fractional calendar day at end of current timestep</long_name>
    </variable>
    <variable local_name="next_calday"
              standard_name="fractional_calendar_days_on_end_of_next_timestep"
              units="days" type="real" kind="kind_phys">
      <long_name>fractional calendar day at end of next timestep</long_name>
    </variable>
    <variable local_name="nextsw_cday"
              standard_name="next_calendar_day_to_perform_shortwave_radiation_for_surface_models"
              units="days" type="real" kind="kind_phys">
      <long_name>fractional calendar day at which to next perform shortwave radiation</long_name>
    </variable>
    <variable local_name="radiation_offset"
	      standard_name="number_of_seconds_until_next_shortwave_radiation_timestep"
              units="s" type = "integer">
      <long_name>number of seconds until next shortwave radiation timestep</long_name>
    </variable>
    <!-- Error handling variables -->
    <variable local_name="errcode"
              standard_name="ccpp_error_code"
              units="1" type="integer">
      <long_name>ccpp error code</long_name>
      <initial_value>0</initial_value>
    </variable>
    <variable local_name="errmsg"
              standard_name="ccpp_error_message"
              units="none" type="character" kind="len=512">
      <long_name>ccpp error message</long_name>
      <initial_value>''</initial_value>
    </variable>
    <!-- SIMA History (diagnostic output) variables -->
    <variable local_name="fillvalue"
              standard_name="fill_value_for_diagnostic_output"
              units="1" type="real" kind="kind_phys"
              allocatable="parameter">
      <long_name>Fill value for diagnostic/history outputs</long_name>
      <initial_value>1.e36_kind_phys</initial_value>
    </variable>
    <!-- Composition-dependent Variables -->
    <variable local_name="cpairv"
              standard_name="composition_dependent_specific_heat_of_dry_air_at_constant_pressure"
              units="J kg-1 K-1" type="real" kind="kind_phys"
              allocatable="allocatable">
      <long_name>Composition-dependent specific heat of dry air at constant pressure</long_name>
      <dimensions>horizontal_dimension vertical_layer_dimension</dimensions>
      <initial_value>cpair</initial_value>
    </variable>
    <variable local_name="rairv"
              standard_name="composition_dependent_gas_constant_of_dry_air"
              units="J kg-1 K-1" type="real" kind="kind_phys"
              allocatable="allocatable">
      <long_name>Composition-dependent gas constant of dry air</long_name>
      <dimensions>horizontal_dimension vertical_layer_dimension</dimensions>
      <initial_value>rair</initial_value>
    </variable>
    <variable local_name="cappav"
              standard_name="composition_dependent_ratio_of_dry_air_gas_constant_to_specific_heat_of_dry_air_at_constant_pressure"
              units="1" type="real" kind="kind_phys"
              allocatable="allocatable">
      <long_name>Composition-dependent ratio of dry air gas constant to specific heat at constant pressure</long_name>
      <dimensions>horizontal_dimension vertical_layer_dimension</dimensions>
      <initial_value>rair/cpair</initial_value>
    </variable>
    <variable local_name="mbarv"
              standard_name="composition_dependent_mean_molecular_dry_air_weight_at_mid_level"
              units="g mol-1" type="real" kind="kind_phys"
              allocatable="allocatable">
      <long_name>Composition-dependent mean molecular dry air weight at mid-level</long_name>
      <dimensions>horizontal_dimension vertical_layer_dimension</dimensions>
      <initial_value>mwdry</initial_value>
    </variable>
    <variable local_name="zvirv"
              standard_name="ratio_of_water_vapor_gas_constant_to_composition_dependent_dry_air_gas_constant_minus_one"
              units="1" type="real" kind="kind_phys"
              allocatable="allocatable">
      <long_name>Composition-dependent ratio of water vapor to dry air gas constants minus one</long_name>
      <dimensions>horizontal_dimension vertical_layer_dimension</dimensions>
      <initial_value>zvir</initial_value>
    </variable>
    <variable local_name="cp_or_cv_dycore"
              standard_name="specific_heat_of_air_used_in_dycore"
              units="J kg-1 K-1" type="real" kind="kind_phys"
              allocatable="allocatable">
      <long_name>specific heat of air used in the dynamical core (enthalpy for pressure-based dynamical cores and internal energy for z-based dynamical cores), updated mid-physics for post-mass-adjustment total energy diagnostics</long_name>
      <dimensions>horizontal_dimension vertical_layer_dimension</dimensions>
      <initial_value>0._kind_phys</initial_value>
    </variable>
    <variable local_name="cp_or_cv_dycore_at_start_of_physics_timestep"
              standard_name="specific_heat_of_air_used_in_dycore_at_start_of_physics_timestep"
              units="J kg-1 K-1" type="real" kind="kind_phys"
              allocatable="allocatable">
      <long_name>Specific heat of air used in the dynamical core (enthalpy for pressure-based dynamical cores and internal energy for z-based dynamical cores), at start of physics timestep, for energy-consistency scaling and energy checker</long_name>
      <dimensions>horizontal_dimension vertical_layer_dimension</dimensions>
      <!-- Note: this quantity is read from CAM snapshot from the dycore value
           since the CAM fix in cam6_4_173 (CAM#1554) restores the mid-physics update
           value (for total energy diagnostics) to the start of physics timestep
           (d_p_coupling) value. It is used for running the energy checker for
           individual physics scheme tests. -->
      <ic_file_input_names>cp_or_cv_dycore</ic_file_input_names>
    </variable>

    <!-- Constituent Variables -->
    <!-- These are only used to set possible IC file input names, as the constituents object handles allocation. -->
    <!-- Note: the first IC file input name should correspond to the short name of the constituent used in CAM, in order to facilitate reading constituent-dimensioned input fields. -->
    <variable local_name="q"
              standard_name="water_vapor_mixing_ratio_wrt_moist_air_and_condensed_water"
              units="kg kg-1" type="real" constituent="true">
      <long_name>Water vapor mass mixing ratio with respect to moist air plus all airborne condensates</long_name>
      <dimensions>horizontal_dimension vertical_layer_dimension</dimensions>
      <ic_file_input_names>Q cnst_Q</ic_file_input_names>
    </variable>
    <variable local_name="cldliq"
              standard_name="cloud_liquid_water_mixing_ratio_wrt_moist_air_and_condensed_water"
              units="kg kg-1" type="real" constituent="true">
      <long_name>Cloud water mass mixing ratio with respect to moist air plus all airborne condensates</long_name>
      <dimensions>horizontal_dimension vertical_layer_dimension</dimensions>
      <ic_file_input_names>CLDLIQ cnst_CLDLIQ</ic_file_input_names>
    </variable>
    <variable local_name="cldice"
              standard_name="cloud_ice_mixing_ratio_wrt_moist_air_and_condensed_water"
              units="kg kg-1" type="real" constituent="true">
      <long_name>Cloud ice mass mixing ratio with respect to moist air plus all airborne condensates</long_name>
      <dimensions>horizontal_dimension vertical_layer_dimension</dimensions>
      <ic_file_input_names>CLDICE cnst_CLDICE</ic_file_input_names>
    </variable>
    <variable local_name="rainqm"
              standard_name="rain_mixing_ratio_wrt_moist_air_and_condensed_water"
              units="kg kg-1" type="real" constituent="true">
      <long_name>rain mass mixing ratio with respect to moist air plus all airborne condensates</long_name>
      <dimensions>horizontal_dimension vertical_layer_dimension</dimensions>
      <ic_file_input_names>RAINQM cnst_RAINQM</ic_file_input_names>
    </variable>
    <variable local_name="snowqm"
              standard_name="snow_mixing_ratio_wrt_moist_air_and_condensed_water"
              units="kg kg-1" type="real" constituent="true">
      <long_name>snow mass mixing ratio with respect to moist air plus all airborne condensates</long_name>
      <ic_file_input_names>SNOWQM cnst_SNOWQM</ic_file_input_names>
    </variable>
    <variable local_name="grauqm"
              standard_name="graupel_water_mixing_ratio_wrt_moist_air_and_condensed_water"
              units="kg kg-1" type="real" constituent="true">
      <long_name>graupel mass mixing ratio with respect to moist air plus all airborne condensates</long_name>
      <ic_file_input_names>GRAUQM cnst_GRAUQM</ic_file_input_names>
    </variable>
    <variable local_name="H2O"
	      standard_name="H2O"
	      units="kg kg-1" type="real" constituent="true">
      <ic_file_input_names>Q cnst_Q</ic_file_input_names>
    </variable>
    <variable local_name="CO2"
	      standard_name="CO2"
	      units="kg kg-1" type="real" constituent="true">
      <ic_file_input_names>CO2 cnst_CO2</ic_file_input_names>
    </variable>
    <variable local_name="N2O"
	      standard_name="N2O"
	      units="kg kg-1" type="real" constituent="true">
      <ic_file_input_names>N2O cnst_N2O</ic_file_input_names>
    </variable>
    <variable local_name="CH4"
	      standard_name="CH4"
	      units="kg kg-1" type="real" constituent="true">
      <ic_file_input_names>CH4 cnst_CH4</ic_file_input_names>
    </variable>
    <variable local_name="CFC12"
	      standard_name="CFC12"
	      units="kg kg-1" type="real" constituent="true">
      <ic_file_input_names>CFC12 cnst_CFC12</ic_file_input_names>
    </variable>
    <variable local_name="CFC11"
	      standard_name="CFC11"
	      units="kg kg-1" type="real" constituent="true">
      <ic_file_input_names>CFC11STAR pbuf_CFC11STAR</ic_file_input_names>
    </variable>
    <variable local_name="O2"
	      standard_name="O2"
	      units="kg kg-1" type="real" constituent="true">
      <ic_file_input_names>O2 pbuf_O2</ic_file_input_names>
    </variable>
    <variable local_name="O3"
	      standard_name="O3"
	      units="kg kg-1" type="real" constituent="true">
      <ic_file_input_names>ozone pbuf_ozone</ic_file_input_names>
    </variable>

    <!-- temporaries from pbuf for snapshot usage. -->
    <variable local_name="landm"
              standard_name="smoothed_land_area_fraction"
              units="fraction" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <!-- Note: In CAM, landm is read from the topo dataset (or if disabled, set to zero) -->
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>LANDM_COSLAT pbuf_LANDM</ic_file_input_names>
    </variable>
    <variable local_name="ast"
              standard_name="stratiform_cloud_area_fraction"
              units="fraction" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension vertical_layer_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>pbuf_AST</ic_file_input_names>
    </variable>

    <!-- cam_in Variables -->
    <variable local_name="aldif"
              standard_name="surface_albedo_due_to_near_ir_diffuse_from_coupler"
              units="fraction" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>aldif cam_in_aldif</ic_file_input_names>
    </variable>
    <variable local_name="aldir"
              standard_name="surface_albedo_due_to_near_ir_direct_from_coupler"
              units="fraction" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>aldir cam_in_aldir</ic_file_input_names>
    </variable>
    <variable local_name="asdif"
              standard_name="surface_albedo_due_to_uv_and_vis_diffuse_from_coupler"
              units="fraction" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>asdif cam_in_asdif</ic_file_input_names>
    </variable>
    <variable local_name="asdir"
              standard_name="surface_albedo_due_to_uv_and_vis_direct_from_coupler"
              units="fraction" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>asdir cam_in_asdir</ic_file_input_names>
    </variable>
    <variable local_name="cflx"
              standard_name="surface_upward_ccpp_constituent_fluxes_from_coupler"
              units="kg m-2 s-1" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension number_of_ccpp_constituents</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>cflx cam_in_cflx</ic_file_input_names>
    </variable>
    <variable local_name="fsnt"
	      standard_name="shortwave_net_outgoing_flux_at_model_top"
	      units="W m-2" type="real" kind="kind_phys"
	      allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>FSNT pbuf_FSNT</ic_file_input_names>
    </variable>
    <variable local_name="fsns"
	      standard_name="shortwave_net_upward_flux_at_surface"
	      units="W m-2" type="real" kind="kind_phys"
	      allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>FSNS pbuf_FSNS</ic_file_input_names>
    </variable>
    <variable local_name="flnt"
	      standard_name="longwave_net_outgoing_flux_at_model_top"
	      units="W m-2" type="real" kind="kind_phys"
	      allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>FLNT pbuf_FLNT</ic_file_input_names>
    </variable>
    <variable local_name="flns"
	      standard_name="longwave_net_upward_flux_at_surface"
	      units="W m-2" type="real" kind="kind_phys"
	      allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>FLNS pbuf_FLNS</ic_file_input_names>
    </variable>

    <!-- data_flux_fuel is being intentionally ignored as it will only be needed for the online carbon cycle -->
    <!-- data_flux_ocn is being intentionally ignored as it will only be needed for the online carbon cycle -->
    <!-- depvel (dry_deposition_velocity_from_coupler) is being intentionally ignored as one of the dimensions is problematic
         and it was determined that it probably will not be used in CAM-SIMA for some time -->

    <variable local_name="dstflx"
              standard_name="surface_upward_dust_fluxes_from_coupler"
              units="kg m-2 s-1" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>dstflx cam_in_dstflx</ic_file_input_names>
    </variable>

    <variable local_name="fco2_lnd"
              standard_name="co2_flux_from_land_from_coupler"
              units="kg m-2 s-1" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>fco2_lnd cam_in_fco2_lnd</ic_file_input_names>
    </variable>

    <variable local_name="fco2_ocn"
              standard_name="co2_flux_from_ocean_from_coupler"
              units="kg m-2 s-1" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>fco2_ocn cam_in_fco2_ocn</ic_file_input_names>
    </variable>

    <variable local_name="fdms"
              standard_name="dms_flux_from_coupler"
              units="kg m-2 s-1" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>fdms cam_in_fdms</ic_file_input_names>
    </variable>

    <!-- Commented out until fire dimension figured out
    <variable local_name="fireflx"
              standard_name="surface_upward_fire_compound_fluxes_from_coupler"
              units="kg m-2 s-1" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension shr_fire_emis_mechcomps_n</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>fireflx cam_in_fireflx</ic_file_input_names>
    </variable>
    END COMMENT     -->

    <variable local_name="fireztop"
              standard_name="top_height_for_vertically_distributed_fire_emissions_from_coupler"
              units="m" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>fireztop cam_in_fireztop</ic_file_input_names>
    </variable>

    <variable local_name="fv"
              standard_name="surface_friction_velocity_over_land_from_coupler"
              units="m s-1" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>0.1_kind_phys</initial_value>
      <ic_file_input_names>fv cam_in_fv</ic_file_input_names>
    </variable>

    <variable local_name="icefrac"
              standard_name="sea_ice_area_fraction_from_coupler"
              units="fraction" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>icefrac cam_in_icefrac</ic_file_input_names>
    </variable>
    <variable local_name="landfrac"
              standard_name="land_area_fraction_from_coupler"
              units="fraction" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>landfrac cam_in_landfrac</ic_file_input_names>
    </variable>
    <variable local_name="lhf"
              standard_name="surface_upward_latent_heat_flux_from_coupler"
              units="W m-2" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>lhf cam_in_lhf</ic_file_input_names>
    </variable>
    <variable local_name="lwup"
              standard_name="longwave_upward_radiative_flux_at_surface_from_coupler"
              units="W m-2" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>lwup cam_in_lwup</ic_file_input_names>
    </variable>

    <!-- Commented out until MEGAN dimension figured out
    <variable local_name="meganflx"
              standard_name="meganflx_tbd"
              units="tbd" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension shr_megan_mechmomps_n</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>meganflx cam_in_meganflx</ic_file_input_names>
    </variable>
    END COMMENT     -->

    <variable local_name="ocnfrac"
              standard_name="ocean_area_fraction_from_coupler"
              units="fraction" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>1.0_kind_phys</initial_value>
      <ic_file_input_names>ocnfrac cam_in_ocnfrac</ic_file_input_names>
    </variable>
    <variable local_name="qref"
              standard_name="water_vapor_mixing_ratio_wrt_moist_air_and_condensed_water_at_2m_from_coupler"
              units="kg kg-1" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>cam_in_qref</ic_file_input_names>
    </variable>

    <variable local_name="ram1"
              standard_name="aerodynamical_resistance_at_surface_from_coupler"
              units="s m-1" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>0.1_kind_phys</initial_value>
      <ic_file_input_names>ram1 cam_in_ram1</ic_file_input_names>
    </variable>

    <variable local_name="re"
              standard_name="re_tbd"
              units="tbd" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>re cam_in_re</ic_file_input_names>
    </variable>

    <variable local_name="shf"
              standard_name="surface_upward_sensible_heat_flux_from_coupler"
              units="W m-2" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>shf cam_in_shf</ic_file_input_names>
    </variable>
    <variable local_name="snowhice"
              standard_name="lwe_surface_snow_depth_over_ice_from_coupler"
              units="m" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>snowhice cam_in_snowhice</ic_file_input_names>
    </variable>
    <variable local_name="snowhland"
              standard_name="lwe_surface_snow_depth_over_land_from_coupler"
              units="m" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>snowhland cam_in_snowhland</ic_file_input_names>
    </variable>

    <variable local_name="soilw"
              standard_name="volumetric_equilibrium_soil_moisture_from_coupler"
              units="m3 m-3" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>soilw cam_in_soilw</ic_file_input_names>
    </variable>

    <variable local_name="ssq"
              standard_name="sea_surface_saturation_water_vapor_mixing_ratio_wrt_moist_air_and_condensed_water_from_coupler"
              units="kg kg-1" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>ssq cam_in_ssq</ic_file_input_names>
    </variable>

    <variable local_name="sst"
              standard_name="sea_surface_temperature_from_coupler"
              units="K" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <!-- FIXME: this is a temporary initialization to allow CAM4/CAM7 suites to run standalone,
           while SSTs are not being provided from another Earth system component. -->
      <initial_value>273.15_kind_phys</initial_value>
      <ic_file_input_names>sst cam_in_sst</ic_file_input_names>
    </variable>
    <variable local_name="tref"
              standard_name="air_temperature_at_2m_from_coupler"
              units="K" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>273.15_kind_phys</initial_value>
      <ic_file_input_names>cam_in_tref</ic_file_input_names>
    </variable>
    <variable local_name="ts"
              standard_name="blackbody_temperature_at_surface_from_coupler"
              units="K" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>273.15_kind_phys</initial_value>
      <ic_file_input_names>ts cam_in_ts</ic_file_input_names>
    </variable>
    <variable local_name="u10"
              standard_name="wind_speed_at_10m_from_coupler"
              units="m s-1" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>u10 cam_in_u10</ic_file_input_names>
    </variable>

    <variable local_name="u10withgusts"
              standard_name="wind_speed_plus_parameterized_wind_gusts_at_10m_from_coupler"
              units="m s-1" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>u10withgusts cam_in_u10withgusts</ic_file_input_names>
    </variable>

    <variable local_name="ugustout"
              standard_name="parameterized_wind_gust_at_10m_from_coupler"
              units="m s-1" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>ugustout cam_in_ugustout</ic_file_input_names>
    </variable>

    <variable local_name="ustar"
              standard_name="surface_friction_velocity_over_ocean_from_coupler"
              units="m s-1" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>ustar cam_in_ustar</ic_file_input_names>
    </variable>

    <variable local_name="wsx"
              standard_name="surface_eastward_wind_stress_from_coupler"
              units="N m-2" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>wsx cam_in_wsx</ic_file_input_names>
    </variable>
    <variable local_name="wsy"
              standard_name="surface_northward_wind_stress_from_coupler"
              units="N m-2" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>wsy cam_in_wsy</ic_file_input_names>
    </variable>

    <!-- cam_out Variables -->
    <variable local_name="bcphidry"
              standard_name="dry_deposition_flux_of_hydrophilic_black_carbon_at_surface_to_coupler"
              units="kg m-2 s-1" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>bcphidry cam_out_bcphidry</ic_file_input_names>
    </variable>
    <variable local_name="bcphiwet"
              standard_name="wet_deposition_flux_of_hydrophilic_black_carbon_at_surface_to_coupler"
              units="kg m-2 s-1" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>bcphiwet cam_out_bcphidwet</ic_file_input_names>
    </variable>
    <variable local_name="bcphodry"
              standard_name="dry_deposition_flux_of_hydrophobic_black_carbon_at_surface_to_coupler"
              units="kg m-2 s-1" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>bcphodry cam_out_bcphodry</ic_file_input_names>
    </variable>
    <variable local_name="co2diag"
              standard_name="co2diag_tbd"
              units="tbd" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>co2diag cam_out_co2diag</ic_file_input_names>
    </variable>
    <variable local_name="co2prog"
              standard_name="co2prog_tbd"
              units="tbd" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>co2prog cam_out_co2prog</ic_file_input_names>
    </variable>
    <variable local_name="dstdry1"
              standard_name="dry_deposition_of_dust_bin1_at_surface_to_coupler"
              units="kg m-2 s-1" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>dstdry1 cam_out_dstdry1</ic_file_input_names>
    </variable>
    <variable local_name="dstdry2"
              standard_name="dry_deposition_of_dust_bin2_at_surface_to_coupler"
              units="kg m-2 s-1" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>dstdry2 cam_out_dstdry2</ic_file_input_names>
    </variable>
    <variable local_name="dstdry3"
              standard_name="dry_deposition_of_dust_bin3_at_surface_to_coupler"
              units="kg m-2 s-1" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>dstdry3 cam_out_dstdry3</ic_file_input_names>
    </variable>
    <variable local_name="dstdry4"
              standard_name="dry_deposition_of_dust_bin4_at_surface_to_coupler"
              units="kg m-2 s-1" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>dstdry4 cam_out_dstdry4</ic_file_input_names>
    </variable>
    <variable local_name="dstwet1"
              standard_name="wet_deposition_of_dust_bin1_at_surface_to_coupler"
              units="kg m-2 s-1" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>dstwet1 cam_out_dstwet1</ic_file_input_names>
    </variable>
    <variable local_name="dstwet2"
              standard_name="wet_deposition_of_dust_bin2_at_surface_to_coupler"
              units="kg m-2 s-1" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>dstwet2 cam_out_dstwet2</ic_file_input_names>
    </variable>
    <variable local_name="dstwet3"
              standard_name="wet_deposition_of_dust_bin3_at_surface_to_coupler"
              units="kg m-2 s-1" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>dstwet3 cam_out_dstwet3</ic_file_input_names>
    </variable>
    <variable local_name="dstwet4"
              standard_name="wet_deposition_of_dust_bin4_at_surface_to_coupler"
              units="kg m-2 s-1" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>dstwet4 cam_out_dstwet4</ic_file_input_names>
    </variable>
    <variable local_name="flwds"
              standard_name="longwave_downward_radiative_flux_at_surface_to_coupler"
              units="W m-2" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>flwds cam_out_flwds</ic_file_input_names>
    </variable>
    <variable local_name="lightning_flash_freq"
              standard_name="cloud_to_ground_lightning_flash_frequency_to_coupler"
              units="min-1" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>lightning_flash_freq cam_out_lightning_flash_freq</ic_file_input_names>
    </variable>
    <variable local_name="netsw"
              standard_name="net_shortwave_flux_at_surface_to_coupler"
              units="W m-2" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>netsw cam_out_netsw</ic_file_input_names>
    </variable>
    <variable local_name="nhx_nitrogen_flx"
              standard_name="amine_deposition_flux_at_surface_to_coupler"
              units="kg m-2 s-1" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>nhx_nitrogen_flx cam_out_nhx_nitrogen_flx</ic_file_input_names>
    </variable>
    <variable local_name="noy_nitrogen_flx"
              standard_name="nitrogen_oxides_deposition_flux_at_surface_to_coupler"
              units="kg m-2 s-1" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>noy_nitrogen_flx cam_out_noy_nitrogen_flx</ic_file_input_names>
    </variable>
    <variable local_name="ocphidry"
              standard_name="dry_deposition_flux_of_hydrophilic_organic_carbon_at_surface_to_coupler"
              units="kg m-2 s-1" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>ocphidry cam_out_ocphidry</ic_file_input_names>
    </variable>
    <variable local_name="ocphiwet"
              standard_name="wet_deposition_flux_of_hydrophilic_organic_carbon_at_surface_to_coupler"
              units="kg m-2 s-1" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>ocphiwet cam_out_ocphiwet</ic_file_input_names>
    </variable>
    <variable local_name="ocphodry"
              standard_name="dry_deposition_flux_of_hydrophobic_organic_carbon_at_surface_to_coupler"
              units="kg m-2 s-1" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>ocphodry cam_out_ocphodry</ic_file_input_names>
    </variable>
    <variable local_name="ozone"
              standard_name="volume_mixing_ratio_of_ozone_wrt_dry_air_at_bottom_layer_to_coupler"
              units="mol mol-1" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>ozone cam_out_ozone</ic_file_input_names>
    </variable>
    <variable local_name="pbot"
              standard_name="air_pressure_at_bottom_layer_to_coupler"
              units="Pa" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>10e5_kind_phys</initial_value>
      <ic_file_input_names>pbot cam_out_pbot</ic_file_input_names>
    </variable>
    <variable local_name="precc"
              standard_name="lwe_convective_precipitation_rate_at_surface_to_coupler"
              units="m s-1" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>precc cam_out_precc</ic_file_input_names>
    </variable>
    <variable local_name="precl"
              standard_name="lwe_large_scale_precipitation_rate_at_surface_to_coupler"
              units="m s-1" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>precl cam_out_precl</ic_file_input_names>
    </variable>
    <variable local_name="precsc"
              standard_name="lwe_convective_snowfall_rate_at_surface_to_coupler"
              units="m s-1" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>precsc cam_out_precsc</ic_file_input_names>
    </variable>
    <variable local_name="precsl"
              standard_name="lwe_large_scale_snowfall_rate_at_surface_to_coupler"
              units="m s-1" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>precsl cam_out_precsl</ic_file_input_names>
    </variable>
    <variable local_name="psl"
              standard_name="air_pressure_at_sea_level_to_coupler"
              units="Pa" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>10e5_kind_phys</initial_value>
      <ic_file_input_names>psl cam_out_psl</ic_file_input_names>
    </variable>
    <variable local_name="qbot"
              standard_name="constituent_mixing_ratio_at_bottom_layer_to_coupler"
              units="kg kg-1" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension number_of_ccpp_constituents</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>qbot cam_out_qbot</ic_file_input_names>
    </variable>
    <variable local_name="rho"
              standard_name="dry_air_density_at_bottom_layer_to_coupler"
              units="kg m-3" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
     <!--Initial value assumes temperature of 273.15 K and pressure of 1000 hPa -->
      <initial_value>1.275_kind_phys</initial_value>
      <ic_file_input_names>rho cam_out_rho</ic_file_input_names>
    </variable>
    <variable local_name="soll"
              standard_name="direct_solar_radiative_flux_at_surface_ge_700nm_to_coupler"
              units="W m-2" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>soll cam_out_soll</ic_file_input_names>
    </variable>
    <variable local_name="solld"
              standard_name="diffuse_solar_radiative_flux_at_surface_ge_700nm_to_coupler"
              units="W m-2" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>solld cam_out_solld</ic_file_input_names>
    </variable>
    <variable local_name="sols"
              standard_name="direct_solar_radiative_flux_at_surface_lt_700nm_to_coupler"
              units="W m-2" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>sols cam_out_sols</ic_file_input_names>
    </variable>
    <variable local_name="solsd"
              standard_name="diffuse_solar_radiative_flux_at_surface_lt_700nm_to_coupler"
              units="W m-2" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>solsd cam_out_solsd</ic_file_input_names>
    </variable>
    <variable local_name="thbot"
              standard_name="potential_temperature_wrt_surface_pressure_at_bottom_layer_to_coupler"
              units="K" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>273.15_kind_phys</initial_value>
      <ic_file_input_names>thbot cam_out_thbot</ic_file_input_names>
    </variable>
    <variable local_name="tbot"
              standard_name="air_temperature_at_bottom_layer_to_coupler"
              units="K" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>273.15_kind_phys</initial_value>
      <ic_file_input_names>tbot cam_out_tbot</ic_file_input_names>
    </variable>
    <variable local_name="topo"
              standard_name="surface_topographic_height_to_coupler"
              units="m" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>topo cam_out_topo</ic_file_input_names>
    </variable>
    <variable local_name="ubot"
              standard_name="eastward_wind_at_bottom_layer_to_coupler"
              units="m s-1" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>ubot cam_out_ubot</ic_file_input_names>
    </variable>
    <variable local_name="vbot"
              standard_name="northward_wind_at_bottom_layer_to_coupler"
              units="m s-1" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>vbot cam_out_vbot</ic_file_input_names>
    </variable>
    <variable local_name="zbot"
              standard_name="geopotential_height_wrt_surface_at_bottom_layer_to_coupler"
              units="m" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>zbot cam_out_zbot</ic_file_input_names>
    </variable>

    <ddt type="cam_in_t">
       <data>surface_albedo_due_to_near_ir_diffuse_from_coupler</data>
       <data>surface_albedo_due_to_near_ir_direct_from_coupler</data>
       <data>surface_albedo_due_to_uv_and_vis_diffuse_from_coupler</data>
       <data>surface_albedo_due_to_uv_and_vis_direct_from_coupler</data>
       <data>surface_upward_ccpp_constituent_fluxes_from_coupler</data>
       <data>surface_upward_dust_fluxes_from_coupler</data>
       <data>co2_flux_from_land_from_coupler</data>
       <data>co2_flux_from_ocean_from_coupler</data>
       <data>dms_flux_from_coupler</data>
    <!-- Commented out   <data>surface_upward_fire_compound_fluxes_from_coupler</data> -->
       <data>top_height_for_vertically_distributed_fire_emissions_from_coupler</data>
       <data>surface_friction_velocity_over_land_from_coupler</data>
       <data>sea_ice_area_fraction_from_coupler</data>
       <data>land_area_fraction_from_coupler</data>
       <data>surface_upward_latent_heat_flux_from_coupler</data>
       <data>longwave_upward_radiative_flux_at_surface_from_coupler</data>
    <!--   <data>meganflx_tbd</data> -->
       <data>ocean_area_fraction_from_coupler</data>
       <data>water_vapor_mixing_ratio_wrt_moist_air_and_condensed_water_at_2m_from_coupler</data>
       <data>aerodynamical_resistance_at_surface_from_coupler</data>
       <data>re_tbd</data>
       <data>surface_upward_sensible_heat_flux_from_coupler</data>
       <data>lwe_surface_snow_depth_over_ice_from_coupler</data>
       <data>lwe_surface_snow_depth_over_land_from_coupler</data>
       <data>volumetric_equilibrium_soil_moisture_from_coupler</data>
       <data>sea_surface_saturation_water_vapor_mixing_ratio_wrt_moist_air_and_condensed_water_from_coupler</data>
       <data>sea_surface_temperature_from_coupler</data>
       <data>air_temperature_at_2m_from_coupler</data>
       <data>blackbody_temperature_at_surface_from_coupler</data>
       <data>wind_speed_at_10m_from_coupler</data>
       <data>wind_speed_plus_parameterized_wind_gusts_at_10m_from_coupler</data>
       <data>surface_friction_velocity_over_ocean_from_coupler</data>
       <data>parameterized_wind_gust_at_10m_from_coupler</data>
       <data>surface_eastward_wind_stress_from_coupler</data>
       <data>surface_northward_wind_stress_from_coupler</data>
    </ddt>

    <variable local_name="cam_in"
              standard_name="physics_fields_from_surface_coupler"
              units="None" type="cam_in_t">
      <long_name> </long_name>
    </variable>

    <ddt type="cam_out_t">
       <data>dry_deposition_flux_of_hydrophilic_black_carbon_at_surface_to_coupler</data>
       <data>wet_deposition_flux_of_hydrophilic_black_carbon_at_surface_to_coupler</data>
       <data>dry_deposition_flux_of_hydrophobic_black_carbon_at_surface_to_coupler</data>
       <data>co2diag_tbd</data>
       <data>co2prog_tbd</data>
       <data>dry_deposition_of_dust_bin1_at_surface_to_coupler</data>
       <data>dry_deposition_of_dust_bin2_at_surface_to_coupler</data>
       <data>dry_deposition_of_dust_bin3_at_surface_to_coupler</data>
       <data>dry_deposition_of_dust_bin4_at_surface_to_coupler</data>
       <data>wet_deposition_of_dust_bin1_at_surface_to_coupler</data>
       <data>wet_deposition_of_dust_bin2_at_surface_to_coupler</data>
       <data>wet_deposition_of_dust_bin3_at_surface_to_coupler</data>
       <data>wet_deposition_of_dust_bin4_at_surface_to_coupler</data>
       <data>longwave_downward_radiative_flux_at_surface_to_coupler</data>
       <data>cloud_to_ground_lightning_flash_frequency_to_coupler</data>
       <data>net_shortwave_flux_at_surface_to_coupler</data>
       <data>amine_deposition_flux_at_surface_to_coupler</data>
       <data>nitrogen_oxides_deposition_flux_at_surface_to_coupler</data>
       <data>dry_deposition_flux_of_hydrophilic_organic_carbon_at_surface_to_coupler</data>
       <data>wet_deposition_flux_of_hydrophilic_organic_carbon_at_surface_to_coupler</data>
       <data>dry_deposition_flux_of_hydrophobic_organic_carbon_at_surface_to_coupler</data>
       <data>volume_mixing_ratio_of_ozone_wrt_dry_air_at_bottom_layer_to_coupler</data>
       <data>air_pressure_at_bottom_layer_to_coupler</data>
       <data>lwe_convective_precipitation_rate_at_surface_to_coupler</data>
       <data>lwe_large_scale_precipitation_rate_at_surface_to_coupler</data>
       <data>lwe_convective_snowfall_rate_at_surface_to_coupler</data>
       <data>lwe_large_scale_snowfall_rate_at_surface_to_coupler</data>
       <data>air_pressure_at_sea_level_to_coupler</data>
       <data>constituent_mixing_ratio_at_bottom_layer_to_coupler</data>
       <data>dry_air_density_at_bottom_layer_to_coupler</data>
       <data>direct_solar_radiative_flux_at_surface_ge_700nm_to_coupler</data>
       <data>diffuse_solar_radiative_flux_at_surface_ge_700nm_to_coupler</data>
       <data>direct_solar_radiative_flux_at_surface_lt_700nm_to_coupler</data>
       <data>diffuse_solar_radiative_flux_at_surface_lt_700nm_to_coupler</data>
       <data>potential_temperature_wrt_surface_pressure_at_bottom_layer_to_coupler</data>
       <data>air_temperature_at_bottom_layer_to_coupler</data>
       <data>surface_topographic_height_to_coupler</data>
       <data>eastward_wind_at_bottom_layer_to_coupler</data>
       <data>northward_wind_at_bottom_layer_to_coupler</data>
       <data>geopotential_height_wrt_surface_at_bottom_layer_to_coupler</data>
    </ddt>

    <variable local_name="cam_out"
              standard_name="physics_fields_to_surface_coupler"
              units="None" type="cam_out_t">
      <long_name> </long_name>
    </variable>

    <!-- Temporary initializations from snapshot -->
    <!-- Note that no_deep_pbl defaults to false, but needs to be set to true for diag_TKE or UW schemes -->
    <variable local_name="pblh"
              standard_name="atmosphere_boundary_layer_thickness"
              units="m" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <!-- FIXME: this is a temporary initialization to allow CAM4/CAM7 suites to run standalone,
           while a PBL scheme is unavailable. -->
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>pblh pbuf_pblh</ic_file_input_names>
    </variable>
    <variable local_name="tpert"
              standard_name="convective_temperature_perturbation_due_to_pbl_eddies"
              units="K" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>273.15_kind_phys</initial_value>
      <ic_file_input_names>tpert pbuf_tpert</ic_file_input_names>
    </variable>

    <!-- Temporary initializations for gravity wave parameterizations -->
    <variable local_name="ttend_clubb"
              standard_name="tendency_of_air_temperature_due_to_clubb"
              units="K s-1" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension vertical_layer_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>pbuf_TTEND_CLUBB</ic_file_input_names>
    </variable>
    <variable local_name="upwp_clubb_gw"
              standard_name="upwp_clubb_gw_tbd"
              units="m2 s-2" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension vertical_interface_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>pbuf_UPWP_CLUBB_GW</ic_file_input_names>
    </variable>
    <variable local_name="vpwp_clubb_gw"
              standard_name="vpwp_clubb_gw_tbd"
              units="m2 s-2" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension vertical_interface_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>pbuf_VPWP_CLUBB_GW</ic_file_input_names>
    </variable>

    <!-- Gravity wave variables - need to be kept in the CAM registry -->
    <variable local_name="kvt"
              standard_name="molecular_kinematic_temperature_conductivity_at_interfaces"
              units="m2 s-1" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension vertical_interface_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>pbuf_kvt</ic_file_input_names>
    </variable>
    <variable local_name="sgh"
              standard_name="standard_deviation_of_subgrid_orography_for_orographic_gravity_wave_drag"
              units="m" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>pbuf_SGH</ic_file_input_names>
    </variable>

    <!-- Cloud fraction variables - need to be kept in the CAM registry -->
    <variable local_name="top_lev_cloudphys"
              standard_name="vertical_layer_index_of_cloud_fraction_top"
              units="index" type="integer">
      <long_name>vertical layer index for top of cloud area fraction schemes</long_name>
      <initial_value>1</initial_value>
    </variable>

    <!-- Shallow convection variables - need to be kept in the CAM registry -->
    <variable local_name="convect_shallow_use_shfrc"
              standard_name="flag_for_cloud_area_fraction_to_use_shallow_convection_calculated_cloud_area_fraction"
              units="flag" type="logical">
      <long_name>should cloud fraction use shallow convection calculated convective cloud area fraction</long_name>
      <!-- only true for UW shallow scheme. set by scheme init. -->
      <initial_value>.false.</initial_value>
    </variable>
    <variable local_name="shfrc"
              standard_name="shallow_convective_cloud_area_fraction_from_shallow_convection"
              units="fraction" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension vertical_layer_dimension</dimensions>
      <!-- only used if use_shfrc is .true. -->
      <initial_value>0.0_kind_phys</initial_value>
    </variable>

    <!-- rk_stratiform microphysics/macrophysics variables - need to be kept in the CAM registry -->
    <variable local_name="qcwat"
              standard_name="water_vapor_mixing_ratio_wrt_moist_air_and_condensed_water_on_previous_timestep"
              units="kg kg-1" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension vertical_layer_dimension</dimensions>
      <!-- set to negative if not read from the snapshot. -->
      <initial_value>-1.0_kind_phys</initial_value>
      <ic_file_input_names>pbuf_QCWAT</ic_file_input_names>
    </variable>
    <variable local_name="tcwat"
              standard_name="air_temperature_on_previous_timestep"
              units="K" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension vertical_layer_dimension</dimensions>
      <!-- set to negative if not read from the snapshot. -->
      <initial_value>-1.0_kind_phys</initial_value>
      <ic_file_input_names>pbuf_TCWAT</ic_file_input_names>
    </variable>
    <variable local_name="lcwat"
              standard_name="cloud_water_mixing_ratio_wrt_moist_air_and_condensed_water_on_previous_timestep"
              units="kg kg-1" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension vertical_layer_dimension</dimensions>
      <!-- set to negative if not read from the snapshot. -->
      <initial_value>-1.0_kind_phys</initial_value>
      <ic_file_input_names>pbuf_LCWAT</ic_file_input_names>
    </variable>

    <!-- vertical diffusion solver variables - need to be kept in the CAM registry -->
    <variable local_name="tauresx"
              standard_name="eastward_reserved_stress_at_surface_on_previous_timestep"
              units="N m-2" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>pbuf_tauresx</ic_file_input_names>
    </variable>
    <variable local_name="tauresy"
              standard_name="northward_reserved_stress_at_surface_on_previous_timestep"
              units="N m-2" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>pbuf_tauresy</ic_file_input_names>
    </variable>
    <variable local_name="dragblj"
              standard_name="turbulent_orographic_form_drag_coefficent"
              units="s-1" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension vertical_layer_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>pbuf_dragblj</ic_file_input_names>
    </variable>
    <!-- REMOVECAM: the final standard name for these quantities below are
         {east,north}ward_turbulent_orographic_form_drag_stress_at_surface.
         however, it is shared with tautmsx; in order to distinguish between these two in CAM snapshots,
         an alternate standard name is currently used. When CAM snapshots are retired, only either
         Beljaars or TMS (which are mutually exclusive) provide the {east,north}ward_orographic_form_drag_stress_at_surface. -->
    <variable local_name="taubljx"
              standard_name="eastward_beljaars_surface_stress_tbd"
              units="N m-2" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>pbuf_taubljx</ic_file_input_names>
    </variable>
    <variable local_name="taubljy"
              standard_name="northward_beljaars_surface_stress_tbd"
              units="N m-2" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>pbuf_taubljy</ic_file_input_names>
    </variable>
    <variable local_name="apply_non_wv_cflx_in_free_atm_vdiff"
              standard_name="do_apply_ccpp_constituent_fluxes_excluding_water_vapor_in_vertical_diffusion"
              units="flag" type="logical">
      <long_name>should free atmosphere HB vertical diffusion apply non-water-vapor upward fluxes from coupler?</long_name>
      <!-- should be false for CAM7 and true for CAM6; ignored elsewhere -->
      <initial_value>.false.</initial_value>
    </variable>
    <variable local_name="clubbtop"
              standard_name="vertical_layer_index_of_clubb_top_tbd"
              units="index" type="real" kind="kind_phys"
              allocatable="allocatable">
      <!-- REMOVECAM: once CAM snapshots are no longer used, change to integer. -->
      <long_name>vertical layer index for top of CLUBB for running HB above</long_name>
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>1.0_kind_phys</initial_value>
      <ic_file_input_names>pbuf_clubbtop</ic_file_input_names>
    </variable>

    <!-- Test for tracer_data / aerosols / BAM -->
    <variable local_name="sulf"
              standard_name="sulf"
              units="kg kg-1" type="real" constituent="true">
      <dimensions>horizontal_dimension vertical_layer_dimension</dimensions>
      <ic_file_input_names>sulf pbuf_sulf cnst_sulf </ic_file_input_names>
    </variable>
    <variable local_name="bcar1"
              standard_name="bcar1"
              units="kg kg-1" type="real" constituent="true">
      <dimensions>horizontal_dimension vertical_layer_dimension</dimensions>
      <ic_file_input_names>bcar1 pbuf_bcar1 cnst_bcar1</ic_file_input_names>
    </variable>
    <variable local_name="bcar2"
              standard_name="bcar2"
              units="kg kg-1" type="real" constituent="true">
      <dimensions>horizontal_dimension vertical_layer_dimension</dimensions>
      <ic_file_input_names>bcar2 pbuf_bcar2 cnst_bcar2</ic_file_input_names>
    </variable>
    <variable local_name="ocar1"
              standard_name="ocar1"
              units="kg kg-1" type="real" constituent="true">
      <dimensions>horizontal_dimension vertical_layer_dimension</dimensions>
      <ic_file_input_names>ocar1 pbuf_ocar1 cnst_ocar1</ic_file_input_names>
    </variable>
    <variable local_name="ocar2"
              standard_name="ocar2"
              units="kg kg-1" type="real" constituent="true">
      <dimensions>horizontal_dimension vertical_layer_dimension</dimensions>
      <ic_file_input_names>ocar2 pbuf_ocar2 cnst_ocar2</ic_file_input_names>
    </variable>
    <variable local_name="sslt1"
              standard_name="sslt1"
              units="kg kg-1" type="real" constituent="true">
      <dimensions>horizontal_dimension vertical_layer_dimension</dimensions>
      <ic_file_input_names>sslt1 pbuf_sslt1 cnst_sslt1</ic_file_input_names>
    </variable>
    <variable local_name="sslt2"
              standard_name="sslt2"
              units="kg kg-1" type="real" constituent="true">
      <dimensions>horizontal_dimension vertical_layer_dimension</dimensions>
      <ic_file_input_names>sslt2 pbuf_sslt2 cnst_sslt2</ic_file_input_names>
    </variable>
    <variable local_name="sslt3"
              standard_name="sslt3"
              units="kg kg-1" type="real" constituent="true">
      <dimensions>horizontal_dimension vertical_layer_dimension</dimensions>
      <ic_file_input_names>sslt3 pbuf_sslt3 cnst_sslt3</ic_file_input_names>
    </variable>
    <variable local_name="sslt4"
              standard_name="sslt4"
              units="kg kg-1" type="real" constituent="true">
      <dimensions>horizontal_dimension vertical_layer_dimension</dimensions>
      <ic_file_input_names>sslt4 pbuf_sslt4 cnst_sslt4</ic_file_input_names>
    </variable>
    <variable local_name="dust1"
              standard_name="dust1"
              units="kg kg-1" type="real" constituent="true">
      <dimensions>horizontal_dimension vertical_layer_dimension</dimensions>
      <ic_file_input_names>dust1 pbuf_dust1 cnst_dust1</ic_file_input_names>
    </variable>
    <variable local_name="dust2"
              standard_name="dust2"
              units="kg kg-1" type="real" constituent="true">
      <dimensions>horizontal_dimension vertical_layer_dimension</dimensions>
      <ic_file_input_names>dust2 pbuf_dust2 cnst_dust2</ic_file_input_names>
    </variable>
    <variable local_name="dust3"
              standard_name="dust3"
              units="kg kg-1" type="real" constituent="true">
      <dimensions>horizontal_dimension vertical_layer_dimension</dimensions>
      <ic_file_input_names>dust3 pbuf_dust3 cnst_dust3</ic_file_input_names>
    </variable>
    <variable local_name="dust4"
              standard_name="dust4"
              units="kg kg-1" type="real" constituent="true">
      <dimensions>horizontal_dimension vertical_layer_dimension</dimensions>
      <ic_file_input_names>dust4 pbuf_dust4 cnst_dust4</ic_file_input_names>
    </variable>

    <!-- Zhang McFarlane (ZM) Variables -->
    <variable local_name="ql"
              standard_name="in_cloud_water_vapor_mixing_ratio_wrt_moist_air_and_condensed_water_due_to_deep_convection"
              units="kg kg-1" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension vertical_layer_dimension</dimensions>
      <ic_file_input_names>ICWMRDP pbuf_ICWMRDP</ic_file_input_names>
    </variable>
    <variable local_name="cldfrc"
              standard_name="cloud_area_fraction"
              units="fraction" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension vertical_layer_dimension</dimensions>
      <initial_value>0.7_kind_phys</initial_value>
      <ic_file_input_names>CLD pbuf_CLD</ic_file_input_names>
    </variable>
    <variable local_name="domomtran"
              standard_name="flag_for_momentum_transport_by_zhang_mcfarlane_deep_convection_scheme"
              units="flag" type="logical"
              allocatable="parameter">
      <initial_value>.true.</initial_value>
    </variable>
    <variable local_name="il1g"
              standard_name="index_of_first_column_of_gathered_deep_convection_arrays"
              units="index" type="integer"
              allocatable="parameter">
      <initial_value>1</initial_value>
    </variable>
    <variable local_name="dpdry"
              standard_name="air_pressure_thickness_of_dry_air_for_deep_convection_for_gathered_convective_columns"
              units="hPa" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension vertical_layer_dimension</dimensions>
    </variable>
    <variable local_name="fracis"
              standard_name="fraction_of_water_insoluble_convectively_transported_species"
              units="fraction" type="real" kind="kind_phys"
              allocatable="allocatable"
              access="protected" >
      <dimensions>horizontal_dimension vertical_layer_dimension number_of_ccpp_constituents</dimensions>
      <initial_value>1._kind_phys</initial_value>
    </variable>
    <variable local_name="ttend_dp"
              standard_name="tendency_of_air_temperature_due_to_deep_convection"
              units="K s-1" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension vertical_layer_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
      <ic_file_input_names>pbuf_TTEND_DP</ic_file_input_names>
    </variable>

    <!-- dme_adjust Variables -->
    <variable local_name="qini"
              standard_name="water_vapor_mixing_ratio_wrt_moist_air_and_condensed_water_before_physics"
              units="kg kg-1" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension vertical_layer_dimension</dimensions>
      <ic_file_input_names>QINI pbuf_QINI</ic_file_input_names>
    </variable>
    <variable local_name="liqini"
              standard_name="total_liquid_water_mixing_ratio_wrt_moist_air_and_condensed_water_before_physics"
              units="kg kg-1" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension vertical_layer_dimension</dimensions>
      <ic_file_input_names>TOTLIQINI pbuf_TOTLIQINI</ic_file_input_names>
    </variable>
    <variable local_name="iceini"
              standard_name="total_ice_water_mixing_ratio_wrt_moist_air_and_condensed_water_before_physics"
              units="kg kg-1" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension vertical_layer_dimension</dimensions>
      <ic_file_input_names>TOTICEINI pbuf_TOTICEINI</ic_file_input_names>
    </variable>
    <variable local_name="is_moist_dycore"
              standard_name="is_moist_basis_dycore"
              units="flag" type="logical"
              allocatable="parameter">
      <initial_value>.true.</initial_value>
      <initial_value dyn="SE,MPAS"> .false. </initial_value>
    </variable>

    <!-- Radiation variables -->
    <variable local_name="dt_avg"
              standard_name="averaging_time_interval_for_solar_zenith_angle_calculation"
              units="s" type="real" kind="kind_phys">
      <initial_value>0._kind_phys</initial_value>
    </variable>
    <variable local_name="coszrs_rad"
	      standard_name="cosine_of_solar_zenith_angle_for_radiation"
              units="1" type="real" kind="kind_phys"
	      allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <ic_file_input_names>COSZRS pbuf_COSZRS</ic_file_input_names>
    </variable>
    <variable local_name="cldfsnow"
              standard_name="liquid_plus_snow_stratiform_cloud_area_fraction"
              units="fraction" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension vertical_layer_dimension</dimensions>
      <initial_value>unset_real</initial_value>
      <ic_file_input_names>CLDFSNOW pbuf_CLDFSNOW</ic_file_input_names>
    </variable>
    <variable local_name="cldfgrau"
              standard_name="liquid_plus_graupel_stratiform_cloud_area_fraction"
              units="fraction" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension vertical_layer_dimension</dimensions>
      <initial_value>unset_real</initial_value>
      <ic_file_input_names>CLDFGRAU pbuf_CLDFGRAU</ic_file_input_names>
    </variable>
    <variable local_name="icgrauwp"
              standard_name="stratiform_in_cloud_graupel_water_path"
              units="kg m-2" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension vertical_layer_dimension</dimensions>
      <initial_value>unset_real</initial_value>
      <ic_file_input_names>ICGRAUWP pbuf_ICGRAUWP</ic_file_input_names>
    </variable>
    <variable local_name="degrau"
              standard_name="effective_diameter_of_stratiform_cloud_graupel_particle_for_radiation"
              units="m" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension vertical_layer_dimension</dimensions>
      <initial_value>unset_real</initial_value>
      <ic_file_input_names>DEGRAU pbuf_DEGRAU</ic_file_input_names>
    </variable>
    <variable local_name="lamc"
              standard_name="slope_of_droplet_distribution_for_optics"
              units="1" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension vertical_layer_dimension</dimensions>
      <initial_value>0._kind_phys</initial_value>
      <ic_file_input_names>LAMBDAC pbuf_LAMBDAC</ic_file_input_names>
    </variable>
    <variable local_name="pgam"
              standard_name="size_distribution_shape_parameter_for_microphysics"
              units="1" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension vertical_layer_dimension</dimensions>
      <initial_value>0._kind_phys</initial_value>
      <ic_file_input_names>MU pbuf_MU</ic_file_input_names>
    </variable>
    <variable local_name="iclwpth"
              standard_name="in_cloud_liquid_water_path_for_radiation"
              units="kg m-2" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension vertical_layer_dimension</dimensions>
      <initial_value>0._kind_phys</initial_value>
      <ic_file_input_names>ICLWP pbuf_ICLWP</ic_file_input_names>
    </variable>
    <variable local_name="iciwpth"
              standard_name="in_cloud_ice_water_path"
              units="kg m-2" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension vertical_layer_dimension</dimensions>
      <initial_value>0._kind_phys</initial_value>
      <ic_file_input_names>ICIWP pbuf_ICIWP</ic_file_input_names>
    </variable>
    <variable local_name="icswpth"
              standard_name="in_cloud_snow_water_path"
              units="kg m-2" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension vertical_layer_dimension</dimensions>
      <initial_value>0._kind_phys</initial_value>
      <ic_file_input_names>ICSWP pbuf_ICSWP</ic_file_input_names>
    </variable>
    <variable local_name="dei"
              standard_name="effective_diameter_of_stratiform_cloud_ice_particle_for_radiation"
              units="um" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension vertical_layer_dimension</dimensions>
      <initial_value>0._kind_phys</initial_value>
      <ic_file_input_names>DEI pbuf_DEI</ic_file_input_names>
    </variable>
    <variable local_name="des"
              standard_name="effective_diameter_of_stratiform_snow_particle_for_radiation"
              units="um" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension vertical_layer_dimension</dimensions>
      <initial_value>0._kind_phys</initial_value>
      <ic_file_input_names>DES pbuf_DES</ic_file_input_names>
    </variable>
    <variable local_name="qrs"
              standard_name="tendency_of_dry_air_enthalpy_at_constant_pressure_due_to_shortwave_radiation_adjusted_by_air_pressure_thickness"
              units="J Pa kg-1 s-1" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension vertical_layer_dimension</dimensions>
      <initial_value>0._kind_phys</initial_value>
      <ic_file_input_names>QRS pbuf_QRS</ic_file_input_names>
    </variable>
    <variable local_name="qrl"
              standard_name="tendency_of_dry_air_enthalpy_at_constant_pressure_due_to_longwave_radiation_adjusted_by_air_pressure_thickness"
              units="J Pa kg-1 s-1" type="real" kind="kind_phys"
              allocatable="allocatable">
      <dimensions>horizontal_dimension vertical_layer_dimension</dimensions>
      <initial_value>0._kind_phys</initial_value>
      <ic_file_input_names>QRL pbuf_QRL</ic_file_input_names>
    </variable>
    <variable local_name="two"
              standard_name="constant_dimension_two"
              units="count" type="integer"
	      allocatable="parameter">
      <initial_value>2</initial_value>
    </variable>
    <variable local_name="snow_exists"
	      standard_name="include_liquid_plus_snow_stratiform_cloud_area_fraction"
	    units="flag" type="logical">
      <initial_value>.true.</initial_value>
    </variable>
    <variable local_name="grau_exists"
	      standard_name="include_liquid_plus_graupel_stratiform_cloud_area_fraction"
	    units="flag" type="logical">
      <initial_value>.false.</initial_value>
    </variable>

    <!-- CAM with MPAS-like "convection-permitting" physics suite (EXPERIMENTAL) -->
    <!-- Variables for "bl_gwdo" physics scheme -->
    <!-- TODO: `var` may be related or even equivalent to `sgh`. Should come back to investigate when
         this suite is fully implemented. -->
    <variable local_name="var"
              standard_name="standard_deviation_of_subgrid_orography"
              units="m" type="real" kind="kind_phys"
              access="public" allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
    </variable>
    <variable local_name="oc1"
              standard_name="convexity_of_subgrid_orography"
              units="1" type="real" kind="kind_phys"
              access="public" allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
    </variable>
    <variable local_name="oa2d1"
              standard_name="eastward_asymmetry_of_subgrid_orography"
              units="1" type="real" kind="kind_phys"
              access="public" allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
    </variable>
    <variable local_name="oa2d2"
              standard_name="northward_asymmetry_of_subgrid_orography"
              units="1" type="real" kind="kind_phys"
              access="public" allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
    </variable>
    <variable local_name="oa2d3"
              standard_name="northeastward_asymmetry_of_subgrid_orography"
              units="1" type="real" kind="kind_phys"
              access="public" allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
    </variable>
    <variable local_name="oa2d4"
              standard_name="southeastward_asymmetry_of_subgrid_orography"
              units="1" type="real" kind="kind_phys"
              access="public" allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
    </variable>
    <variable local_name="ol2d1"
              standard_name="eastward_dimensionless_effective_length_of_subgrid_orography"
              units="1" type="real" kind="kind_phys"
              access="public" allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
    </variable>
    <variable local_name="ol2d2"
              standard_name="northward_dimensionless_effective_length_of_subgrid_orography"
              units="1" type="real" kind="kind_phys"
              access="public" allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
    </variable>
    <variable local_name="ol2d3"
              standard_name="northeastward_dimensionless_effective_length_of_subgrid_orography"
              units="1" type="real" kind="kind_phys"
              access="public" allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
    </variable>
    <variable local_name="ol2d4"
              standard_name="southeastward_dimensionless_effective_length_of_subgrid_orography"
              units="1" type="real" kind="kind_phys"
              access="public" allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
    </variable>
    <!-- Variables for "sf_mynn" physics scheme -->
    <variable local_name="mavail"
              standard_name="surface_moisture_availability"
              units="1" type="real" kind="kind_phys"
              access="public" allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>0.0_kind_phys</initial_value>
    </variable>
    <variable local_name="tsk"
              standard_name="skin_temperature_at_surface"
              units="K" type="real" kind="kind_phys"
              access="public" allocatable="allocatable">
      <dimensions>horizontal_dimension</dimensions>
      <initial_value>273.15_kind_phys</initial_value>
    </variable>
  </file>
</registry>