Add sort_time_dimension method and apply it in atmosphere and ocean CMORisers (#26)

Author: rbeucher

src/access_mopper/atmosphere.py

@@ -36,6 +36,7 @@ def select_and_process_variables(self):
 
         required_vars = set(input_vars + bnds_required)
         self.load_dataset(required_vars=required_vars)
+        self.sort_time_dimension()
 
         # Handle the calculation type
         if calc["type"] == "direct":

src/access_mopper/base.py

@@ -64,6 +64,10 @@ def _preprocess(ds):
             parallel=True,  # <--- enables concurrent preprocessing
         )
 
+    def sort_time_dimension(self):
+        if "time" in self.ds.dims:
+            self.ds = self.ds.sortby("time")
+
     def select_and_process_variables(self):
         raise NotImplementedError(
             "Subclasses must implement select_and_process_variables."

src/access_mopper/ocean.py

@@ -56,6 +56,7 @@ def select_and_process_variables(self):
 
         required_vars = set(input_vars)
         self.load_dataset(required_vars=required_vars)
+        self.sort_time_dimension()
 
         if calc["type"] == "direct":
             self.ds[self.cmor_name] = self.ds[input_vars[0]]