Remove the ens B from the marine hybrid B

model/marine/marine_background_error_hybrid_diffusion_diffusion.yaml.j2

@@ -57,48 +57,50 @@ components:
   weight:
     value: 1.00
 
+{% if marine_ensemble_b | default(false) %}
 - covariance:
-    covariance model: SABER
-    ensemble:
-      members from template:
-        template:
-          read_from_file: 1
-          date: '{{marine_stddev_time}}'
-          basename: ../ensdata/
-          ocn_filename: ocn.pert.%mem%.nc
-          ice_filename: ice.pert.%mem%.nc
-          state variables:
-          - sea_water_potential_temperature
-          - sea_water_salinity
-          #- eastward_sea_water_velocity
-          #- northward_sea_water_velocity
-          - sea_surface_height_above_geoid
-          - sea_ice_area_fraction
-          - sea_ice_thickness
-          - sea_ice_snow_thickness
-        pattern: '%mem%'
-        nmembers: '{{marine_number_ensemble_members}}'
+  covariance model: SABER
+  ensemble:
+    members from template:
+    template:
+      read_from_file: 1
+      date: '{{marine_stddev_time}}'
+      basename: ../ensdata/
+      ocn_filename: ocn.pert.%mem%.nc
+      ice_filename: ice.pert.%mem%.nc
+      state variables:
+      - sea_water_potential_temperature
+      - sea_water_salinity
+      #- eastward_sea_water_velocity
+      #- northward_sea_water_velocity
+      - sea_surface_height_above_geoid
+      - sea_ice_area_fraction
+      - sea_ice_thickness
+      - sea_ice_snow_thickness
+    pattern: '%mem%'
+    nmembers: '{{marine_number_ensemble_members}}'
+  saber central block:
+    saber block name: Ensemble
+    localization:
     saber central block:
-      saber block name: Ensemble
-      localization:
-        saber central block:
-          saber block name: diffusion
-          read:
-            groups:
-            - variables:
-              - sea_water_potential_temperature
-              - sea_water_salinity
-              - sea_surface_height_above_geoid
-              - sea_ice_area_fraction
-              multivariate strategy: duplicated
-              horizontal:
-                filepath: ./staticb/hz_ocean
-              vertical:
-                strategy: duplicated
+      saber block name: diffusion
+      read:
+      groups:
+      - variables:
+        - sea_water_potential_temperature
+        - sea_water_salinity
+        - sea_surface_height_above_geoid
+        - sea_ice_area_fraction
+        multivariate strategy: duplicated
+        horizontal:
+        filepath: ./staticb/hz_ocean
+        vertical:
+        strategy: duplicated
 
   weight:
-    read_from_file: 3
-    basename: ./
-    ocn_filename: 'ocean.ens_weights.nc'
-    ice_filename: 'ice.ens_weights.nc'
-    date: '{{marine_stddev_time}}'
+  read_from_file: 3
+  basename: ./
+  ocn_filename: 'ocean.ens_weights.nc'
+  ice_filename: 'ice.ens_weights.nc'
+  date: '{{marine_stddev_time}}'
+{% endif %}