Updated CICE grid per COSIMA/esmgrids#6

This allows much stricter checking of angles in the ESMF files compared to the model grid files (per COSIMA/access-om3#144)
ACCESS-NRI · May 17, 2024 · d16f0d7 · d16f0d7
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Showing 4 changed files with 15 additions and 8 deletions.
diff --git a/MOM_input b/MOM_input
@@ -141,6 +141,12 @@ DTFREEZE_DP = -7.75E-08         !   [deg C Pa-1] default = 0.0
                                 ! When TFREEZE_FORM=LINEAR, this is the derivative of the freezing potential
                                 ! temperature with pressure.
 
+EPS_OMESH = 1e-13
+                                ! "default = 0.0001
+                                ! An float which sets the allowable error (in degrees) between
+                                ! grid angle defined in the ESMF mesh file used by CMEPS
+                                ! and the ocean_hgrid file used by mom
+
 ! === module MOM_tracer_flow_control ===
 USE_IDEAL_AGE_TRACER = True     !   [Boolean] default = False
                                 ! If true, use the ideal_age_example tracer package.

diff --git a/config.yaml b/config.yaml
@@ -28,8 +28,8 @@ input:
     - /g/data/vk83/experiments/inputs/access-om3/mom/grids/vertical/global.025deg/2024.04.04/ocean_vgrid.nc
     - /g/data/vk83/experiments/inputs/access-om3/mom/initial_conditions/global.025deg/2020.10.22/ocean_temp_salt.res.nc
     - /g/data/vk83/experiments/inputs/access-om3/mom/surface_salt_restoring/global.025deg/2020.05.30/salt_sfc_restore.nc
-    - /g/data/vk83/experiments/inputs/access-om3/cice/grids/global.025deg/2024.03.28/grid.nc
-    - /g/data/vk83/experiments/inputs/access-om3/cice/grids/global.025deg/2024.03.28/kmt.nc
+    - /g/data/vk83/experiments/inputs/access-om3/cice/grids/global.025deg/2024.05.14/grid.nc
+    - /g/data/vk83/experiments/inputs/access-om3/cice/grids/global.025deg/2024.05.14/kmt.nc
     - /g/data/vk83/experiments/inputs/JRA-55/RYF/v1-4/data
 
 collate: false

diff --git a/manifests/input.yaml b/manifests/input.yaml
@@ -77,15 +77,15 @@ work/input/access-om2-025deg-nomask-ESMFmesh.nc:
     binhash: 29f147c299de419f5a32d129491a8ea2
     md5: db5407804d759435c6846d2d2c661a6e
 work/input/grid.nc:
-  fullpath: /g/data/vk83/experiments/inputs/access-om3/cice/grids/global.025deg/2024.03.28/grid.nc
+  fullpath: /g/data/vk83/experiments/inputs/access-om3/cice/grids/global.025deg/2024.05.14/grid.nc
   hashes:
-    binhash: 7cace0a81c147d2a5d64efd879ff8b43
-    md5: 6946bd45cb5cbf932f869b39eb68bee2
+    binhash: 352d9abb56c3c8fefcd3748bb69fafdc
+    md5: c859e1e759f33ab39527c7b30a7dbd88
 work/input/kmt.nc:
-  fullpath: /g/data/vk83/experiments/inputs/access-om3/cice/grids/global.025deg/2024.03.28/kmt.nc
+  fullpath: /g/data/vk83/experiments/inputs/access-om3/cice/grids/global.025deg/2024.05.14/kmt.nc
   hashes:
-    binhash: 42459f59c39836197df11a44ce49c8db
-    md5: d87ca7229f1a579af6f3b308af16e3d1
+    binhash: 2e46b34c831a515bd2589fd1c2d21276
+    md5: 3b9b6269b24a33de75cef4e36fc35376
 work/input/ocean_hgrid.nc:
   fullpath: /g/data/vk83/experiments/inputs/access-om3/mom/grids/mosaic/global.025deg/2020.05.30/ocean_hgrid.nc
   hashes:

diff --git a/nuopc.runconfig b/nuopc.runconfig
@@ -311,6 +311,7 @@ ATM_attributes::
 ::
 
 ICE_attributes::
+     eps_imesh = 1e-13 # allowed error between angles in mesh file and cice grid
      Verbosity = off
 ::