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 · 7f58c47 · 7f58c47
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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.1deg/2023.07.28/ocean_vgrid.nc
     - /g/data/vk83/experiments/inputs/access-om3/mom/initial_conditions/global.1deg/2020.10.22/ocean_temp_salt.res.nc
     - /g/data/vk83/experiments/inputs/access-om3/mom/surface_salt_restoring/global.1deg/2020.05.30/salt_sfc_restore.nc
-    - /g/data/vk83/experiments/inputs/access-om3/cice/grids/global.1deg/2020.05.30/grid.nc
-    - /g/data/vk83/experiments/inputs/access-om3/cice/grids/global.1deg/2020.10.22/kmt.nc
+    - /g/data/vk83/experiments/inputs/access-om3/cice/grids/global.1deg/2024.05.14/grid.nc
+    - /g/data/vk83/experiments/inputs/access-om3/cice/grids/global.1deg/2024.05.14/kmt.nc
     - /g/data/vk83/experiments/inputs/access-om3/cice/initial_conditions/global.1deg/2023.07.28/iced.1900-01-01-10800.nc
     - /g/data/vk83/experiments/inputs/JRA-55/RYF/v1-4/data
 

diff --git a/manifests/input.yaml b/manifests/input.yaml
@@ -77,20 +77,20 @@ work/input/access-om2-1deg-nomask-ESMFmesh.nc:
     binhash: 07cb65372f403b87b3002134ea2c31eb
     md5: 9b7120a42b5cb587492e7c31791eb549
 work/input/grid.nc:
-  fullpath: /g/data/vk83/experiments/inputs/access-om3/cice/grids/global.1deg/2020.05.30/grid.nc
+  fullpath: /g/data/vk83/experiments/inputs/access-om3/cice/grids/global.1deg/2024.05.14/grid.nc
   hashes:
-    binhash: c7cb377ba3a6b159b625b5fa3b6ea377
-    md5: 1213e346055ee073fe33dc12578d99c6
+    binhash: 60ac2869d4521fd6441a90b519d9bce0
+    md5: 544a40b634c182f3e182da6bcbe8be7b
 work/input/iced.1900-01-01-10800.nc:
   fullpath: /g/data/vk83/experiments/inputs/access-om3/cice/initial_conditions/global.1deg/2023.07.28/iced.1900-01-01-10800.nc
   hashes:
     binhash: a88d7f33c7eef8f6870773f7cc47fc28
     md5: 87c012d60c58c65bb56caa98779e5e51
 work/input/kmt.nc:
-  fullpath: /g/data/vk83/experiments/inputs/access-om3/cice/grids/global.1deg/2020.10.22/kmt.nc
+  fullpath: /g/data/vk83/experiments/inputs/access-om3/cice/grids/global.1deg/2024.05.14/kmt.nc
   hashes:
-    binhash: 0c0a298f90d40f05cf1893efbc2b8083
-    md5: 1f9806c646a620378e5257e480bc9df7
+    binhash: 6fd7a86039ea089fffc371390c14d77a
+    md5: 4dae75252ac93467f10ea26e833e13d2
 work/input/ocean_hgrid.nc:
   fullpath: /g/data/vk83/experiments/inputs/access-om3/mom/grids/mosaic/global.1deg/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
 ::