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New Mesh: RRSwISC6to18E3r5 #801

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merged 3 commits into from
Jun 12, 2024
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New Mesh: RRSwISC6to18E3r5 #801

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8769b88
Update to RRSwISC6to18E3r5
xylar Aug 15, 2023
02214f0
Reduce timestep for simulation
xylar Aug 28, 2023
c6e85f6
Require min. water-column thickness of 20 m
xylar Mar 26, 2024
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4 changes: 2 additions & 2 deletions compass/ocean/tests/global_ocean/mesh/rrs6to18/dynamic_adjustment.yaml
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Expand Up @@ -63,6 +63,6 @@ dynamic_adjustment:
run_duration: 18_00:00:00
output_interval: 10_00:00:00
restart_interval: 06_00:00:00
dt: 00:06:00
btr_dt: 00:00:12
dt: 00:05:00
btr_dt: 00:00:10
Rayleigh_damping_coeff: None
4 changes: 3 additions & 1 deletion compass/ocean/tests/global_ocean/mesh/rrs6to18/namelist.init
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Expand Up @@ -4,4 +4,6 @@ config_rx1_vert_smooth_weight = 10.0
config_rx1_slope_weight = 1e-1
config_rx1_zstar_weight = 10.0
config_rx1_horiz_smooth_open_ocean_cells = 40
config_rx1_min_layer_thickness = 0.1
config_rx1_min_levels = 8
config_rx1_min_layer_thickness = 2.5
config_global_ocean_minimum_depth = 20.0
Comment on lines +7 to +9
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The combination of the first 2 should mean a minimum water-column thickness of 20 m in cavities and adjacent to them in the smoothing region.

The last one applies to the z-star region away from cavities and, in practice, means a minimum of 8 vertical layers.

13 changes: 7 additions & 6 deletions compass/ocean/tests/global_ocean/mesh/rrs6to18/rrs6to18.cfg
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Expand Up @@ -45,21 +45,22 @@ approx_cell_count = 4000000
# the prefix (e.g. QU, EC, WC, SO)
prefix = RRS
# a description of the mesh and initial condition
mesh_description = MPAS Eddy Closure mesh for E3SM version ${e3sm_version} with
enhanced resolution around the equator (30 km), South pole
(35 km), Greenland (${min_res} km), ${max_res}-km resolution
at mid latitudes, and ${levels} vertical levels
mesh_description = MPAS Rossby-radius scaled (RRS) mesh for E3SM version
${e3sm_version} with ${min_res}-km resolution at the poles,
${max_res}-km resolution at the equator, and <<<levels>>>
vertical levels. This mesh includes cavities under the ice
shelves around Antarctica.
# E3SM version that the mesh is intended for
e3sm_version = 3
# The revision number of the mesh, which should be incremented each time the
# mesh is revised
mesh_revision = 1
mesh_revision = 5
# the minimum (finest) resolution in the mesh
min_res = 6
# the maximum (coarsest) resolution in the mesh, can be the same as min_res
max_res = 18
# The URL of the pull request documenting the creation of the mesh
pull_request = <<<Missing>>>
pull_request = https://github.com/MPAS-Dev/compass/pull/801


# config options related to remapping topography to an MPAS-Ocean mesh
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