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Don't smooth ISOMIP+ topography on base mesh #202

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merged 1 commit into from
Jul 16, 2024
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Don't smooth ISOMIP+ topography on base mesh #202

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9 changes: 5 additions & 4 deletions polaris/ocean/tasks/isomip_plus/__init__.py
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Original file line number Diff line number Diff line change
Expand Up @@ -75,9 +75,10 @@ def _get_shared_steps(mesh_type, resolution, mesh_name, resdir, component,
base_mesh.set_shared_config(config, link='isomip_plus_topo.cfg')

subdir = f'{resdir}/topo/map_base'
# we remap the topography onto the base mesh with smoothing, which
# requires the conserve method. This only works because we have already
# culled planar meshes to remove periodicity
# we remap the topography onto the base mesh without smoothing the
# smoothing doesn't expand the domain. We can use conservative
# interpolation because we have already culled planar meshes to remove
# periodicity
topo_map_base = TopoMap(component=component,
name='topo_map_base',
subdir=subdir,
Expand All @@ -86,7 +87,7 @@ def _get_shared_steps(mesh_type, resolution, mesh_name, resdir, component,
mesh_step=base_mesh,
mesh_filename='base_mesh.nc',
method='conserve',
smooth=True)
smooth=False)

subdir = f'{resdir}/topo/remap_base'
topo_remap_base = TopoRemap(component=component,
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