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Disable land ice frazil unless ISMF is on #6501

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Disable land ice frazil unless ISMF is on #6501

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7c6518c
Make land ice frazil off by default
cbegeman Jun 9, 2024
701d8fb
Enable land ice frazil for ISMF cases
cbegeman Jun 9, 2024
0c2bca8
Hard-code data ISMF frazil off
cbegeman Jun 19, 2024
decd023
Duplicate land ice frazil settings in frazil section
cbegeman Jun 19, 2024
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15 changes: 14 additions & 1 deletion components/mpas-ocean/bld/build-namelist
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Original file line number Diff line number Diff line change
Expand Up @@ -761,7 +761,6 @@ add_default($nl, 'config_self_attraction_and_loading_beta');

add_default($nl, 'config_use_frazil_ice_formation');
add_default($nl, 'config_frazil_in_open_ocean');
add_default($nl, 'config_frazil_under_land_ice');
add_default($nl, 'config_frazil_heat_of_fusion');
add_default($nl, 'config_frazil_ice_density');
add_default($nl, 'config_frazil_fractional_thickness_limit');
Expand All @@ -771,18 +770,32 @@ add_default($nl, 'config_frazil_sea_ice_reference_salinity');
add_default($nl, 'config_frazil_maximum_freezing_temperature');
add_default($nl, 'config_frazil_use_surface_pressure');

if ($OCN_ISMF eq 'coupled') {
add_default($nl, 'config_frazil_under_land_ice', 'val'=>".true.");
} elsif ($OCN_ISMF eq 'internal') {
add_default($nl, 'config_frazil_under_land_ice', 'val'=>".true.");
} elsif ($OCN_ISMF eq 'data') {
add_default($nl, 'config_frazil_under_land_ice', 'val'=>".false.");
} else {
add_default($nl, 'config_frazil_under_land_ice');
}

###################################
# Namelist group: land_ice_fluxes #
###################################

if ($OCN_ISMF eq 'coupled') {
add_default($nl, 'config_land_ice_flux_mode', 'val'=>"coupled");
add_default($nl, 'config_frazil_under_land_ice', 'val'=>".true.");
} elsif ($OCN_ISMF eq 'internal') {
add_default($nl, 'config_land_ice_flux_mode', 'val'=>"standalone");
add_default($nl, 'config_frazil_under_land_ice', 'val'=>".true.");
} elsif ($OCN_ISMF eq 'data') {
add_default($nl, 'config_land_ice_flux_mode', 'val'=>"data");
add_default($nl, 'config_frazil_under_land_ice', 'val'=>".false.");
} else {
add_default($nl, 'config_land_ice_flux_mode');
add_default($nl, 'config_frazil_under_land_ice');
}
if ($OCN_TIDAL_MIXING eq 'true') {
add_default($nl, 'config_land_ice_flux_tidal_Jourdain_alpha', 'val'=>"0.777");
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2 changes: 1 addition & 1 deletion components/mpas-ocean/bld/namelist_files/namelist_defaults_mpaso.xml
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Original file line number Diff line number Diff line change
Expand Up @@ -375,7 +375,7 @@
<!-- frazil_ice -->
<config_use_frazil_ice_formation>.true.</config_use_frazil_ice_formation>
<config_frazil_in_open_ocean>.true.</config_frazil_in_open_ocean>
<config_frazil_under_land_ice>.true.</config_frazil_under_land_ice>
<config_frazil_under_land_ice>.false.</config_frazil_under_land_ice>
<config_frazil_heat_of_fusion>3.337e5</config_frazil_heat_of_fusion>
<config_frazil_ice_density>1000.0</config_frazil_ice_density>
<config_frazil_fractional_thickness_limit>0.1</config_frazil_fractional_thickness_limit>
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2 changes: 1 addition & 1 deletion components/mpas-ocean/src/Registry.xml
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Expand Up @@ -940,7 +940,7 @@
description="If frazil formation is used, controls if frazil fluxes are computed in the open ocean (as opposed to under land ice)."
possible_values=".true. or .false."
/>
<nml_option name="config_frazil_under_land_ice" type="logical" default_value=".true."
<nml_option name="config_frazil_under_land_ice" type="logical" default_value=".false."
description="If frazil formation is used, controls if frazil fluxes are computed under land ice."
possible_values=".true. or .false."
/>
Expand Down