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Modified surface_ice.py to change near_infrared surface albedo as wel… #122

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Modified surface_ice.py to change near_infrared surface albedo as wel… #122

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16 changes: 16 additions & 0 deletions climt/_components/surface_ice.py
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Original file line number Diff line number Diff line change
Expand Up @@ -125,6 +125,14 @@ class IceSheet(Stepper):
'dims': ['*'],
'units': 'dimensionless'
},
'surface_albedo_for_direct_near_infrared': {
'dims': ['*'],
'units': 'dimensionless'
},
'surface_albedo_for_diffuse_near_infrared': {
'dims': ['*'],
'units': 'dimensionless'
},
}

def __init__(self, maximum_snow_ice_height=10, **kwargs):
Expand Down Expand Up @@ -330,16 +338,24 @@ def array_call(self, raw_state, timestep):
if outputs['surface_snow_thickness'][col] > 0:
diagnostics['surface_albedo_for_direct_shortwave'][col] = 0.8
diagnostics['surface_albedo_for_diffuse_shortwave'][col] = 0.8
diagnostics['surface_albedo_for_direct_near_infrared'][col] = 0.8
diagnostics['surface_albedo_for_diffuse_near_infrared'][col] = 0.8
elif area_type == 'sea_ice' and outputs['sea_ice_thickness'][col] > 0:
diagnostics['surface_albedo_for_direct_shortwave'][col] = 0.5
diagnostics['surface_albedo_for_diffuse_shortwave'][col] = 0.5
diagnostics['surface_albedo_for_direct_near_infrared'][col] = 0.5
diagnostics['surface_albedo_for_diffuse_near_infrared'][col] = 0.5
elif area_type == 'sea_ice' and outputs['sea_ice_thickness'][col] > 0:
diagnostics['surface_albedo_for_direct_shortwave'][col] = 0.5
diagnostics['surface_albedo_for_diffuse_shortwave'][col] = 0.5
diagnostics['surface_albedo_for_direct_near_infrared'][col] = 0.5
diagnostics['surface_albedo_for_diffuse_near_infrared'][col] = 0.5

if height_of_melting_ice > 0:
diagnostics['surface_albedo_for_direct_shortwave'][col] = 0.2
diagnostics['surface_albedo_for_diffuse_shortwave'][col] = 0.2
diagnostics['surface_albedo_for_direct_near_infrared'][col] = 0.2
diagnostics['surface_albedo_for_diffuse_near_infrared'][col] = 0.2

return diagnostics, outputs

Expand Down