PISM, A Parallel Ice Sheet Model 2.3.2-61fbb4273 committed by Andy Aschwanden on 2026-06-25
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◆ snow_accumulation()

double pism::surface::DEBMSimple::snow_accumulation ( double  T,
double  P 
) const
private

Extracts snow accumulation from mixed (snow and rain) precipitation using a temperature threshold with a linear transition.

Rain is removed entirely from the surface mass balance, and will not be included in the computed runoff, which is meltwater runoff.

There is an linear transition for Tmin below which all precipitation is interpreted as snow, and Tmax above which all precipitation is rain (see, e.g. [Hock2005b]).

Returns the solid (snow) accumulation rate.

Parameters
[in]Tair temperature
[in]Pprecipitation rate

Definition at line 247 of file DEBMSimple.cc.

References m_precip_as_snow, m_Tmax, and m_Tmin.

Referenced by update_impl().