Advances in Meteorology / 2015 / Article / Tab 1

Research Article

Atmosphere-Cryosphere Coupled Model for Regional Climate Applications

Table 1

Comparison of PRCM land-surface scheme (LSS) with the snow land-surface model (SLM).

PRCM-LSS (current)SLM (new)Remarks

Surface parameterization3-layer soil and one-layer vegetation combined with snowMultilayer soil and snow, one-layer vegetationLimited by I.C. availability of soil
Snow albedoFunction of snow depth + background albedoSnow albedo depends on zenith angle, snow depth, and grain sizeSnow fraction of vegetation and bare ground
Soil temperatureHeat equation explicitly solves for Enthalpy equationHeat transfer due to water passing through medium considered
Soil moistureNo frozen soil physicsSoil freeze/thaw consideredLiquid water and soil ice can coexist
CanopySingle sunlit vegetationBoth sunlit and shaded fractions of vegetation

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