Sensitivity of surface fluxes to the number of layers in the soil model used in GCMs

Details Sensitivity of surface fluxes to the number of layers in the soil model used in GCMs Sensitivity of surface fluxes to the number of layers in the soil model used in GCMs

Oct 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000georl..27.3329d&link_type=abstract

Geophysical Research Letters, Volume 27, Issue 20, p. 3329-3332

Physics

8

Atmospheric Composition And Structure: Biosphere/Atmosphere Interactions, Hydrology: Hydroclimatology

Scientific paper

Many GCM land surface schemes were recently developed in order to take into account the physical processes of soil water flow by resolving Darcy equation. But numerical resolution of the Darcy equation requires care because of its high degree of non-linearity. This paper presents a sensitivity experiment of the numerically computed surface fluxes to the vertical soil resolution. It is shown that too coarse resolutions drastically affects the ability of the scheme to give physically based representations of moisture and energy fluxes.

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