Planetary boundary layer and surface layer sensitivity to land surface parameters

Details Planetary boundary layer and surface layer sensitivity to land surface parameters Planetary boundary layer and surface layer sensitivity to land surface parameters

Feb 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996bolme..77..353s&link_type=abstract

Boundary-Layer Meteorology, Volume 77, Issue 3-4, pp. 353-378

Mathematics

Logic

9

Scientific paper

The sensitivity of the development of the convective planetary boundary layer (PBL) and the surface layer are examined using a coupled surface parameterization and detailed PBL model. First, the coupling is verified against observations from the First ISLSCP (‘International Satellite Land Surface Climatology Project’) Field Experiment (FIFE). Results of the sensitivity experiments indicate that the PBL is most sensitive to the amount of soil water content, and the proximity of the soil water content to critical soil texture values (field capacity and wilting point). While vegetation cover is not the most sensitive parameter at the surface, its influence on the surface energy and hydrologic balance is crucial. Model sensitivity to minimum stomatal resistance, type of soil parameterization and canopy height (surface roughness and displacement depth) is also discussed.

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