An empirical formulation of soil ice fraction based on in situ observations

Details An empirical formulation of soil ice fraction based on in situ observations An empirical formulation of soil ice fraction based on in situ observations

Mar 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006georl..3305402d&link_type=abstract

Geophysical Research Letters, Volume 33, Issue 5, CiteID L05402

Physics

2

Hydrology: Frozen Ground, Hydrology: Soil Moisture, Atmospheric Processes: Global Climate Models (1626, 4928)

Scientific paper

In situ data from around the globe are used to evaluate the parameterization of the fraction of soil ice over total moisture (fi) as used in four weather and climate models. Based on these evaluations and data analysis, an overall realistic (empirical) formulation is developed to compute fi as a function of soil temperature and the ratio of total moisture over its saturated value. This new formulation is found to reduce the winter ground temperature by up to 3 K over high latitudes in the offline Community Land Model (CLM3) simulations.

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