Physics
Scientific paper
Mar 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003georl..30e..45k&link_type=abstract
Geophysical Research Letters, Volume 30, Issue 5, pp. 45-1, CiteID 1241, DOI 10.1029/2002GL016571
Physics
56
Hydrology: Evapotranspiration, Hydrology: Hydroclimatology, Hydrology: Soil Moisture, Meteorology And Atmospheric Dynamics: Land/Atmosphere Interactions, Meteorology And Atmospheric Dynamics: Precipitation (1854)
Scientific paper
Land-atmosphere feedback, by which precipitation-induced soil moisture anomalies affect subsequent precipitation, may be an important element of Earth's climate system, but its very existence has never been demonstrated conclusively at regional to continental scales. Evidence for the feedback is sought in a 50-yearobservational precipitation dataset covering the United States. The precipitation variance and autocorrelation fields are characterized by features that agree (in structure, though not in magnitude) with those produced by an atmospheric general circulation model (AGCM). Because the model-generated features are known to result from land-atmosphere feedback alone, the observed features are suggestive of the existence of feedback in nature.
Higgins Wayne R.
Koster Randal D.
Suarez Max J.
Van den Dool Huug M.
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