Regions of Strong Coupling Between Soil Moisture and Precipitation

Randal D. Koster(NSF National Center for Atmospheric Research), Paul A. Dirmeyer(NSF National Center for Atmospheric Research), Zhichang Guo(NSF National Center for Atmospheric Research), Gordon B. Bonan(NSF National Center for Atmospheric Research), Ed Chan(NSF National Center for Atmospheric Research), Peter M. Cox(NSF National Center for Atmospheric Research), Chris Gordon(NSF National Center for Atmospheric Research), Shinjiro Kanae(NSF National Center for Atmospheric Research), Eva Kowalczyk(NSF National Center for Atmospheric Research), David M. Lawrence(NSF National Center for Atmospheric Research), Ping Liu(NSF National Center for Atmospheric Research), Cheng‐Hsuan Lu(NSF National Center for Atmospheric Research), Sergey Malyshev(NSF National Center for Atmospheric Research), B. J. McAvaney(NSF National Center for Atmospheric Research), Ken Mitchell(NSF National Center for Atmospheric Research), David M. Mocko(NSF National Center for Atmospheric Research), Taikan Oki(NSF National Center for Atmospheric Research), Keith W. Oleson(NSF National Center for Atmospheric Research), A. J. Pitman(NSF National Center for Atmospheric Research), Y. C. Sud(NSF National Center for Atmospheric Research), Christopher M. Taylor(NSF National Center for Atmospheric Research), Diana Verseghy(NSF National Center for Atmospheric Research), Ratko Vasic(NSF National Center for Atmospheric Research), Yongkang Xue(NSF National Center for Atmospheric Research), Tomohito J. YAMADA(NSF National Center for Atmospheric Research)
Science
August 20, 2004
Cited by 2,932

Abstract

Previous estimates of land-atmosphere interaction (the impact of soil moisture on precipitation) have been limited by a lack of observational data and by the model dependence of computational estimates. To counter the second limitation, a dozen climate-modeling groups have recently performed the same highly controlled numerical experiment as part of a coordinated comparison project. This allows a multimodel estimation of the regions on Earth where precipitation is affected by soil moisture anomalies during Northern Hemisphere summer. Potential benefits of this estimation may include improved seasonal rainfall forecasts.


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