Regions of strong coupling between soil moisture and precipitation |
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| Authors: | Koster Randal D,Dirmeyer Paul A,Guo Zhichang,Bonan Gordon,Chan Edmond,Cox Peter,Gordon C T,Kanae Shinjiro,Kowalczyk Eva,Lawrence David,Liu Ping,Lu Cheng-Hsuan,Malyshev Sergey,McAvaney Bryant,Mitchell Ken,Mocko David,Oki Taikan,Oleson Keith,Pitman Andrew,Sud Y C,Taylor Christopher M,Verseghy Diana,Vasic Ratko,Xue Yongkang,Yamada Tomohito GLACE Team |
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| Affiliation: | NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA. randal.d.koster@nasa.gov |
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| 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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