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Inter-Comparison of 10-year Precipitation Simulated by Several RCMs for Asia
作者姓名:FENG Jinming  FU Congbin
作者单位:START Regional Center for Temperate East Asia and Key Laboratory of Regional Climate-Environmental for Temperate East Asia Institute of Atmospheric Physics Chinese Academy of Sciences,START Regional Center for Temperate East Asia and Key Laboratory of Regional Climate-Environmental for Temperate East Asia Institute of Atmospheric Physics,Chinese Academy of Sciences,Beijing 100029,Beijing 100029
基金项目:RMIP for Asia from the Asia-Pacific Network for Global Change Research (APN),国家重点基础研究发展计划(973计划)
摘    要:In phase Ⅱ of the Regional Climate Model Inter-comparison Project (RMIP) for Asia, the regional climate has been simulated for July 1988 through December 1998 by five regional climate models and one global variable resolution model. Comparison of the 10-year simulated precipitation with the observations was carried out. The results show that most models have the capacity to reproduce the basic spatial pattern of precipitation for Asia, and the main rainbelt can be reproduced by most models, but there are distinctions in the location and the intensity. Most models overestimate the precipitation over most continental regions. Interannual variability of the precipitation can also be basically simulated, while differences exist between various models and the observations. The biases in the stream field are important reasons behind the simulation errors of the Regional Climate Models (RCMs). The cumulus scheme and land surface process have large influences on the precipitation simulation. Generally, the Grell cumulus scheme produces more precipitation than the Kuo scheme.

收稿时间:7 November 2005

Inter-Comparison of 10-year Precipitation Simulated by Several RCMs for Asia
FENG Jinming,FU Congbin.Inter-Comparison of 10-year Precipitation Simulated by Several RCMs for Asia[J].Advances in Atmospheric Sciences,2006,23(4):531-542.
Authors:FENG Jinming and FU Congbin
Institution:START Regional Center for Temperate East Asia and Key Laboratory of Regional Climate-Environmental for Temperate East Asia, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029,START Regional Center for Temperate East Asia and Key Laboratory of Regional Climate-Environmental for Temperate East Asia, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029
Abstract:In phase Ⅱ of the Regional Climate Model Inter-comparison Project (RMIP) for Asia, the regional climate has been simulated for July 1988 through December 1998 by five regional climate models and one global variable resolution model. Comparison of the 10-year simulated precipitation with the observations was carried out. The results show that most models have the capacity to reproduce the basic spatial pattern of precipitation for Asia, and the main rainbelt can be reproduced by most models, but there are distinctions in the location and the intensity. Most models overestimate the precipitation over most continental regions. Interannual variability of the precipitation can also be basically simulated, while differences exist between various models and the observations. The biases in the stream field are important reasons behind the simulation errors of the Regional Climate Models (RCMs). The cumulus scheme and land surface process have large influences on the precipitation simulation. Generally, the Grell cumulus scheme produces more precipitation than the Kuo scheme.
Keywords:RMIP  regional climate model  interannual variation  rainbelt  cumulus scheme  land surface process
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