Climate and Forecast Mode Simulations for Antarctica:Implications for Temperature and Wind

查看全文 作　　者：[1]辛羽飞;Annette [2]RINKE;[1]卞林根;Klaus [2]DETHLOFF;[1]效存德;Moritz [2]MIELKE

机构地区：[1]Chinese Academy of Meteorological Sciences;[2]Alfred Wegener Institute for Polar and Marine Research

出　　处：《Advances in Atmospheric Sciences》索引2010年第27卷第6期,共20页

基　　金：funded by the National Natural Science Foundation of China under Grant No.40905048;the German Bosch Foundation,and the program of basic research and operating of CAMS 摘　　要：Climate and forecast mode simulations with the regional climate model HIRlam-ECHAM(HIRHAM) are evaluated over a pan-Antarctic domain. The ability of the model to simulate temperature and wind profiles in the troposphere is quantified by comparing its results with radiosonde data acquired from the Davis station for January and July 2007. Compared to the climate mode, the forecast mode was found to deliver improved results for temperature and wind simulations at the near surface and in the lower troposphere. The main remaining model bias found was the under-representation of low-level wind jets. Based on ensemble simulations, it is shown that a distinct internal variability is inherent in the climate mode simulations, and associated areas of reduced predictability over Antarctica are identified. 关键词：区域气候模式模式模拟预测模式温度南极风力模型偏差探空资料

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Climate and Forecast Mode Simulations for Antarctica:Implications for Temperature and Wind

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