STUDY OF THE EFFECTS OF REDUCING SYSTEMATIC ERRORS ON MONTHLY REGIONAL CLIMATE DYNAMICAL FORECAST

A nested-model system is constructed by embedding the regional climate model RegCM3 into a general circulation model tbr monthly-scale regional climate forecast over East China. The systematic errors are formulated for the region on the basis of 10-yr (1991-2000) results of the nested-model system,and of the datasets of the Climate Prediction Center (CPC) Merged Analysis of Precipitation (CMAP) and the temperature analysis of the National Meteorological Center (NMC),U.S.A.,which are then used for correcting the original forecast by the system for the period 2001-2005. After the assessment of the original and corrected forecasts for monthly precipitation and surthce air temperature,it is found that the corrected forecast is apparently better than the original,suggesting that the approach can be applied for improving monthly-scale regional climate dynamical lbrecast.

作 者： ZENG Xin-min XI Chao-li   作者單位： ZENG Xin-min(Institute of Meteorology,PLA University of Science and Technology,Nanjing 211101 China;Key Laboratory of Regional Climate-Environment Research for Temperate East Asia,Chinese Academy of Sciences,Beijing 100029 China;Key Laboratory for Mesoscale Severe Weather of Ministry of Education,Nanjing 210093 China)

XI Chao-li(Institute of Meteorology,PLA University of Science and Technology,Nanjing 211101 China;Air Force Meteorological Observatory of Zhangjiakou,Zhangjiakou 075000 China) 

刊 名： 熱帶氣象學(xué)報(bào)(英文版)  英文刊名： JOURNAL OF TROPICAL METEOROLOGY  年，卷(期)： 2009 15(1)  分類號(hào)： P456.7  關(guān)鍵詞： climatology   monthly regional climate   dynamical forecast   systematic errors  

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