沙漠与绿洲气象2018，Vol.12Issue(2)：22-30,9.DOI:10.12057/j.issn.1002-0799.2018.02.004
CESM模式对东亚地区环流特征的模拟检验
Evaluation of Circulation Simulation in East Asia by the CESM Model
摘要
Abstract
This paper evaluates the performance of the CESM model for the precipitation and summer circulation over East Asia,by using the CMAP monthly precipitation data and reanalysis data,from European forecasting center. The result show that:(1)The CESM could simulate the characteristics of the circulation,surface temperature,water vapor flux and the process of the rain belt from the south to the north;(2)The comparison between CESM and CMAP data reveals a spatial deviation and the southern TP experiences an abundant simulated precipitation while the western TP and Japan Sea are prone to the low precipitation during the winter period. The spatial deviation of the summer precipitation shows that the simulated precipitation is concentrated on land,mainly in the south of Tibetan plateau region. Moreover,the simulated precipitation shows a sparse distribution over the Sea. The temporal variation shows that the simulated rain belt is earlier than the observations in the low latitude,later in the mid-high latitude and maintain longer.(3) Compared to the ERA data,the simulated summer surface temperature deviation from CESM shows the low temperature on the land and high temperature over the sea. The simulated subtropical high pressure at 500hPa was westward and a stronger in intense than the observed in the summer,which was not conducive to the precipitation in JiangHuai region of China.(4)The comparison of meridional circulation between CESM and ERA data reveals differences and the southern TP appears a high and narrow circulation,which is in contrast with the simulated precipitation situation.关键词
CESM模式/东亚地区/降水/环流Key words
CESM Model/East Asia/precipitation/circulation分类
天文与地球科学引用本文复制引用
江颖,隆霄,Celestin Sindikubwabo..CESM模式对东亚地区环流特征的模拟检验[J].沙漠与绿洲气象,2018,12(2):22-30,9.基金项目
国家自然科学资金(41330527,41375019,41225018)资助. （41330527,41375019,41225018）
