RegCM3对东亚环流和中国气候模拟能力的检验

张冬峰; 欧阳里程; 高学杰; 赵宗慈; PALJeremyS; GIORGIFilippo

RegCM3对东亚环流和中国气候模拟能力的检验

1.
中国科学院大气物理研究所, 北京, 100029;国家气候中心, 北京, 100081;中国科学院研究生院, 北京, 100049
2.
广州国际专业气象台, 广东, 广州, 510080
3.
国家气候中心, 北京, 100081
4.
The Abdus Salam International Centre for Theoretical Physics, 34100, Trieste, Italy

基金项目: 中国气象局气候变化专项;国家重点基础研究发展规划项目(2006CB400506)联合资助

计量
- 文章访问数: 1164
- HTML全文浏览量: 0
- PDF下载量: 1148
- 被引次数: 0
出版历程
- 收稿日期: 2006-08-25
- 修回日期: 2007-02-08

SIMULATION OF THE ATMOSPHERIC CIRCULATION OVER EAST ASIA AND CLIMATE IN CHINA BY REGCM3

1.
Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing, 100029 China;National Climate Center, Beijing, 100081, China;Graduate University of Chinese Academy of Sciences, Beijing, 100049, China
2.
Guangzhou International Specialized Weather Services 510080, China
3.
National Climate Center, Beijing, 100081, China
4.
The Abdus Salam International Centre for Theoretical Physics, 34100, Trieste, Italy

摘要

摘要: 使用RegCM3区域气候模式,嵌套ERA40再分析资料,对东亚地区进行了15年(1987～2001年)时间长度的数值积分试验,分析了模式对东亚平均环流及中国地区气温和降水的模拟。结果表明,模式对东亚平均环流的特征和中国地区降水、地面气温的年、季地理分布和季节变化特征均具有一定的模拟能力,对气温和降水年际变率的模拟也较好。此外模式模拟在测站稀少地区,可以提供局地如降水分布更可靠的信息。模式对气温的模拟存在1~3℃的系统性冷偏差;对中国地区降水地理分布的模拟也存在一定偏差,如对年平均降水的模拟中,降水最大值位置与观测有一定差距,特别是对冬季降水中心的模拟存在较大偏差。模式模拟的夏季降水,在中国北方地区总体偏大100~200mm,南方总体偏小100~200mm。模式对地面气温的模拟效果好于降水。
- 区域气候模式 /
- 气候模拟 /
- 检验 /
- 东亚地区 /
- 中国
Abstract: 15 years' simulation of climate over East Asia is carried out by the latest version of a regional climate model(RegCM3) nested to ERA40 Re-analysis data.The performance of the model in simulating the present climate in East Asia and China is investigated.Results show that RegCM3 can reproduce well the atmospheric circulation over East Asia.The simulation of the main distribution patterns of surface air temperature and precipitation over China and their seasonal change/evolution,as well as the inter-annual variability,are basically reasonable.Furthermore,the model simulation provides more information about local precipitation in places where little observation data can be acquired.However a general cold bias is found in the simulation of temperature.As for the precipitation,the model did not reproduce well the high precipitation centers in southern China,especially in wither.It tends to overestimate the precipitation in northern China while underestimating it in southern China.In summer,100~200mm more precipitation in northern China and 100~200mm less precipitation in southern China are simulated.In general,the model has better performance in simulating temperature than precipitation.
- regional climate model /
- climate simulation /
- evaluation /
- East Asia region /
- China

HTML全文

参考文献(23)

[1]	GIORGI F,HEWITSON B,CHRISTENSEN J H,et al.Regional climate information-evaluation and projections[M].Cambridge,U.K,Cambridge University Press,2001:583-638.
[2]	高学杰,徐影,赵宗慈,等.数值模式不同分辨率和地形对东亚降水模拟影响的试验[J].大气科学,2006,30(2):185-192.
[3]	DéQUé M,DREVETON C,BRAUN A,et al.The ARPEGE/IFS atmosphere model:A contribution to the french community climate modeling[J].Clim Dyn,1994,10:249-266.
[4]	ZHOU Tianjun,LI Zhao-xin.Simulation of the East Asian summer monsoon by using a variable resolution atmospheric GCM[J].Clim Dyn,2002,19:167-180.
[5]	赵宗慈,罗勇.20世纪90年代区域气候模拟研究进展[J].气象学报,1998,56(2):225-246.
[6]	GAO Xue-jie,ZHAO Zong-ci,DING Yi-hui,et al.Climate change due to greenhouse effects in China as simulated by a regional climate model[J].Adv Atmos Sci,2001,18(6):1224-1230.
[7]	高学杰,林一骅,赵宗慈.用区域气候模式模拟人为硫酸盐气溶胶在气候变化中的作用[J].热带气象学报,2003,19(2):169-176.
[8]	GAO Xue-jie,LIN Yi-hua,ZHAO Zong-ci.Modeling the effects of anthropogenic sulfate in climate change by using a regional climate model[J].J Tropical Meteor,2003,19(2):173-180.
[9]	高学杰,赵宗慈,丁一汇,等.温室效应引起的中国区域气候变化的数值模拟Ⅰ区性:模式对中国气候模拟能力的检验[J].气象学报,2003,61(1):20-27.
[10]	UPPALA S,KALLBERG P,SIMMONS A,et al.The ERA-40 Re-analysis[J].Quart J R Meteor Soc,2005,131:2 961-3012.doi:10.1256/qj.04.176.
[11]	GIORGI F,MARINUCCI M R,BATES G T.Development of a second-generation regional climate model(RegCM2).Part I:Boundary-layer and radiative transfer processes[J].Mon Wea Rev,1993,121:2 794-2 813.
[12]	GIORGI F,MARINUCCI M R,BATES G T,et al.Development of a second-generation regional climate model(RegCM2)Part II:Convective processes and assimilation of lateral boundary conditions[J].Mon Wea Rev,1993,121:2 814-2 832.
[13]	PAL J S,GIORGI F,Bi X Q,Elguindi N,SOLMON F,Gao X J,et al.The ICTP RegCM3 and RegCNET:Regional climate modeling for the developing world[J].Bulletin of the American Meteorological Society.2007,in press.
[14]	KIEHL J,HACK J,BONAN G,et al.Description of the NCAR community climate model(CCM3)[R].NCAR Tech.Note,NCAR/TN-420+ STR,1996:152.
[15]	PAL J S,SMALL E,ELTAHIR E.Simulation of regional-scale water and energy budgets:representation of subgrid cloud and precipitation processes within RegCM[J].J Geophys Res,2000,105(D24):29579-29594.
[16]	ZENG X,ZHAO M,DICKINSON R.Intercomparison of bulk aerodynamic algoriths for the computation of sea surface fluxes using toga coare and tao data[J].J Climate,1998,11:2 628-2 644.
[17]	EMANUEL K A.A Scheme for representing cumulus convection in large-scale models[J].Quart J R Meteor Soc,1991,48:2313-2335.
[18]	张冬峰,高学杰,赵宗慈,等.RegCM3及其对中国气候的模拟[J].气候变化研究进展,2005,1(3):119-121.
[19]	DICKINSON R E,KENNEDY P J,HENDERSON-SELLERS A,et al.Biosphere-atmosphere transfer scheme(BATS)for the NCAR Community Climate Model[R].NCAR Tech.Note,NCAR/TN-275+STR,1986:69.
[20]	HOLTSLAG A A M,BRUIJN E I F,PAN H L.A high resolution air mass transformation model for short-range weather forecasting[J].Mon Wea Rev,1990,118:1561-1575.
[21]	GRELL G A.Prognostic evaluation of assumptions used by cumulus parameterizations[J].Mon Wea Rev,1993,121:764-787.
[22]	侯学煜.中华人民共和国植被图(1:4,000,000)[M].北京:地图出版社,1982.
[23]	周天军,钱永甫.一个有限域嵌套细网格模式的设计及其预报结果的检验[J].热带气象学报,1995,11(4):342-353.