RegCM3对三江平原下垫面变化的敏感性检验  

Sensitivity test of RegCM3 to underlying surface change in the Sanjiang Plain

作　　者：闫敏华[1,2] 张伟[3] 陈泮勤[4] 

机构地区：[1]中国科学院东北地理与农业生态研究所,吉林长春130012 [2]中国科学院研究生院,北京100049 [3]泰山学院旅游与资源环境学院,山东泰安271021 [4]中国科学院资源环境科学与技术局,北京100864

出　　处：《东北师大学报（自然科学版）》2010年第1期141-145,共5页Journal of Northeast Normal University(Natural Science Edition)

基　　金：国家自然科学基金资助项目(40771190)

摘　　要：通过两组区域气候模拟数值实验,检验了RegCM3对三江平原下垫面变化的敏感性.结果表明,在10km×10km分辨率下,在每组气候模拟数值实验中,只改变三江平原下垫面地表数据,对比不同下垫面的气温和降水量的模拟结果,发现其差异明显,特别是在下垫面地表数据明显变化的地方.这说明RegCM3对三江平原下垫面改变具有很高的敏感性,可以使用该模式对下垫面变化的三江平原区域气候进行数值模拟.Numerical simulation is an effectual method to understand the climate effect of the underlying surface.The sensitivity of RegCM3 to the underlying surface changes in the Sanjiang Plain was verified through two groups of numerical experiments.The results showed that the differences were obvious in both of the numerical experiments when the underlying surface was changed merely at 10 km resolution,the differences of the simulations results were biggest where the underlying surface was changed most intensively.It indicated that the sensitivity of RegCM3 to the underlying surface changes in the Sanjiang Plain was high,and RegCM3 could be used to simulate the regional climate in the Sanjiang Plain.

关 键 词：REGCM3 下垫面变化 三江平原 数值模拟 

分 类 号：P463.1[天文地球—大气科学及气象学]