冻土过程在CCM3模式中的气候效应  

Climatic Effects of Frozen Soil Process in CCM3

作　　者：张宇[1] 吕世华[1] 孙菽芬[2] 

机构地区：[1]中国科学院寒区旱区环境与工程研究所,甘肃兰州730000 [2]中国科学院大气物理研究所,北京100029

出　　处：《高原气象》2004年第2期192-199,共8页Plateau Meteorology

基　　金：中国科学院资源环境领域知识创新工程重大项目(KZCX3 SW 329;KZCX2 203);国家自然科学基金项目(40305011;40233035;40233034)共同资助

摘　　要：将最新发展的冻土过程参数化方案与NCAR公用气候模式CCM3.6相耦合,考察了冻土过程在气候模式中的效应。模拟结果指出,模式能够较好地模拟出北半球中高纬度和高原地区的多年冻土分布,并且对中高纬地区地面温度及高层大气温度和水汽场的模拟均有较大的改进,同时也为研究气候与冻土相互作用提供了有效的工具。A simple frozen soil parameterization that developed by Zhang et al. was couple to NCAR Community Climate Model (CCM3), and its climatic effects were investigated. The simulation results indicates that the permafrost distribution over the Northern Hemisphere and mountainousregions were properly described, and some improvements on the simulation of surface air temperature, upper air temperature, and humidity fields were archived. Furthermore, it is the facility to study the interaction of frozen soil andclimatic change.

关 键 词：冻土过程 CCM3 模拟 

分 类 号：P461[天文地球—大气科学及气象学]