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机构地区:[1]中国科学院大气物理研究所全球变化东亚研究中心
出 处:《地球科学进展》1999年第3期299-305,共7页Advances in Earth Science
基 金:国家"九五"攀登计划预选项目
摘 要:总结和分析了土壤湿度与气候变化关系研究的现状和存在问题。首先,详尽的描述了土壤湿度与气候变化关系的数值模拟研究,在总结和评述土壤湿度对气候变化作用的同时,对与土壤湿度变化有关的陆面模式的类型和三种蒸发的计算公式进行了详细的讨论。其次,概括了目前研究仍显薄弱的资料诊断分析工作。最后。The problems and current situation of the research of the relationship between soil moisture and climate change were summarized and analyzed in the paper. First, the problems and current situation in the numerical modeling of the relationship was depicted. Furthermore, the three kinds of equations related to soil water budget in different land surface model were compared each other, then we pointed out their advantages and disadvantages respectively. Also the three formula of calculating evapotranspiration was discussed in detail. Secondly, the works, which is less than the numerical modeling and related to the analyses of the data of soil moisture and climate change, were summed up. Finally, some problems, which are urgently need to study, were pointed out.
关 键 词:土壤湿度 气候变化 数值模拟 陆面过程 研究进展
分 类 号:P467[天文地球—大气科学及气象学] S152.7[农业科学—土壤学]
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