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A Land-Atmosphere Coupling Model and Mechanism of the Crust Layer and the Evolution of Canopy in Artificial Vegetation Area of Shapotou
Authors
姚德良
张景光
+3 more
李家春
李新荣
杜岳
Publication date
1 January 2002
Publisher
Abstract
论述了研究陆气相互作用的意义和现状。在以前工作基础上,针对腾格里沙漠人工植被区陆气水热传输过程,提出了一个多层陆气的耦合模式。特别给出了导水率的计算模型和修正后的根系吸水模式,考虑了结皮层对于土壤水分入渗的影响以及植被演变的过程。陆气耦合模式分别对大气、植被、土壤作用多层划分,以助于细致了解沿高度分布的各物理量。同时,介绍了当地气候根况和野外观测情况。利用本模式对中国科学院沙坡头沙漠站人工植被区陆气水热效换过程进行了数值模拟,模拟结果与实测值吻合较好,可为当地合理利用水热资源和治理沙漠提供科学依据
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Institute Of Mechanics,Chinese Academy of Sciences
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Last time updated on 12/02/2018