A simplified version of the coupled heat and moisture transport model |
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| Authors: | Shufen Sun Xia Zhang Guo An Wei |
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| Institution: | a LASG, Institute of Atmospheric Physics, Chinese Academy of Sciences, P.O. Box 9804, Beijing 100080, China;b Environmental and Engineering Institute in Cold and Dry Region, Chinese Academy of Sciences, Lanzhou 730000, China |
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| Abstract: | In this paper, the analysis of the order of magnitude of different terms in energy and mass balance equations in complete coupled model (CM) used for either wet or dry soil moisture condition is conducted. It leads to a simplified version of the coupled model (SCM) but without losing accuracy. Then, through numerical simulation of CM and SCM by using 1-year observation data from HEIFE experiment, two tests with wet or dry moisture conditions for SCM verification are carried on. The results prove the reasonability of SCM. When compared with the numerical results from SCM, CM and observation data, the numerical results from SCM show very close agreement with CM and good agreement with observation data. It means the SCM can be used in climate study for either wet or dry region. |
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| Keywords: | Coupled model Moisture Dry region |
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