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Advances in Atmospheric Sciences

, Volume 18, Issue 5, pp 910–928 | Cite as

A Sensitivity Study on Parameterization Scheme of Snow Internal and Interfacial Processes in Snow Model

  • Sun Shufen
  • Li Jingyang
Article

Abstract

In order to develop a seasonal snow model of land surface process as accurately as possible for climatic study, it is necessary to fully understand the effects of important snow internal processes and interaction with air and to get an insight into influence of several relevant parameterization schemes with parameters’ uncertainty to some degree. Using the snow model (SAST) developed by first author and other one and some useful field observation data, this paper has conducted a series of sensitivity studies on the parameterization schemes. They are relative to compaction process, snow thermal conduction, methodology of layering snow pack and to key parameters such as snow albedo, water holding capacity. Then, based on the results from the sensitivity studies, some useful conclusions for snow cover model improvement are obtained from the analysis of the results.

Key words

Snow cover model Parameterization scheme and parameters Sensitivity study SAST 

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Copyright information

© Advances in Atmospheric Sciences 2001

Authors and Affiliations

  • Sun Shufen
    • 1
  • Li Jingyang
    • 1
  1. 1.LASG, Institute of Atmospheric PhysicsChinese Academy of SciencesBeijingChina

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