Advances in Earth Science ›› 2008, Vol. 23 ›› Issue (6): 613-618. doi: 10.11867/j.issn.1001-8166.2008.06.0613

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Progress and Perspective of Spatial Variability Study on Unsaturated Soil Water Movement Parameters

Song Xiaoyu,Li Yajuan,Jiang Jun,Ma Yuxia   

  1. Northwest Key Laboratory of Water Resource and Environment Ecology,Ministry of Education,Xi’an University of Technology,Xi’an 710048,China

  • Received:2007-09-11 Revised:2008-03-19 Online:2008-06-10 Published:2008-06-10

Song Xiaoyu,Li Yajuan,Jiang Jun,Ma Yuxia. Progress and Perspective of Spatial Variability Study on Unsaturated Soil Water Movement Parameters[J]. Advances in Earth Science, 2008, 23(6): 613-618.

Spatial characteristics of unsaturated soil water movement parameter are the base and precondition of scientific understanding soil moisture dynastic variation of large-scale. On the basis of great deal of the domestic and overseas reference, the progress of spatial variability study on unsaturated soil water movement parameter have been analyzed and reviewed from the model to spatial scale research, pointed that mechanism model research was the direction of spatial variability study on unsaturated soil water movement parameter, and the precision of scale research was inadequate. After analyzed and concluded the methods of spatial variability study on unsaturated soil water movement parameter, indicated that included direct and indirect method, the advantage and disadvantage of which have been summarized. In the end, the problem of spatial variability study on unsaturated soil water movement parameter have been discussed which mostly focused on the standardization of results of spatial variability study on unsaturated soil water movement parameter and inter-transformation of unsaturated soil water movement parameter on the different scale,which is the direction for the further research.

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