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Analysis of Salinization Control Factors on the Wetland Soil——a case study of north suburb of wetland in Zhangye city

TIAN Liao-xi,BA Jian-wen,ZHAO Jun-tang,BI Jian-long,ZHAO Rong-chang(Institute of Hydrogeoloical and Engineering Geology,Gansu Provincial Bureau of Geology and Mineral Exploitation and Development Zhangye 734000,Gansu)  
The article takes a case study of northern suburb of wetland in Zhangye,analyzes of urban wetland soil salinization factors,to quantify the various factors were used partial correlation analysis and factor analysis of soil salinization in the control of factors.Two analysis methods have been the same result:the degree of soil salinization of wetlands in the level of control factors to the groundwater salinity,vertical to the controlling factors for soil texture.And using analytic hierarchy process(AHP)calculate the weight of various factors,so as to wetlands soil salinization governance and research provided the basis.
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