基于RS和GIS的毛乌素沙地荒漠化程度定量估测

doi:10.11707/j.1001-7488.20070508

Abstract

Abstract:

The study area was chosen in Yijinholo County,Mu Us sandland,Inner Mongolia.According to the orientation investigation data in the field and the corresponding RS and GIS information,by means of principal components analysis,common factor analysis and multiple linear regression analysis,the vegetation coverage and biomass estimation models were set up.Through the analysis of the math models,the main factor of influencing the vegetation coverage and biomass were found out.After desertification degree quantum,quantitative estimation model of desertification degree was set up by the vegetation coverage and biomass as main factors.Quantitative estimation model of desertification degree was fulfilled.

Key words: quantitative estimation of desertification degree, quantitative estimation of vegetation coverage and biomass, RS, GIS, factor analysis, multiple linear regression analysis

Xu Wenke;Cai Tijiu;Ju Cunyong. Quantitative Estimation of Desertification Degree Based on RS and GIS in Mu Us Sandland,Inner Mongolia[J]. Scientia Silvae Sinicae, 2007, 43(05): 48-53.

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Quantitative Estimation of Desertification Degree Based on RS and GIS in Mu Us Sandland,Inner Mongolia

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