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Research on the relief based on 1:10000 DEMs--A case study in the loess plateau of north Shaanxi province

ZHU Hong-chun~①,CHEN Nan~①,LIU Haiying~③,TANG Guoan~②(①Geo-information Science & Engineering College,Shandong University of Science and Technology,Tingdao China,266510;②Jiangsu Province Key Laboratory of Geo-information Science,Nanjing Normal University,Nanjing,210097;③The Department of Basic Courses,Shandong University of Science and Technology,Tingdao China,266510)  
Types of geomorphology forming is a systematic process,and the form can be used as a function compounding different topographic factors.Based on 1∶10000 DEM,choosing two drainage areas in from six research areas of the Loess Plateau,taking gully density as following variable and mean slope,mean flow length and relief as independent variable,this paper stimulates their quantitative relation.The result showed that the four topographic are linear correlated,and the mathematical model is of significance to research configuration characters of geomorphology of the Loess Plateau.
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