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《Shandong Agricultural Sciences》 2009-05
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DEM Production of Dabie Mountain and Extraction of Its Gullies

WANG Xiu-yun1,HUANG Shu-ling1,YUAN Xin-tian1,CHEN Ye2(1.Department of Geography and Environment,Suzhou College,Suzhou 234000,China;2.College of Geography,Nanjing Normal University,Nanjing 210097,China)  
Producing DEM from vector contour map as well as using the principles of runoff model to extract ditch line were introduced in this paper.With the aid of GIS software and taking region of Dabie Mountain in Anhui Province as the example,the DEM was established and the gullies were extracted as well.At last,the deficiency of the findings was pointed out too.
【Fund】: 安徽省教育厅自然科学基金项目(编号:KJ2007B182)
【CateGory Index】: P91;P208
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