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《Territory & Natural Resources Stuty》 2004-01
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Establishment of1:10000 scale digital elevation model and slope analysis

GUO Peng et al(Department of Resources and Environment ,Southwest Agriculture University ,Chongqing400716 ,China)  
Taken1:10000Scale topographic map as an example,under the support of ARC/INFO software of GIS,through digitizing topographic map,This paper formed digital elevation model and had an analysis of slope.The results show that paddy fields are mostly distributed in the area whose slope25°,The percentage of which are89.6%in the total area of Paddy Fields,and Its area is222.0hm 2 .The percentage of dryland whose slope15°are70.8%in the total area of dryland,and its area is869.2hm 2 .The percentage of dryland which slope25°are31.2%in the total area of dryland,and its area is383.1hm 2 .
【Fund】: 重庆市科委攻关项目(6217);; 重庆市教委科技项目(011802)
【CateGory Index】: P224
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