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Position: Home > Articles > Construction of DEM of Lishui and the Calculation of Area of Slope Land Journal of Anhui Agricultural Sciences 2006,34 (15) 3603-3604+3606

溧水县DEM的建立及坡面土地面积的提取

作  者:
王秀云;陈晔;舒强;张强
单  位:
南京师范大学地理科学学院
关键词:
数字高程模型;土地利用类型;坡度;面积;溧水县
摘  要:
介绍了利用生成的1∶5万3、0 m分辨率溧水县DEM数据和土地利用类型栅格数据,借助于GIS软件,首先对DEM数据提取坡度信息,然后将坡度信息与土地利用类型栅格数据结合进行空间叠加分析,研究了溧水县不同土地利用类型在各个坡度级内的面积大小。
译  名:
Construction of DEM of Lishui and the Calculation of Area of Slope Land
作  者:
WANG Xiu-yun et al (School of Geography,Nanjing Normal University,Nanjing,Jiangsu 210097)
关键词:
DEM;Land use type;Slope;Area;Lishui city
摘  要:
In this paper the use of DEM and the grid themes were mainly introduced,which had the same resolution(30?m) as DEM and was for the land-use types of Lishui to calculate area of different land-use types at different slope-grades by GIS.In order to finish calculating area of surface,the slopet should be obtained at first.Slope can be extracted from DEM combined with grid themes of land use types.The area of different slope grades in Lishui was obtained based on GIS.

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