摘要
数字高程模型(DEM)数据中包含了丰富的地形、地貌、水文信息,它能够反映各种分辨率的地形特征和水文特征。本文以青海雁石坪地区DEM数据为例,详细介绍了在ArcGIS软件中提取地形信息和水文信息的方法、步骤以及提取时应注意的问题。
There is plenty of topography geomorphology hydrology information in Digital Elevation Model(DEM) data,which can reflect the topographic and hydrological character in a variety of resolutions.This paper introduces the method and process of extraction of topographic information and hydrological information in the ArcGIS environment based on DEM datas of Yanshiping region,
出处
《吉林地质》
2010年第4期163-167,共5页
Jilin Geology
关键词
ARCGIS
数字高程模型
地形信息
水文信息
提取
ArcGIS
Digital Elevation Model
topographic information
hydrological information
extraction