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英语翻译从格网数字高程模型DEM(Digital Elevation Mode1)GIS环境下提取水文信息已经得到了广泛

来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/05/17 14:46:57
英语翻译
从格网数字高程模型DEM(Digital Elevation Mode1)GIS环境下提取水文信息已经得到了广泛应用.本文通过一GIS为平台,通过实验探讨了以玛纳斯为研究对象从DEM中提取河网的详细过程:通过DEM的生成、洼地的识别和填充、平地的抬升、水流方向的确定、水流累积矩阵的确定、河流栅格河网的生成、河网水系的生成以及子流域的分割等过程,实现了流域河网特征的提取,得到了数字流域矢量图.
From the grid Digital Elevation model (DEM Digital Elevation Mode1) GIS environment extraction hydrological information has been widely used.This article through a GIS platform,discussed through experiments in manasi for research object extracted from the DEM DWM detailed process:through the formation,the DEM depressions,identify and filling,the ground of rising,flow direction,water accumulated matrix to determine the determination,the formation,river grid river-net DWM the generation and son basin water segmentation,realizing the process such as the extraction of river basin,get the characteristics of digital watershed vector diagram.
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