2.3 Data preparation

TheDEMdataforthehydrologicanalysiscanbeobtainedfromtheUnitedStatesGeologicalSurveyHYDRO1K(website:http://edcdaac.usgs.gov/gtopo30/hydro/)intheresolutionofa1km×1kmgrid.DEMandthehydrologicalanalysismodule,includessinkfilling,flowdirectiongeneration,rivernet ......     (本文共 1375 字 )     [阅读本文]>>




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