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