Journal: ISPRS international journal of geo-information ...
pubag.nal.usda.govISPRS international journal of geo-information 2021 v.10 no.3 pp. - ISSN: 2220-9964 Subject: algorithms; drainage; geometry; landscapes; lithology; rivers; spatial data; topography; vegetation; China Abstract:... Determining the flow accumulation threshold (FAT) is a key task in the extraction of river networks from digital elevation models (DEMs).