Research on Stormwater Catchments Delineation in Urban Area Based on DEM

Abstract:

Catchments delineation is important for urban storm sewer design, traditional manual delineation depends on the experience and is time consuming. With consideration of features like roads and streams that affect catchments dynamics, a GIS-based delineation approach is presented. Using sink filling, reconditioning and hydro analysis method, the catchments can be delineated automatically and precisely based on digital elevation models (DEM).

• Periodical: Advanced Materials Research (Volumes 955-959)
• Pages: 3314-3317
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.955-959.3314
• Online since: June 2014
• Authors: Hai Ping Zhang, Cai Xia Hao, Guo Li Yang, Dong Mei Ma
• Keywords: Catchments Delineation, DEM, GIS, Storm Sewer, Urban

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