Extraction of Watershed Characteristics using GIS and Digital Elevation Model
Journal Title: International Journal of Engineering and Science Invention - Year 2017, Vol 6, Issue 7
Abstract
Knowledge of watershed characteristics like aerial extent, slope, relief, aspect and drainage networks is prerequisite for watershed management. Manual computation of these characteristics from the topographic maps and stream network map of the watershed is tedious and time consuming. Geographical Information systems (GIS) with Digital Elevation model can be used for the computation of various watershed characteristics effectively and efficiently. This paper presents a case study of generating digital elevation model (DEM) and extraction of geo-morphological characteristics from DEM using GIS. While results presented in this paper can be specific to the watershed considered, the study clearly shows the applicability of GIS for the extraction of geo-morphological characteristics of a watershed.
Authors and Affiliations
Arbind K. Verma, Madan K. Jha
Keywords
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