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Erschienen in:
2021 | OriginalPaper | Buchkapitel
Estimation of Surface Runoff Potential Using SCS-CN Method and GIS for Parts of Doddahalla3 Watershed in Krishna River Basin
verfasst von : Bhavyata Jethva, Ashim Ghosh, Lingaraju Yale
Erschienen in: Advances in Civil Engineering and Infrastructural Development
Verlag: Springer Singapore
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Abstract
A study was conducted to estimate the runoff by using SCS-CN method and geospatial technology for part of Doddahalla3 watershed in Krishna River Basin. The study area falls under Gadag, Sirahati, and Mundargi Taluks of Gadag District, Karnataka, with an area of 752 km2. Spatial data like raingauge station locations, land use and land cover, and soil texture for the study area was determined using Water Resources Information System (WRIS), Bhuvan, and Google Earth. Non-spatial data like daily rainfall was obtained from Karnataka State Natural Disaster Monitoring Centre (KSNDMC). The SCS-CN runoff curve number is one of the most widely accepted and frequently used techniques for the estimation of surface runoff. Once the yield is available, then further planning can be done for the river rejuvenation activities in the same area.