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Identification of suitable zones and sites for rainwater harvesting using GIS and multicriteria decision analysis

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Title Identification of suitable zones and sites for rainwater harvesting using GIS and multicriteria decision analysis
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Creator A. M. Waghaye
D. K. Singh
A. Sarangi
D. R. Sena
R. N. Sahoo
Susheel Kumar Sarkar
 
Subject Analytic hierarchy process
Geographic information system
NRCS-CN method
Rainwater harvesting potential zones
Runoff coefficient
 
Description Not Available
Identifying suitable zones for surface water storage and groundwater recharge is needed to enhance irrigation water availability. This study was undertaken to map rainwater harvesting (RWH) potential zones using geospatial tools and analytic hierarchy process (AHP). The suitable locations for RWH were also mapped using the Boolean logic concept. The surface runoff is a vital factor to demarcate the appropriate zones for RWH. The curve number approach was used to estimate the surface runoff potential. The runoff coefficient (RC) map was generated based on rainfall and surface runoff depth. Weights have been allocated to selected themes of RC, drainage density, and slope. The themes were integrated using geographic information system (GIS) and AHP to demarcate the suitable zones for RWH. The derived RWH potential map was categorized into zones like “very good,” “good,” “moderate,” “poor,” and “very poor” with an aerial extent of 14.3%, 24.7%, 28.3%, 20.2%, and 12.6%, respectively. The area suitable for farm ponds was found to be about 9% (408 km2), 13% (329 km2), and 4% (244 km2) in Mirzapur, Chandauli, and Sonbhadra districts, respectively. Furthermore, 22, 15, and 21 locations were found suitable for check dams in Mirzapur, Chandauli, and Sonbhadra districts, respectively. At a large scale, effective planning of water management strategies based on multicriteria decision analysis and GIS offers increased availability of surface and groundwater resources and may help for enhancing the agricultural land use options. The higher resolution maps may be further utilized to plan RWH strategies at village level.
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Date 2023-01-19T08:56:10Z
2023-01-19T08:56:10Z
2023-01-07
 
Type Research Paper
 
Identifier Waghaye, A.M., Singh, D.K., Sarangi, A. et al. Identification of suitable zones and sites for rainwater harvesting using GIS and multicriteria decision analysis. Environ Monit Assess 195, 279 (2023). https://doi.org/10.1007/s10661-022-10801-6
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http://krishi.icar.gov.in/jspui/handle/123456789/75550
 
Language English
 
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Publisher Not Available