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Mapping groundwater recharge potential using GIS approach in Darwha block

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Title Mapping groundwater recharge potential using GIS approach in Darwha block
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Creator Nitin Patil, Vishnu Prakash Reddy, Anurag Patangray, Surendra Kumar Singh
 
Subject Groundwater, GIS, Remote sensing, Land use land cover, Basaltic region, Recharge potential
 
Description Not Available
Groundwater is the most important source of water in meeting irrigation, drinking, and other needs in India. The assessment of the potential zone for its recharge is critical for sustainable usage, quality management, and food security. This study reports alternative mapping of the groundwater recharge potential of a selected block by including large-scale soil data. Thematic layers of soil, geomorphology, slope, land use land cover, topographical wetness index, and drainage density of Darwha block (District
Yavatmal, Maharashtra, India) were generated and integrated in a geographic information system environment. The topographic maps, thematic maps, field data, and satellite image were processed, classified, and weighted using analytical hierarchical process for their contribution to groundwater recharge. The layers were integrated by weighted linear combination method in the GIS environment to generate four groundwater potential zones viz., Bpoor,^ Bpoor to moderate,^ Bmoderate to high,^ and Bhigh.^ Based on the generated groundwater potential map, about 9830 ha (12%) of the study area was categorized as high potential for recharge, 25,558 ha (31%) as poor to moderate, 33,398 ha (40%) as moderate to high, and 12,565 ha
(15%) as poor potential zone. The zonation corresponds well with the field data on greater well density (0.22/ha) and irrigated crop area (27%) in the high potential zone as against 0.02 wells/ha and only 6% irrigated area in the poor zone. The map is recommended for use in regulating groundwater development decisions and judicious expenditure on drilling new wells by farmers and the state authorities
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Date 2024-07-01T10:56:31Z
2024-07-01T10:56:31Z
2018-01-03
 
Type Research Paper
 
Identifier Nitin Patil, Vishnu Prakash Reddy, Anurag Patangray, Surendra Kumar Singh
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http://krishi.icar.gov.in/jspui/handle/123456789/83819
 
Language English
 
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Publisher Not Available