Water resources conservation plan for Rangapur watershed in middle Krishna basin in raichur district of karnataka using remote sensing and GIS
2015
Kurdi, Mallika (University of Agricultural Sciences, Karnataka (India). College of Agricultural Engineering, Department of Soil and Water Engineering) | Maheshwara, Babu Banda (University of Agricultural Sciences, Karnataka (India). College of Agricultural Engineering, Department of Soil and Water Engineering) | Srinivasa, Reddy Gejjala Venkataravanappa (University of Agricultural Sciences, Karnataka (India). College of Agricultural Engineering, Department of Soil and Water Engineering) | Polisgowdar, Basavaraj Shivanagouda (University of Agricultural Sciences, Karnataka (India). College of Agricultural Engineering, Department of Soil and Water Engineering) | Rajesh, Neralikere (University of Agricultural Sciences, Karnataka (India). College of Agricultural Engineering, Department of Soil science and Agricultural chemistry)
The study area Rangapur watershed covers an area of about 2079 ha, is one of the drought prone areas in the middle Krishna Basin in Raichur district of Karnataka. An attempt is made to suggest location priority plan for the sustainable development of the area using GIS and remote sensing techniques. The IRS P6 LISS III imagery was used for the preparation of land use/land cover and hydrogeomorphology maps. Geologically most of the watershed is covered by the rocks of Archean age i.e. granite gneiss. The major geomorphic units mapped in the area are shallow weathered pediplain, moderately weathered pediplain and structural valley. Among all, shallow weathered pediplain cover most part of the area. Arc Hydrology model of Arc GIS 10 version was used to propose various soil moisture conservation and water harvesting structures. From the results 22 nala bunds, 34 check dams and 141 boulder checks were suggested at different locations across streams. Thus it is recommended that water harvesting should be given importance to increase the groundwater recharge besides providing supplementary irrigation during rabi season.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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