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World Journal of Engineering
Research and Technology

( An ISO 9001:2015 Certified International Journal )

An International Peer Reviewed Journal for Engineering Research and Technology

ISSN 2454-695X

Impact Factor : 5.924

ICV : 79.45

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Indexing

Abstract

GROUNDWATER RECHARGE STUDIES IN HANUR WATERSHED, KOLLEGAL TALUK, CHAMARAJANAGAR DISTRICT, KARNATAKA STATE, INDIA, USING REMOTE SENSING AND GIS

Siddaraju K.* and P. Madesh

ABSTRACT

Changes in groundwater storage involve various recharge and discharge processes. Major recharge sources are rainfall, recharge from rivers, tanks, irrigation fields, ponds, wetlands, etc. Similarly, discharge processes include evapotranspiration, pumping, base flow to rivers, etc. Groundwater resource estimation studies in Hanur Watershed of Kollegal Taluk, Chamarajanagar District, are the drought-prone area, the average rainy days are 49 (as per Chamarajanagar district glance book 2017-18). The Hanur watershed area receives an average annual rainfall of 571.56 mm. (2001-2018). Groundwater is the major source of drinking and irrigation purposes in present study area. The increasing population and agricultural growing demands of threatens the sustainability of water resources. The recharge of groundwater mainly depends on geology formation, soils, geomorphology, and slope of the study area maps are prepared for using IRS-1C and 1D PAN+LISS III (the Year2005 with the resolution of 26 meters) were overlaid on Survey of India (SOI) toposheets on1:50,000 scale constructed through visual interpretation and using Arc Map (V 10.21) and Erdas Imagine 9.2 software. Hence, the groundwater estimation of resources and status in groundwater development in Hanur Watershed is carried out utilizing the Remote Sensing and GIS techniques & Coupled with fieldwork. The groundwater resources were evaluated based on the Groundwater Resource Estimation Committee (GEC) norms of 1997.

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