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Article10.3233/ajw-2004-1_1-2_09

Groundwater Flow Modeling of Gundal Sub-basin in Kabini River Basin, India

M. Sekhar,S. N. RASMI,P. V. Sivapullaiah,Laurent Ruiz-2004-01-01-Asian Journal of Water Environment and Pollution
28

TL;DRAbstract

Accurate estimation of groundwater recharge is extremely important for proper management of groundwater system especially in semi-arid regions. Many different approaches exist for estimating recharge. This study deals with groundwater modeling for assessing the groundwater balance and estimating the recharge in the Gundal sub-basin, which is located in a semi-arid portion of the Kabini river basin. A two-dimensional fully distributed groundwater model on the concept of predominantly lateral flow conceptualized as an unconfined aquifer has been used in this study. The modeling is supported through remote sensed data and GIS. The different modeling approaches used here gave consistent set of specific yield, transmissivity and rainfall recharge factor with the assumption of zero flow condition specified along the basin boundary. However, these parameters are found to be lower than what is usually known to occur in this geo-climatic context. The results of groundwater modeling, further sup

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Accurate estimation of groundwater recharge is extremely important for proper management of groundwater system especially in semi-arid regions. Many different approaches exist for estimating recharge. This study deals with groundwater modeling for assessing the groundwater balance and estimating the recharge in the Gundal sub-basin, which is located in a semi-arid portion of the Kabini river basin. A two-dimensional fully distributed groundwater model on the concept of predominantly lateral flow conceptualized as an unconfined aquifer has been used in this study. The modeling is supported through remote sensed data and GIS. The different modeling approaches used here gave consistent set of specific yield, transmissivity and rainfall recharge factor with the assumption of zero flow condition specified along the basin boundary. However, these parameters are found to be lower than what is usually known to occur in this geo-climatic context. The results of groundwater modeling, further sup

Keywords

Structural basinGroundwaterGroundwater flowHydrology (agriculture)GeologyEnvironmental scienceWater resource managementDrainage basin

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