Estimation of Groundwater Balance Using Soil-Water-Vegetation Model and GIS

Samanpreet Kaur (), Rajan Aggarwal (), S Jalota (), Bharat Vashisht () and Prit Lubana ()

Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), 2014, vol. 28, issue 12, 4359-4371

Abstract: This study concerns the development of a methodology using modern techniques of data generation (Modeling) and interpretation (GIS) to compute groundwater plausibly at regional scale, alternate to previously established norms. The approach is centered on quantitative estimation of two main parameters-input and output. GIS techniques along with soil vegetation model (CropSyst) have been demonstrated for the calculation of groundwater balance components. Using the developed methodology water resources of the Ludhiana district for the period between, 2000 and 2010 were estimated. The temporal changes in water balance components indicated that the major inputs to the hydrologic system are rainfall and canal water and the major out component are evapotranspiration (ET). Multi-annual (2000 to 2010) average of 719 mm rainfall, 88 mm canal water, 74 mm of groundwater inflow, with annual loss 974 mm as ET, caused 123 mm of net negative groundwater recharge in Ludhiana district. The annual computed rise/fall with the developed methodology closely matched the observed values. Copyright Springer Science+Business Media Dordrecht 2014

Keywords: Groundwater balance; CropSyst; GIS (search for similar items in EconPapers)
Date: 2014
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DOI: 10.1007/s11269-014-0756-2

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