Abstract

The paper presents semi-analytical mathematical model to estimate unsteady groundwater recharge resulting from variable depth of water in a large water body, influenced by time variant inflows and outflows. The model has been derived by integrating Hantush’s (1967) analytical expression for water table rise due to recharge from a rectangular spreading basin into the water balance equation of the water body. The model has been applied to a test study site in Raipur (India) for assessing viability of Managed Aquifer Recharge (MAR) from a lake located on an area dominated by the massive limestone formation. The components of the water balance equation have been carried out by the comprehensive analysis of the hydrological and hydrogeological aspects of the lake. The hydrological components include

Boisson, A. , Sprenger, C. , Lakshmanan, E. , Picot-Colbeaux, G. , Ghosh, N. C. , Ahmed, S. , Kumar, S. , Singh, S. , Thirunavukkarasu, M. (2013): Documentation of acquired data and conceptual model of MAR impact input for WP5 modelling.

Bureau de recherches géologiques et minières, Freie Universität Berlin, Kompetenzzentrum Wasser Berlin gGmbH

Abstract

This report aims at documenting the scientific evidence at 4 managed aquifer recharge (MAR) sites in India after 18 months duration of the EU (European Union) funded project SAPH PANI. The site investigations include compilation of previously existing data, a wide range of field experiments, surface-/groundwater and sediment sampling, data analysis, interpretation and the development of (preliminary) conceptual models. The MAR sites are realised under a wide range of geological and hydrological conditions and the covered aspects can be summarised as:…

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