Integrated geographical information system (GIS)-based decision support system (DSS) approach to identify the site-specific water conservation structures in a watershed of Nagpur district, Central India

Identification of appropriate sites for water conservation is an important step towards maximizing the water availability in semi-arid areas. However, selection of such sites poses a great challenge due to non-consideration of various interrelated controlling factors in the currently adopted practices. In view of this, an attempt has been made here to employ Geographical Information System (GIS) technique for a watershed development program by following a multidisciplinary approach. Integrated analysis of all thematic maps and their respective weightage in GIS platform have evolved a map showing potential zones for water conservation structures and their appropriate measures. Finally, different water conservation structures and measures are recommended for an effective site-specific water conservation plan of the study area. Implementation of this plan will not only help to arrest the free flow of runoff water but also result in the additional groundwater recharge, thus significantly minimizing the water scarcity problems.