Geoinformatics in water scarcity management by suggest nala band & reservoir: Part of dwarkeswar watershed, West Bengal, India

Water is the greatest gift of nature. But, unfortunately the humans are using that gift wastefully. The villages of the study area are fast heading towards a water crisis. The most part of the area have traditionally relied on local rainfall for meeting the water requirements for drinking, washing and other purposes and for agriculture. Its’ shortage is likely to be so acute that the future may fought on sharing of water resources among various villages. Geoinformatics use in Micro Watershed Management can provide the appropriate platform for convergence of multidisciplinary data from various sources for appropriate planning. Remotely sensed data provides valuable and up-to-date spatial information on natural resources and physical terrain parameters. Geographical Information System (GIS) with its capability of integration and analysis of spatial, aspatial, multi-layered information obtained in a wide variety of formats both from remote sensing and other conventional sources has proved to be an effective tool in planning for micro-watershed development. In this study remote sensing and GIS has been applied to identify the natural resources management problems and to generate locale specific micro-watershed development plans. Micro watershed management through the remote Sensing and GIS based methodology is developed and tested for the evaluation of the water resources of Dungra watershed part of the Dwarkeswar river. The present study reveals the availability of water is quite less on the surface as well as at sub surface. The ground water level is more than 100 meters from sea level and even more than 200 meters also at some places. The rainfall is varying between 105 to 115 cm per year and maximum of which are drained down slope just immediately after the rain, and so availability of surface water is quite less. The reddish yellow soil is not very fertile and due to less availability of water productivity is less and land use shows a maximum part of the study area is fallow land. To ensure availability of surface water and to facilitate recharge of ground water construction of check dam seems to be essential.