Computer Based Aquifer Modelling of Groundwater Resources: A Case Study in Barind Tract, Bangladesh - Tapa blanda

Sinopsis

The Barind Tract, is one of the most diversified physiographic unit and over exploitation indicates falling groundwater heads in this area. So, to assess the sustainability of this yield it is necessary to examine carefully the nature of the aquifer system. In this connection borehole, groundwater level fluctuation, hydrographs of river stage & meteorological data have been processed & analysed to study the aquifer characteristics. In this book, three subsurface geologic formations are clearly identified of the study area. Representative panel diagram, 3-D stratigraphic & cross-sectional views are also prepared. Different maps have been prepared to identify the geometry of the aquifer system. Water head position contour map of dry and wet seasons have been prepared and presented. The annual average head difference of groundwater map is also studied. The rainfall, evaporation, temperature and humidity maps are presented. The river water hydrographs have been studied. The aquifer property of the study area has been estimated. The potential index map has also been prepared. The annual recharge and discharge of groundwater reservoir during the period 2000-07 have been also estimated.

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