Morphological response to dredging of the Upper Gorai River

The Gorai River is a tributary of the Ganges River and is the only river in the Southwest region of Bangladesh, which provides fresh water from upstream. In the past decades the flows in the Gorai River have been decreasing. From 1988 on, the flows in the lean season were even reduced to zero, due to heavy sedimentation in the off-take. In 1996...