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River Water Resource Management and Flood Control Using GIS

2020; Springer Nature; Linguagem: Inglês

10.1007/978-981-15-8293-6_32

2366-2557

Jyoti Kumari, Kohima Dessai, Zwegal Wynne Cardozo, Blacinta Pereira, Rhea Fernandes, Annapurna Sakhardande, S.J. Fr. Oswald A. J. Mascarenhas,

Water Systems and Optimization

Inappropriate flood mitigation strategies together with uncertainties in monsoon have led to two extremes, namely—droughts and floods in various parts of the globe. Authors of this paper have tried to approach this problem in way, so as to provide a sustainable solution in the domain of flood control system. Low lying areas in Quepem Taluka of South Goa along the bank of River Kushavati get submerged during peak monsoon. This makes it difficult for the locals to commute. The problem here gets magnified annually since silting due to floods makes river shallow. In this paper, authors have carried out studies by understanding the topography and nature of soil. Contours were obtained along with settlement areas to identify areas at lower elevation which would serve as potential relief areas. These areas can be used to detain water near most affected or critical areas. Water harvesting and groundwater recharge methods are proposed along with ponds and trench that will detain excessive downpour.