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DOI: https://doi.org/10.4491/eer.2019.251
Computational water management strategy of Tlawng River Basin using geo informatics
Lalhmingliana 1, Ch.Udaya Bhaskara Rao2, and Goutam Saha3
1Department of Computer Engineering, Mizoram University, Aizawl 796004
2Department of Geography and Resource Management, Mizoram University, Aizawl 796004.
3Department of Information Technology, N.E.H.U, Shillong, Meghalaya 793022
Corresponding Author: Ch.Udaya Bhaskara Rao ,Tel: +91-9436352455, Email: chegondiu@yahoo.co.in
Received: June 14, 2019;  Accepted: September 22, 2019.
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Aizawl city is experiencing seasonal water scarcity. Tlawng is the longest River in Mizoram which flows for about 234 km length in Mizoram in south - north direction and joins the River Barak in Cachar district of Assam state. As Tlawng River is close to the Aizawl city, it will be wise to make some safe and durable strategy for storing rain water safely in predefined reservoirs and use it during hour of needs for domestic and agricultural purposes. In fact, Aizawl city is located within the Tlawng River basin at an average elevation of about 1,200 metres above mean sea level. An attempt has been made in this study for identification of feasible sites for construction of water reservoirs at appropriate locations based on the integration of thematic data on slope, flow accumulation, lithology, drainage density, lineament density and lineament direction using the advanced tools of ArcGIS software. Thirty two ideal sites have been identified in the vicinity of Aizawl city based on the multi-criteria evaluation of the thematic layers.
Keywords: Flow accumulation | Flow direction | Geo-informatics | Reservoirs | Thematic data
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