Flood Management in Watershed: An Approach to Crop Production Risk Management in Bangladesh with Hydraulic and GIS Modeling

Baky, Md. Abdullah Al, Zaman, Asif M., Khan, Amanat Ullah

ISBN 10: 3659362972 / ISBN 13: 9783659362972

Published by LAP LAMBERT Academic Publishing, 2013

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Bibliographic Details

• Title: Flood Management in Watershed: An Approach to Crop Production Risk Management in Bangladesh with Hydraulic and GIS Modeling
• Publisher: LAP LAMBERT Academic Publishing
• Publication Date: 2013
• Language: English
• ISBN 10: 3659362972
• ISBN 13: 9783659362972
• Binding: Paperback
• Condition: Like New
• Book Type: book

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Synopsis

Shariatpur District, in Bangladesh is surrounded by the two big rivers, Padma at north and the Meghna at eastern side. When the two rivers attain peak flood levels simultaneously, this district faces devastating floods. These floods have a destructive effect on agriculture especially on Aman variety up to certain level of flood depth but also have a positive impact on following year’s Boro production. So there is a scope of managing flood flows towards crop production risk management. The present study provides a method for flood management to help with crop production risk management. HEC-RAS, statistical analysis and GIS model were carried out for finding inundation maps, optimum flood depth and volume of water respectively. The study findings show that, the optimal flood depth is 1.85m (msl) in where Boro production would be safe and Aman production would face about 200 ton/yr loss. This study also find two equations that provide estimation of Mawa discharge depending on two upstream stations (Hardings Bridge and Bahadurabad Ghat) and targeted discharge of Mawa that needs to release from Mawa to the study area towards ensuring the optimum flood depth.

About the Author

Md. Abdullah Al graduated from the University of Dhaka, in Geography and Environment and also completed a PG.Dp on Water Resource Development at IWFM, BUET. From 1st March 2012 he is holding a faculty position at the Dept. of Geography and Environment, Jagannath University. Before that, he worked as a Senior Sector Specialist at DECC program, BRAC.