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Numerical Model Study of Groundwater Movement in an Aquifer of Bangladesh

by Shabbir Ahmed, City Univ of New York, United States,
Jahir Uddin Chowdhury, City Univ of New York, United States,



Document Type: Proceeding Paper

Part of: Optimizing the Resources for Water Management

Abstract:

Annual groundwater level variation in the aquifer of the Mymensingh-Tangail area of Bangladesh was simulated by applying an implicit finite-difference model of groundwater flow. The groundwater level variation in the aquifer was investigated for time-varying withdrawal by pumping wells in the study area for the period 1979-'80 and 1982-'83. The recharge to the aquifer was determined by the calibration process. Total recharge in the model area was found to be less than the total actual withdrawal in 1982-'83. The groundwater levels during 1982-'83 were found to decrease from the groundwater levels during 1979-'80. This was due to the higher withdrawal volume of 1405.7 million m³ in 1982-'83 than that of 575 million m³ in 1979-'80.

Subject Headings: Groundwater flow | Numerical models | Water level | Groundwater | Developing countries | Simulation models | Numerical analysis | Bangladesh | Asia

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