Groundwater Recharge Modeling at Godagari using the Soil and Water Assessment Tool (SWAT)
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Accurately assessing groundwater recharge is vital for effective water resource management, especially in low rainfall regions facing declining groundwater levels. This project developed a SWAT model in Godagari, northern Bangladesh, to estimate groundwater recharge from 1991 to 2022, using various geographical and climatic data. The model revealed that only 119.01 mm of the average annual rainfall of 1272.72 mm recharges the groundwater, with simulated annual recharge ranging from 83.89 to 194.78 mm. The model showed satisfactory performance, indicating SWAT's effectiveness in assessing groundwater recharge and informing sustainable water management policies like zoning and water harvesting.
