Articles | Volume 26, issue 4
https://doi.org/10.5194/hess-26-903-2022
https://doi.org/10.5194/hess-26-903-2022
Research article
 | 
18 Feb 2022
Research article |  | 18 Feb 2022

Physical controls and a priori estimation of raising land surface elevation across the southwestern Bangladesh delta using tidal river management

Md Feroz Islam, Paul P. Schot, Stefan C. Dekker, Jasper Griffioen, and Hans Middelkoop

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Short summary
The potential of sedimentation in the lowest parts of polders (beels) through controlled flooding with dike breach (tidal river management – TRM) to counterbalance relative sea level rise (RSLR) in 234 beels of SW Bangladesh is determined in this study, using 2D models and multiple regression. Lower beels located closer to the sea have the highest potential. Operating TRM only during the monsoon season is sufficient to raise the land surface of most beels by more than 3 times the yearly RSLR.