Articles | Volume 26, issue 4
Hydrol. Earth Syst. Sci., 26, 903–921, 2022
https://doi.org/10.5194/hess-26-903-2022
Hydrol. Earth Syst. Sci., 26, 903–921, 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 et al.

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Interactive discussion

Status: closed

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on hess-2021-300', Anonymous Referee #1, 23 Jul 2021
    • AC1: 'Reply on RC1', Md Feroz Islam, 23 Aug 2021
  • RC2: 'Comment on hess-2021-300', Anonymous Referee #2, 18 Sep 2021
    • AC2: 'Reply on RC2', Md Feroz Islam, 15 Oct 2021
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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.