An innovative approach to determine economically optimal coastal setback lines for risk informed coastal zone management

Conference paper (2012)

Authors

R. Ranasinghe

R.B. Jongejan

D. Callaghan

J.K. Vrijling

Department

Hydraulic Engineering () (TU Delft)

Sea level rise Coastal zone management Coastal risk assessment Setback lines Coastal recession

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Published Date

20-02-2012

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Source:

COPEDEC 2012: Proceedings of the 8th International Conference on Coastal and Port Engineering in Developing Countries, Chennai, India, 20-24 February 2012

Faculty

Civil Engineering and Geosciences

Department

Hydraulic Engineering

Abstract

Current methods used to determine Coastal setback lines have several limitations. Furthermore, the historical practice of defining setback lines based on a single deterministic estimate is also proving inadequate with the emergence of risk management style coastal planning frameworks which require probabilistic estimates of coastal recession. This paper describes an innovative approach for the determination of the economically optimal coastal setback line which combines an economic risk model and a process based, probabilistic coastal setback line model. It is anticipated that this new approach is highly suitable to provide vital information for risk informed coastal zone management.

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