Drawing the line on coastline recession risk

Jongejan, Ruben, Ranasinghe, Roshanka, Wainwright, David, Callaghan, David P. and Reyns, Johan (2016) Drawing the line on coastline recession risk. Ocean and Coastal Management, 122 87-94. doi:10.1016/j.ocecoaman.2016.01.006

Author Jongejan, Ruben
Ranasinghe, Roshanka
Wainwright, David
Callaghan, David P.
Reyns, Johan
Title Drawing the line on coastline recession risk
Journal name Ocean and Coastal Management   Check publisher's open access policy
ISSN 0964-5691
Publication date 2016-03-01
Year available 2016
Sub-type Article (original research)
DOI 10.1016/j.ocecoaman.2016.01.006
Open Access Status Not Open Access
Volume 122
Start page 87
End page 94
Total pages 8
Place of publication Bromley, United Kingdom
Publisher Elsevier
Language eng
Subject 1910 Oceanography
1104 Aquatic Science
2308 Management, Monitoring, Policy and Law
Abstract Climate change and the growth of coastal communities will significantly increase the socio-economic risks associated with coastline recession (i.e. the net long term landward movement of the coastline). Coastal setback lines are a commonly adopted management/planning tool to mitigate these risks. While it is widely recognized that planning decisions should be risk-informed, setback lines are presently determined using deterministic methods that cannot easily be related to considerations regarding the tolerability of risks. Here, we present a model for quantifying the risks posed by coastline recession and show how it can be used for deriving economically optimal setback lines. A demonstration at Narrabeen beach, Sydney, Australia illustrates that the proposed risk-informed approach to coastal zone management can significantly improve the transparency and efficiency of land-use planning decisions.
Keyword Coastal risk
Quantitative risk analysis
Risk decision making
Risk management
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: School of Civil Engineering Publications
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