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Article

Financial Benefits of Mangroves for Surge Prone High-Value Areas

Department of Hydraulic Engineering, Delft University of Technology, PO Box 5048, NL2600GA Delft, The Netherlands
Water 2019, 11(11), 2374; https://doi.org/10.3390/w11112374
Received: 9 August 2019 / Revised: 14 October 2019 / Accepted: 6 November 2019 / Published: 13 November 2019
(This article belongs to the Special Issue Nature-Based Solutions for Coastal Engineering and Management)
In this paper, protection options for a high-value, industrial area along the coast of West Bengal (India) are investigated. The options are designed to protect against cyclone surges with a probability of 1/100 per year. Two alternatives are compared, a classical solution of a dike with a revetment and a solution with a mangrove belt in front of the dike. The results reveal that from a pure infrastructural cash-flow point-of-view, the mangrove solution is at least 25% cheaper than the classical solution with a rock revetment. An important finding is that this conclusion does not need the financial evaluation of the obvious additional ecological advantages that mangroves offer. It is postulated that these results are generally valid for high-value coastal areas under the attack of waves during storm surges. View Full-Text
Keywords: mangrove; sea defence structure; levee; dike; overtopping; storm surge; cyclone surge mangrove; sea defence structure; levee; dike; overtopping; storm surge; cyclone surge
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MDPI and ACS Style

Verhagen, H.J. Financial Benefits of Mangroves for Surge Prone High-Value Areas. Water 2019, 11, 2374. https://doi.org/10.3390/w11112374

AMA Style

Verhagen HJ. Financial Benefits of Mangroves for Surge Prone High-Value Areas. Water. 2019; 11(11):2374. https://doi.org/10.3390/w11112374

Chicago/Turabian Style

Verhagen, Henk J. 2019. "Financial Benefits of Mangroves for Surge Prone High-Value Areas" Water 11, no. 11: 2374. https://doi.org/10.3390/w11112374

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