Environmental Studies and Forestry

Mangrove forests can be an effective coastal defence in the Pearl River Delta, China

M. D. Dominicis, J. Wolf, et al.

This groundbreaking research by Michela De Dominicis, Judith Wolf, Rosanna van Hespen, Peng Zheng, and Zhan Hu explores how mangrove wetlands in the Pearl River Delta provide vital coastal protection during severe typhoons like Hato. The findings reveal the crucial role of vegetation layout in water level management, highlighting the need for strategic design to maximize ecological benefits.

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Abstract

This study uses numerical modeling to investigate the coastal protection provided by mangrove wetlands in the Pearl River Delta, China, during strong typhoons like Hato (2017). The research finds that mangrove water level attenuation is most effective during extreme water level conditions, and that variations in mangrove forest properties significantly influence their protective function. Wide vegetation patches with high drag are most effective for local attenuation, while narrower patches can still provide upstream attenuation if strategically located in upper estuary channels. Careful design is crucial to avoid water level amplification in other delta areas.

Publisher

Communications Earth & Environment

Published On

Jan 07, 2023

Authors

Michela De Dominicis, Judith Wolf, Rosanna van Hespen, Peng Zheng, Zhan Hu

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