Articles | Volume 16, issue 7
https://doi.org/10.5194/nhess-16-1629-2016
https://doi.org/10.5194/nhess-16-1629-2016
Research article
 | 
20 Jul 2016
Research article |  | 20 Jul 2016

Mangrove forest against dyke-break-induced tsunami on rapidly subsiding coasts

Hiroshi Takagi, Takahito Mikami, Daisuke Fujii, Miguel Esteban, and Shota Kurobe

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Cited articles

Alongi, D. M.: Mangrove forests: Resilience, protection from tsunamis, and responses to global climate change, Estuarine, Coast. Shelf Sci., 76, 1–13, 2008.
Arcement Jr., G. J. and Schneider, V. R.: Guide for selecting manning's roughness coefficients for natural channels and flood plains, Report No. FHWA-TS-84-204, Federal Highway Administration, 1984.
Braadbaart, O. and Braadbaart, F.: Policing the Urban Pumping Race: Industrial Groundwater Overexploitation in Indonesia, World Development, 25, 199–210, 1997.
Bricker, J. D., Gibson, S., Takagi, H., and Imamura, F.: On the need for larger Manning's roughness coefficients in depth-integrated tsunami inundation models, Coast. Eng. J., 57, 13 p., https://doi.org/10.1142/S0578563415500059, 2015.
Brinkman, J.: Jakarta Coastal Defense Strategy (JCDS) study, PPPs second workshop on Peatland subsidence and flooding modelling, Banjarmasin, Indonesia, 59–95, 2012.
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Short summary
Thin coastal dykes found in developing countries may suddenly collapse due to land subsidence, material ageing, earthquakes, a collision with vessels, etc. Such a failure could trigger a dyke-break-induced tsunami. To analyse the potential consequences of such a flooding event, a hydrodynamic model was created using the data from the authors' field surveys of a vulnerable coastal community in Jakarta. The countermeasure of using mangrove forest is also proposed to mitigate violent floods.
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