Journal cover Journal topic
Natural Hazards and Earth System Sciences An interactive open-access journal of the European Geosciences Union
doi:10.5194/nhess-2017-148
© Author(s) 2017. This work is distributed
under the Creative Commons Attribution 3.0 License.
Research article
25 Apr 2017
Review status
This discussion paper is under review for the journal Natural Hazards and Earth System Sciences (NHESS).
Assessing storm surge hazard and impact of sea level rise in Lesser Antilles-Case study of Martinique
Yann Krien1, Bernard Dudon1, Jean Roger1,2, Gaël Arnaud1, and Narcisse Zahibo1 1Laboratoire de Recherches en Géosciences, Université des Antilles, Guadeloupe, 97157, France
2G-Mer Etudes Marines, Guadeloupe, 97118, France
Abstract. In the Lesser Antilles, coastal inundations from hurricane-induced storm surges cause great threats to lives, properties, and ecosystems. Assessing current and future storm surge hazard with sufficient spatial resolution is of primary interest to help coastal planners and decision makers develop mitigation and adaptation measures. Here, we use wave-current numerical models and statistical methods to investigate worst case scenarios and 100-year surge levels for the case study of Martinique, under present climate or considering a potential sea-level rise. Results confirm that the wave setup plays a major role in Lesser Antilles, where the narrow island shelf impedes the piling-up of large amounts of wind-driven water on the shoreline during extreme events. The radiation stress gradients thus contribute significantly to the total surge, up to 100 % in some cases. The non-linear interactions of sea level rise with bathymetry and topography are generally found to be relatively small in Martinique, but can reach several tens of centimeters in low-lying areas where the inundation extent is strongly enhanced compared to present conditions. These findings further emphasize the importance of waves for developing operational storm surge warning systems in the Lesser Antilles, and encourage caution when using static methods to assess the impact of sea level rise on storm surge hazard.

Citation: Krien, Y., Dudon, B., Roger, J., Arnaud, G., and Zahibo, N.: Assessing storm surge hazard and impact of sea level rise in Lesser Antilles-Case study of Martinique, Nat. Hazards Earth Syst. Sci. Discuss., doi:10.5194/nhess-2017-148, in review, 2017.
Yann Krien et al.
Yann Krien et al.
Yann Krien et al.

Viewed

Total article views: 265 (including HTML, PDF, and XML)

HTML PDF XML Total BibTeX EndNote
222 36 7 265 1 7

Views and downloads (calculated since 25 Apr 2017)

Cumulative views and downloads (calculated since 25 Apr 2017)

Viewed (geographical distribution)

Total article views: 265 (including HTML, PDF, and XML)

Thereof 262 with geography defined and 3 with unknown origin.

Country # Views %
  • 1

Saved

Discussed

Latest update: 29 May 2017
Publications Copernicus
Download
Share