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Global coastal wave storminess
Lobeto, H.; Semedo, A.; Lemos, G.; Dastgheib, A.; Menendez, M.; Ranasinghe, R.; Bidlot, J.-R. (2024). Global coastal wave storminess. NPG Scientific Reports 14(1): 3726. https://dx.doi.org/10.1038/s41598-024-51420-0
In: Scientific Reports (Nature Publishing Group). Nature Publishing Group: London. ISSN 2045-2322; e-ISSN 2045-2322, more
Peer reviewed article  

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Authors  Top 
  • Lobeto, H.
  • Semedo, A.
  • Lemos, G.
  • Dastgheib, A., more
  • Menendez, M.
  • Ranasinghe, R.
  • Bidlot, J.-R.

    Coastal wave storms pose a massive threat to over 10% of the world’s population now inhabiting the low elevation coastal zone and to the trillions of $ worth of coastal zone infrastructure and developments therein. Using a ~ 40-year wave hindcast, we here present a world-first assessment of wind-wave storminess along the global coastline. Coastal regions are ranked in terms of the main storm characteristics, showing Northwestern Europe and Southwestern South America to suffer, on average, the most intense storms and the Yellow Sea coast and the South-African and Namibian coasts to be impacted by the most frequent storms. These characteristics are then combined to derive a holistic classification of the global coastlines in terms of their wave environment, showing, for example, that the open coasts of northwestern Europe are impacted by more than 10 storms per year with mean significant wave heights over 6 m. Finally, a novel metric to classify the degree of coastal wave storminess is presented, showing a general latitudinal storminess gradient. Iceland, Ireland, Scotland, Chile and Australia show the highest degree of storminess, whereas Indonesia, Papua-New Guinea, Malaysia, Cambodia and Myanmar show the lowest.

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