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Hurricane wind and storm surge effects on coastal bridges under a changing climate

Snaiki Reda, Wu Teng, Whittaker Andrew S. et Atkinson Joseph F.. (2020). Hurricane wind and storm surge effects on coastal bridges under a changing climate. Dans : Proceedings of Transportation Research Board (TRB) 99th Annual Meeting , Jan 12-16, 2020, Washington, D.C, USA..

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Résumé

Hurricanes and their cascading hazards have been responsible for widespread damage to life and property, and are the largest contributor to insured annual losses in coastal areas of the U.S.A. Such losses are expected to increase because of changing climate and growing coastal population density. An effective methodology to assess hurricane wind and surge hazard risks to coastal bridges under changing climate conditions is proposed. The influence of climate change scenarios on hurricane intensity and frequency is explored. A framework that couples the hurricane tracking model (consisting of genesis, track, and intensity) with a height-resolving analytical wind model and a newly developed machine learning-based surge model is used for risk assessment. The proposed methodology is applied to a coastal bridge to obtain its traffic closure rate resulting from the observed (historical) and future (projected) hurricane winds and storm surges, demonstrating the effects of changing climate on the civil infrastructure in a hurricane-prone region.

Type de document:Matériel de conférence (Non spécifié)
Date:2020
Sujets:Sciences naturelles et génie
Sciences naturelles et génie > Génie
Sciences naturelles et génie > Sciences appliquées
Sciences naturelles et génie > Sciences naturelles > Sciences de la terre (géologie, géographie)
Département, module, service et unité de recherche:Départements et modules > Département des sciences appliquées
Mots-clés:Climate change, risk analysis, wind hazard, storm surge hazard, closure rate, changement climatique, analyse des risques, risque de vent, risque d'onde de tempête, taux de fermeture
Déposé le:18 févr. 2021 20:53
Dernière modification:18 févr. 2021 20:53
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