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Poster De Conférence Année : 2019

Multidisciplinary expertise of historical information for the characterization of water levels during storm and coastal flooding events

Résumé

As a starting point, the database called TEMPETES ET SUBMERSIONS HISTORIQUES (“Historic Storms and Floodings”) was previously created by IRSN and has been provided to the WG members. This database aims at inventorying qualitative and quantitative information on storms and/or floodings that occurred on the English Channel and Atlantic coastlines. Currently, over 1500 sources describing more than 750 events are outlined for the period from the 16th century up to now. Thanks to ongoing research projects and studies carried out by WG members this database is continuously enriched by new sources and events. In addition to the events themselves, water and surge levels are important variables of interest for the WG members. Regularly, these values are not directly obtained from the available sources in the database. In this latter case, a multidisciplinary expertise of the historical information has to be performed to estimate water levels reached during storm and flooding events. Considering all the available information in the database as well as complementary data (such as historic city maps, sketches, profiles of the flooded dikes, historical local press, etc.), storm sheets are elaborated, in order to characterize storms individually. These storm sheets provide a synthesis of different reconstructed water levels (maximum water level, surges…) reached during one event for the different impacted cities and an illustration of the different sources used for the reconstructed levels
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Dates et versions

hal-03473409 , version 1 (09-12-2021)

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Identifiants

  • HAL Id : hal-03473409 , version 1

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Nathalie Giloy, Claire Marie Duluc, Roberto Frau, Yann Ferret, Thomas Bulteau, et al.. Multidisciplinary expertise of historical information for the characterization of water levels during storm and coastal flooding events. Advances in Extreme Value Analysis and Application to Natural Hazards, EVAN 2019, Sep 2019, CHATOU, France. 2019. ⟨hal-03473409⟩
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