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GIS modeling of wave exposure at the seabed: a depth-attenuated wave exposure model / T. Bekkby in Marine geodesy, vol 31 n° 2 (June - September 2008)  

Public [article]  inMarine geodesy > vol 31 n° 2 (June - September 2008) . - pp 117 - 127 Titre : GIS modeling of wave exposure at the seabed: a depth-attenuated wave exposure model Type de document : Article/Communication Auteurs : T. Bekkby, Auteur ; E. Isachsen, Auteur ; et al., Auteur Année de publication : 2008 Article en page(s) : pp 117 - 127 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Applications SIG [Termes IGN] eaux côtières [Termes IGN] faune aquatique [Termes IGN] modèle océanographique [Termes IGN] océanographie spatiale [Termes IGN] profondeur [Termes IGN] relief sous-marin [Termes IGN] Stockholm (Suède) [Termes IGN] substrat [Termes IGN] système d'information géographique [Termes IGN] vague Résumé : (Auteur) Several studies have documented relationships between wave exposure and distribution, density, and size of marine species. Hence, this factor is at a high level in the hierarchical habitat classification system EUNIS and is one of the Water Framework Directive water typology criteria of coastal waters. Isaeligus (2004) has developed a continuous simplified wave model (SWM) that has been applied to several Nordic countries. Here we refine this model by introducing depth-attenuation, giving us the advantage of a model for wave exposure as it will actually work at the seabed. The values of the depth-attenuated model SWM(d) are approximately similar to the SWM model in shallow areas but noticeably lower in deep areas. The two models were compared in an analysis of the distribution of seabed substrate in the Stockholm archipelago. Using the depth-attenuated wave exposure instead of the SWM model as predictor in substrate modeling improved these models considerably. Copyright Taylor & Francis Numéro de notice : A2008-497 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Article DOI : 10.1080/01490410802053674 En ligne : https://doi.org/10.1080/01490410802053674 Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=29566 [article]

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