KONSTANTINOU, Aikaterini; SCOTT, Timothy; MASSELINK, Gerd; STOKES, Christopher; CONLEY, Daniel; CASTELLE, Bruno

doi:10.1142/9789811275135_0129

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Coastal Sediments 2023, 2023-04-11, New Orleans. p. 1392-1402

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Robust and accurate long-term mapping of the shoreline is a fundamental requirement for effective coastal management and policy making. Earth observation (EO) coupled with novel image analysis techniques have demonstrated the potential of EO for long-term, local, regional, and even global scale investigations of shoreline change. However, satellitederived shoreline (SDS) data is associated with large uncertainties relating to environmental factors, tidal range, and wave action among other factors. This contribution investigates the impacts of morphological and hydrodynamic setting on the accuracy of SDS in macrotidal, high-energy coasts. Results revealed significant differences in SDS accuracy between the two morphologically contrasting sites in terms of the level of error and the optimal water level correction. We show that SDS accuracy at macrotidal sites can be greatly improved by applying appropriate water level corrections and that a different approach is required depending on beach type (dissipative/reflective).< Leer menos

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https://oskar-bordeaux.fr/handle/20.500.12278/188124

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http://dx.doi.org/10.1142/9789811275135_0129

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EPOC : Environnements et Paléoenvironnements Océaniques et Continentaux - UMR 5805

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SATELLITE-BASED SHORELINE DETECTION FOR MACRO-TIDAL COASTS: IMPACTS OF MORPHOLOGICAL AND HYDRODYNAMIC SETTING

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