Long-term bar dynamics using satellite imagery: A case study at Anmok beach, South Korea

Panagiotis Athanasiou, Wiebe de Boer, Pieter Koen Tonnon, Jeseon Yoo, Matthieu de Schipper, Sierd de Vries, Roshanka Ranasinghe, Ad Reniers

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Nearshore sandbar patterns can affect the hydrodynamics and, as a result, the beach morphodynamics in the nearshore zone. Hence, spatial and temporal variability in the sandbars can influence beach accretion and erosion. Understanding the variability of the sandbar system can therefore be crucial for informed coastal zone management. So far, the methods to study sandbar dynamics mainly include datasets of video observations or occasional bathymetric surveys. However, at most locations around the world, these types of data are not or only scarcely available. In this paper we present an alternative method to analyze long-term sandbar variability by means of freely available satellite imagery. These images are globally available since the 1980’s and, thus, have the potential to be applicable at any location in the world. Here, we will illustrate the methodology by means of a case study at Anmok beach at the South Korean East coast.
Original languageEnglish
Number of pages1
JournalProceedings of the Coastal Engineering Conference
Issue number2018
Publication statusPublished - 2018
Event36th International Conference on Coastal Engineering, ICCE 2018: The Present State of the Art and Science of Coastal Engineering - Baltimore Mariott Waterfront Hotel, 700 Aliceanna Street, Baltimore, MD 21202, Baltimore, United States
Duration: 30 Jul 20183 Aug 2018
Conference number: 36


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