Beach Monitoring and Beach Management of Gangwon Coast

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Abstract

IN HO, K and JUNG LYUL, L., 2011. Beach Monitoring and Beach Management of Gangwon coast. In: Micallef, A. (ed.), MCRR3-2010 Conference Proceedings, Journal of Coastal Research, Special Issue, No. 61, pp. 8-13. Grosseto, Tuscany, Italy, ISSN 0749-0208. A periodic and long-term beach monitoring and diagnostic system is developed for the design and assessment of coastal development plans at coastal zones of Gangwon Province. Nearly 300km shoreline appears along the east coast of Gangwon Province. A few beaches are under the control of military forces to keep citizens away. The coastal zone named Donghaean is composed of three major watershed zones. The beaches in this area are heavily influenced by the presence of coastal prevention projects including groins, detached breakwaters and seawall. Dataset of shorelines and beach profiles is consequently stored by the developed monitoring system and used to interpret the consequences of past events, while the beach diagnostic system is developed to predict the impact of future ones. This system covers a large coastal stretch divided into 20 watershed sectors for littoral analysis. One-dimensional inverse method and new sediment transport model (diffraction effects included) are used as a main tool to analyze and predict shoreline changes, respectively. In addition, two types of morphological models are also employed to investigate the more detailed seabed changes in the vicinity of fishery ports or river inlets.

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