Kim, M.-S.; Jang, S.-C.; Lee, S.-H.; Yoon, H.-S., and Park, J.-H., 2020. Spatiotemporal changes in vegetation frontlines on barrier islands in Nakdong River Estuary during the typhoon season. In: Malvárez, G. and Navas, F. (eds.), Global Coastal Issues of 2020. Journal of Coastal Research, Special Issue No. 95, pp. 51-56. Coconut Creek (Florida), ISSN 0749-0208.

This paper was performed to investigate the spatiotemporal changes in vegetation frontlines on barrier islands in the Nakdong River Estuary using the Differential Global Positioning System (DGPS) field survey. The field survey period occurs during each fall season and included typhoon Kong-Rey (1825) in October 2018and typhoons Lingling (1913), Tapha (1917), and Mitag (1918) in September–October 2019. The results of this paper can be summarized as follows. Along the vegetation frontlines of Jinu-do (Western barrier island), Shinja-do (Central barrier island), and Doyo-deung (Eastern barrier island), erosion and sedimentation phenomena are repeated due to the interaction between ocean waves and coastal debris. Doyo-deung, on the east side of the Nakdong River Estuary, showed the greatest changes in vegetation frontlines, followed by Shinja-do and Jinu-do. The external force of the ocean caused by the typhoon (high waves, high tides) directly affected the inside of the barrier islands, and two types of vegetation frontline retreat were confirmed to have occurred according to the characteristics of the beach profiles.

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