“…A number of studies on changes in beaches and coastlines have been conducted in South Korea. However, most of the studies have analyzed mid-to long-term changes in the coastline over several years or decades Jang, Kim, and Yoon, 2010;Kim, 2013;Kim, Yoon, and Lee, 2013), or have focused on changes in the coastline due to coastal development, maintenance projects, and installation of artificial structures (Choi, Oh, and Lee, 2009;Jang, Kim, and Baek, 2012;Kim and Park, 2008;Kim and Song, 2012;Kim and Yoon, 2010;. There are also many studies that have analyzed seasonal changes in the coast (Bang and Lee, 2011;Kim and Jang, 2011;Woo and Jang, 2010;Youn and Kim, 2011).…”