1. Department of Geoenvironmental Sciences, Kongju National University, Gongju 32588, Republic of Korea
2. Jungwon National Research Institute of Cultural Heritage, Chungju 27438, Republic of Korea
3. National Research Institute of Maritime Cultural Heritage, Taean, 58613, Republic of Korea
4. Yellow Sea Institute of Geoenvironmental Sciences, Kongju National University, Gongju 32588, Republic of Korea