*Tadahiro Hatakeyama^1,2 (1.Information Processing Center, Okayama University of Science, 2.Graduate School of Biosphere-Geosphere Science, Okayama University of Science)

*Tadahiro Hatakeyama^1,2, Yu Kitahara³, Nobutatsu Mochizuki⁴ (1.Information Processing Center, Okayama University of Science, 2.Graduate School of Biosphere-Geosphere Science, Okayama University of Science, 3.Graduate School of Social and Cultural Studies, Kyushu University, 4.Faculty of Advanced Science and Technology, Kumamoto University)

*Yu Kitahara¹, Mariko Yamagata², Masao Ohno¹, Yuhji Yamamoto³, Tadahiro Hatakeyama⁴ (1.Faculty of Social and Cultural Studies, Kyushu University, 2.Faculty of Management, Okayama University of Science, 3.Center for Advanced Marine Core Research, Kochi University, 4.Information Processing Center, Okayama University of Science)

*Tadahiro Hatakeyama^1,2, Yu Kitahara³, Nobutatsu Mochizuki⁴, Yorinao Shitaoka⁵, Kenji Kanegae⁶, Hirotsugu Matsusaki⁷, Naoko Nakamura⁸ (1.Information Processing Center, Okayama University of Science, 2.Graduate School of Biosphere-Geosphere Science, Okayama University of Science, 3.Graduate School of Social and Cultural Studies, Kyushu University, 4.Faculty of Advanced Science and Technology, Kumamoto University, 5.Faculty of Geo-Environmental Science, Rissho University, 6.Archaeological Museum, The International University of Kagoshima, 7.Education Board, Ibusuki City, 8.Research Center for Archaeology, Kagoshima University)