15:30 〜 16:45 [HCG11-P05] Provenance variability associated with East Asian Summer Monsoon precipitation change recorded in the inner shelf deposit of the East China Sea during the middle and late Holocene *王 可1、多田 隆治1、鄭 洪波2、入野 智久3、斎藤 京太1 (1.Graduate School of Science,The University of Tokyo、2.School of Geography Science, Nanjing Normal University、3.Faculty of Environmental Earth Science, Hokkaido University)