Phosphorus and iron speciation of the Japan Sea sediments 30 ~ 220 kyr ago (IODP Exp. 346): Implications for the evolution of Asian Monsoon climate system

Saeka Masuda, Toho University, Department of Chemistry, Chiba, Japan, Kosei E Yamaguchi, NASA Astrobiology Institute, ., United States, Minoru Ikehara, Kochi University, Center of Advanced Marine Core Research, Kochi, Japan, Satoshi Takahashi, University of Tokyo, Bunkyo-ku, Japan, Asuka Yamaguchi, Atmosphere and Ocean Research Institute, The University of Tokyo, Kashiwa, Japan and Ryuji Tada, The University of Tokyo, Department of Earth and Planetary Science, Graduate School of Science, Tokyo, Japan