2015 - 2021 Elemental behavior in the hydrothermal alteration of ophiolite oceanic crust
2015 - 2019 Reconstruction of environmental parameters by using sediments collected in Japanese bays and evluation on the human society by climatic change
2010 - 2015 Study on ocean acidification and mass extinction of biosphere in the earth surface's environmental system
2011 - 2012 Boron isotope geochemistry of vent fluids from seafloor hydrothermal systems
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Papers (21)：
Yuki Ota, Masahiro Suzumura, Ayumi Tsukasaki, Atsushi Suzuki, Kyoko Yamaoka, Miho Asada, Mikio Satoh. Anaerobic oxidation of methane and trace-element geochemistry in microbial mat-covered sediments related to methane seepage, northeastern Japan Sea. Chemical Geology. 2022. 121093-121093
Jiwon Eom, Toshihiro Yoshimura, Norikatsu Akizawa, Shigeyuki Wakaki, Tsuyoshi Ishikawa, Eiichi Takazawa, Kyoko Yamaoka, Hodaka Kawahata. The magnesium isotopic compositions of the crust and mantle: A study on the Oman ophiolite. Chemical Geology. 2022. 120969-120969
A. Usui, H. Hino, D. Suzushima, N. Tomioka, Y. Suzuki, M. Sunamura, S. Kato, T. Kashiwabara, S. Kikuchi, G.-I. Uramoto, et al. Modern precipitation of hydrogenetic ferromanganese minerals during on-site 15-year exposure tests. Scientific Reports. 2020
Yamaoka, K, Wang, Q, Kawahata, H, Suzuki, A. Experimental Study to Assess the pH Effect on Metal Release from Fe-Mn Nodules and Pelagic Clays. Proceedings of the 29th International Ocean and Polar Engineering Conference (ISOPE-2019). 2019. 92-97
