JAMSTEC Researchers Database

Last update :2023/02/03

  • Ryoichi Nakada
Department
Institute for Extra-cutting-edge Science and Technology Avant-garde Research (X-star)　Kochi Institute for Core Sample Research (KOCHI)　Geomaterials Science Research Group
Career
Senior Researcher

Profile

Speciality
Geochemistry
ＨＰ
https://sites.google.com/view/ryo-nakada/
Award
2018/09/12　日本地球化学会奨励賞
2018/08/30　日本有機地球化学会　研究奨励賞（田口賞）

Research Achievement

Peer reviewed publications (Belonging to JAMSTEC)

  • Kajitani I., Koike M., Nakada R., Tanabe G., Usui T., Matsu'ura F., Fukushi K., Yokoyama T.. Identification of carbonate-associated sulfate (CAS) in a Noachian Martian meteorite Allan Hills 84001. EARTH AND PLANETARY SCIENCE LETTERS, 2023, 620, doi: 10.1016/j.epsl.2023.118345
  • Li W., Nakada R., Takahashi Y., Gaschnig R.M., Hu Y., Shakouri M., Liu X.-M.. Cerium geochemical composition of the upper continental crust through time: Implications for tracing past surface redox conditions. GEOCHIMICA ET COSMOCHIMICA ACTA, 2023, 359, p. 20-29, doi: 10.1016/j.gca.2023.08.024
  • Kuwahara H., Nakada R.. Partitioning of Fe2+ and Fe3+ between bridgmanite and silicate melt: Implications for redox evolution of the Earth's mantle. EARTH AND PLANETARY SCIENCE LETTERS, 2023, 615, doi: 10.1016/j.epsl.2023.118197
  • Kuwahara H., Nakada R., Kadoya S., Yoshino T., Irifune T.. Hadean mantle oxidation inferred from melting of peridotite under lower-mantle conditions. Nature Geoscience, 2023, 16, p. 461-465, doi: 10.1038/s41561-023-01169-4
  • Li W., Liu X.-M., Nakada R., Takahashi Y., Hu Y., Shakouri M., Zhang Z., Okumura T., Yamada S.. The cerium isotope fingerprints of redox fluctuation in bauxites. EARTH AND PLANETARY SCIENCE LETTERS, 2023, 602, doi: 10.1016/j.epsl.2022.117962
  • Wenshuai Li, Xiao-Ming Liu, Ryoichi Nakada, Yoshio Takahashi, Yongfeng Hu, Mohsen Shakouri, Zhaofeng Zhang, Takuma Okumura, Shinya Yamada. The cerium isotope fingerprints of redox fluctuation in bauxites. EARTH AND PLANETARY SCIENCE LETTERS, 2023, 602, p. 117962-117962, doi: 10.1016/j.epsl.2022.117962
  • Yoshihiro Kakizkaki, Akihiro Kano, Yasuhiro Ota, Ryoichi Nakada, Kazuya Nagaishi, Kenji Kashiwagi. Pennsylvanian paleoclimatic record in rhythmites developed on an oceanic island of low-latitude Panthalassa. SEDIMENTARY GEOLOGY, 2021, 424, doi: 10.1016/j.sedgeo.2021.105992
  • Masashi　Shidare, Ryoichi Nakada, Tomohiro Usui, Minato Tobita, Kenji Shimizu, Yoshio Takahashi, Tetsuya Yokoyama. Survey of impact glasses in shergottites searching for Martian sulfate using X-ray absorption near-edge structure. GEOCHIMICA ET COSMOCHIMICA ACTA, 2021, 313, p. 85-98, doi: 10.1016/j.gca.2021.08.026
  • Hideharu Kuwahara,Shoichi Itoh,Akimasa Suzumura,Ryoichi Nakada,Tetsuo Irifune. Nearly Carbon-Saturated Magma Oceans in Planetary Embryos During Core Formation. GEOPHYSICAL RESEARCH LETTERS, 2021, 48, 10, doi: 10.1029/2021GL092389
  • Fumihiro Matsuura, Ryoichi Nakada, Tomohiro Usui, Yusuke Sawaki, Yuichiro Uenobe, Iori Kajitani, Masafumi Saitoh. Spatial distribution and speciation of sulfur in Ediacaran limestones with μ-XRF imaging and XANES spectroscopy: Implications for diagenetic mobilization of sulfur species. GEOCHIMICA ET COSMOCHIMICA ACTA, 2021, 306, p. 20-43, doi: 10.1016/j.gca.2021.05.010
  • Nagaishi, K., Nakada, R., and Ishikawa, T.. High-throughput isotope analysis of sub-nanogram sized lead using MC-ICP-MS with on-line thallium doping technique and desolvating nebulizer system. GEOCHEMICAL JOURNAL, 2021, 55, 1, p. 1-9, doi: 10.2343/geochemj.2.0612
  • Ryoichi Nakada, Gaku Tanabe, Iori Kajitani, Tomohiro Usui, Masashi Shidare, Tetsuya Yokoyama. EXAFS determination of clay minerals in Martian meteorite Allan Hills 84001 and its implication for the Noachian aqueous environment. Minerals, 2021, 11, 2, doi: 10.3390/min11020176
  • Nozomi M. Kondo, Yoshio Kono, Koji Ohara, Ryoichi Nakada, Toshiaki Ina, Etienne Skrzypek, Akihiro Yamada, and Satoshi Saito. Interaction between cerium and H2O in hydrous rhyolitic melts. ACS Earth and Space Chemistry, 2020, 4, 12, p. 2281-2288, doi: 10.1021/acsearthspacechem.0c00206
  • Nakada R., Usui T., Ushioda M., Takahashi Y.,. Vanadium micro-XANES determination of oxygen fugacity in olivine-hosted glass inclusion and groundmass glasses of martian primitive shergottite Yamato 980459. AMERICAN MINERALOGIST, 2020, 105, 11, p. 1695-1703, doi: 10.2138/am-2020-7321
  • M. Koike, R. Nakada, I. Kajitani, T. Usui, Y. Tamenori, H. Sugahara, A. Kobayashi. In-situ preservation of nitrogen-bearing organics in Noachian Martian carbonates. Nature Communications, 2020, 11, doi: 10.1038/s41467-020-15931-4
  • Ryoichi Nakada, Masahiko Sato, Masashi Ushioda, Yujiro Tamura, Shinji Yamamoto. Variation of iron species in plagioclase crystals by X-ray absorption fine structure analysis. GEOCHEMISTRY GEOPHYSICS GEOSYSTEMS, 2019, 20, 11, p. 5319-5333, doi: 10.1029/2018GC008131
  • Ryoichi Nakada, Naoko Asakura, Kazuya Nagaishi. Examination of analytical conditions of cerium (Ce) isotope and stable isotope ratio of Ce in geochemical standards. GEOCHEMICAL JOURNAL, 2019, 53, 5, p. 293-304, doi: 10.2343/geochemj.2.0567
  • 中田　亮一. 希土類元素（REE）地球化学の新展開：REE有機地球化学とREE安定同位体地球化学. 地球化学, 2019, 53, 3, p. 107-124, doi: 10.14934/chikyukagaku.53.107
  • H. Kuwahara, S. Itoh, R. Nakada, and T. Irifune. The effects of carbon concentration and silicate composition on the metal-silicate partitioning of carbon in a shallow magma ocean. GEOPHYSICAL RESEARCH LETTERS, 2019, 46, 16, p. 9422-9429, doi: 10.1029/2019GL084254
  • M. Ito, R. Nakada, H. Suga, T. Ohigashi, Y. Kodama, H. Naraoka. Sulfur Map in Organics in Meteorites by STXM-XANES and NanoSIMS. UVSOR ACTIVITY REPORT 2018, 2019, p. 164-164
  • 桑原秀治, 野村龍一, 中田亮一, 入舩徹男. 下部マントル最上部条件におけるカンラン岩と中央海嶺玄武岩の融解相関係とその部分溶融層の重力的安定性. 高圧力の科学と技術, 2019, 29, 20, p. 75-85, doi: 10.4131/jshpreview.29.75
  • Hideharu Kuwahara, Takanori Kagoshima, Ryoichi Nakada, Nobuhiro Ogawa, Asuka Yamaguchi, Yuji Sano, Tetsuo Irifune. Fluorine and chlorine fractionation during magma ocean crystallization: Constraints on the origin of the non-chondritic F/Cl ratio of the Earth. EARTH AND PLANETARY SCIENCE LETTERS, 2019, 520, p. 241-249, doi: 10.1016/j.epsl.2019.05.041
  • Satoshi Takahashi, Ryoichi Nakada, Yusuke Watanabe, Yoshio Takahashi. Iron-depleted pelagic water at the end-Permian mass extinction inferred from chemical species of iron and molybdenum in deep-sea sedimentary rocks. PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY, 2019, 516, p. 384-399, doi: 10.1016/j.palaeo.2018.12.014
  • Go-Ichiro Uramoto, Yuki Morono, Naotaka Tomioka, Shigeyuki Wakaki, Ryoichi Nakada, Rota Wagai, Kentaro Uesugi, Akihisa Takeuchi, Masato Hoshino, Yoshio Suzuki, Fumito Shiraishi, Satoshi Mitsunobu, Hiroki Suga, Yasuo Takeichi, Yoshio Takahashi, Fumio Inagaki. Significant contribution of subseafloor microparticles to the global manganese budget. Nature Communications, 2019, 10, doi: 10.1038/s41467-019-08347-2
  • Hideharu Kuwahara, Ryuichi Nomura, Ryoichi Nakada, Tetsuo Irifune. Simultaneous determination of melting phase relations of mantle peridotite and mid-ocean ridge basalt at the uppermost lower mantle conditions. PHYSICS OF THE EARTH AND PLANETARY INTERIORS, 2018, 284, p. 36-50, doi: 10.1016/j.pepi.2018.08.012
  • 佐藤雅彦, 山本裕二, 西岡孝, 小玉一人, 望月伸竜, 潮田雅司, 中田亮一, 綱川秀夫. 残留磁化緩和時間に基づく火星磁気異常ソースの評価. 遊・星・人, 2018, 27, 3, p. 173-179
  • M.Ito,R Nakada,H.Suga,T.Ohigashi,Y.Kodama and H.Naraoka. Feasibility Study of Sulfur Speciation High-spatial Resolution Mapping in Extraterrestrial Organics by STXM-XANES. UVSOR ACTIVITY REPORT 2017, 2018, p. 150
  • Masahiko Sato, Yuhji Yamamoto, Takashi Nishioka, Kazuto Kodama, Nobutatsu Mochizuki, Masashi Ushioda, Ryoichi Nakada, Hideo Tsunakawa. Constraints on the Source of the Martian Magnetic Anomalies Inferred From Relaxation Time of Remanent Magnetization. GEOPHYSICAL RESEARCH LETTERS, 2018, 45, 13, p. 6417-6427, doi: 10.1029/2018GL077498
  • R. Nakada, M. Tanaka, M. Tanimizu, Y. Takahashi. Aqueous speciation is likely to control the stable isotopic fractionation of cerium at varying pH. GEOCHIMICA ET COSMOCHIMICA ACTA, 2017, 218, p. 273-290, doi: 10.1016/j.gca.2017.09.019
  • Ryoichi Nakada,Yoshio Takahashi,Masaharu Tanimizu,. Cerium stable isotope ratios in ferromanganese deposits and their potential as a paleo-redox proxy. Geochimica et Cosmochimica Acta, 2016, 181, p. 89-100, doi: 10.1016/j.gca.2016.02.025
  • Ryoichi Nakada, Amane Waseda, Fumiaki Okumura, Yoshio Takahashi. Impact of the decarboxylation reaction on rare earth elements binding to organic matter: From humic substances to crude oil. Chemical Geology, 2016, 420, p. 231-239, doi: 10.1016/j.chemgeo.2015.11.021
  • Masayuki Ikeda, Rie S. Hori, Yuki Okada, Ryoichi Nakada. Volcanism and deep-ocean acidification across the end-Triassic extinction event. Palaeogeography, Palaeoclimatology, Palaeoecology, 2015, 440, p. 725-733, doi: 10.1016/j.palaeo.2015.09.046
  • Yoshio Takahashi, Yasutaka Hayasaka, Koichi Morita, Teruhiko Kashiwabara, Ryoichi Nakada, Matthew A. Marcus, Kenji Kato, Kazuya Tanaka and Hiroshi Shimizu. Transfer of rare earth elements (REE) from manganese oxides to phosphates during early diagenesis in pelagic sediments inferred from REE patterns, X-ray absorption spectroscopy, and chemical leaching method. Geochemical Journal, 2015, 49, 6, p. 653-674, doi: 10.2343/geochemj.2.0393