Publications

*Japanese articles are not listed on this page.

2024

Higuchi, T., Chung, M.-T., Yoshikawa, C., and Minegishi, Y. (2024) Editorial: Sharing technical knowledge to understand the distribution patterns and migration history of marine organisms. Frontiers in Marine Science, 11:1392102. doi:10.3389/fmars.2024.1392102. [Open Access]
Nitzsche, K.N., Ishikawa, N.F., Yoshimura, T., Kajita, H., Kawahata, H., Ogawa, N.O., Suga, H., and Ohkouchi, N. (2024) Historical trend of polycyclic aromatic hydrocarbons in a sediment core from Osaka Bay during the Meghalayan. The Holocene, in press. doi:10.1177/09596836241236320. [Abstract]
Uchida-Fukuhara, Y., Shimamura, S., Sawafuji, R., Nishiuchi, T., Yoneda, M., Ishida, H., Matsumura, H., and Tsutaya, T. (2024) Palaeoproteomic investigation of an ancient human skeleton with abnormal deposition of dental calculus. Scientific Reports, 14: 5938. doi:10.1038/s41598-024-55779-y. [Open Access]
Sugahara, H., Yoshimura, T., Tamenori, Y., Takano, Y., Ogawa, N.O., Chikaraishi, Y., and Ohkouchi, N. (2024) Nitrogen K-edge X-ray adsorption near-edge structure spectroscopy of chemically adsorbed ammonia gas on clay minerals and the 15N/14N-nitrogen isotopic fractionation. Analytical Sciences, 40: 781–789. doi:10.1007/s44211-023-00503-5. [Open Access]
Kobayashi, K., Isobe, N., Kusumi, R., Nemoto, J., and Wada, M. (2024) Elucidation of the Specific Ion Effects and Intermediate Structures of Cellulose Fibers Swollen in Inorganic Salt Solutions via In Situ X-ray Diffraction. Biomacromolecules, 25(2), 864–870. doi:10.1021/acs.biomac.3c01016. [Open Access]
Omura, T., Isobe, N., Miura, T., Ishii, S., Mori, M., Ishitani, Y., Kimura, S., Hidaka, K., Komiyama, K., Suzuki, M., Kasuya, K.-i., Nomaki, H., Nakajima, R., Tsuchiya, M., Kawagucci, S., Mori, H., Nakayama, A., Kunioka, M., Kamino, K. and Iwata, T. (2024) Microbial decomposition of biodegradable plastics on the deep-sea floor. Nature Communications, 15: 568. doi:10.1038/s41467-023-44368-8. [Open Access]
Ishikawa, N.F., Chen, C., Hashimoto, R., Ogawa, N.O., Uyeno, D., and Nomaki, H. (2024) Amino acid nitrogen isotopic compositions show seep copepods gain nutrition from host animals. Marine Ecology Progress Series, 727, 81-90. [Abstract]
Yoshikawa, C., Shigemitsu, M., Yamamoto, A., Oka, A., and Ohkouchi, N. (2024) A nitrogen isoscape of phytoplankton in the western North Pacific created with a marine nitrogen isotope model. Frontiers in Marine Science, 11:1294608. doi: 10.3389/fmars.2024.1294608 [Open Access]
Chen, C., Isobe, N., and Nomaki, H. (2024) A deep abyssal natural wood fall in the Northwestern Pacific and its associated fauna. Marine Biology Research, 19(10), 556-563. doi:10.1080/17451000.2023.2291579. [Abstract]
Fukai, R., Usui, T., Fujiya, W., Takano, Y., Bajo, K.-i., Beck, A., Bonato, E., Chabot, N.L., Furukawa, Y., Genda, H., Hibiya, Y., Jourdan, F., Kleine, T., Koike, M., Matsuoka, M., Miura, Y.N., Moynier, F., Okazaki, R., Russell, S.S., Sumino, H., Zolensky, M.E., Sugahara, H., Tachibana, S., Sakamoto, K., Abe, M., Cho, Y., and Kuramoto, K. (2024) Curation protocol of Phobos sample returned by Martian Moons eXploration. Meteoritics & Planetary Science, 59(2), 321-337. doi:10.1111/maps.14121. [Open Access]
Kaku, Y., Okada, S., Fujisawa, S., Saito, T., and Isobe, N. (2024) Low solid content mouldable chitin physical hydrogel prepared by atypical rupture-free swelling. Soft Matter, 20, 1245-1252. doi:10.1039/D3SM01542D. [Abstract]
Glavin, D.P., Eckley, S.A., Aponte, J.C., Berger, E.L., Burton, A.S., Dworkin, J.P., Elsila, J.E., Ferguson, F.T., Furukawa, Y., Graham, H.V., Koga, T., Liss, M., McLain, H.L., Naraoka, H., Oba, Y., Parker, E.T., Righter, K., Schmitt-Kopplin, P., Simkus, D.N., Takano, Y., Connolly, H.C.Jr., and Lauretta, D.S. (2024) Investigating the impact of x-ray computed tomography imaging on soluble organic matter in the Murchison meteorite: Implications for Bennu sample analyses. Meteoritics & Planetary Science, 59(1), 105-133. doi:10.1111/maps.14111. [Open Access]
Tsutaya, T., Doi, N., Katagiri, C., Sawafuji, R., and Yoneda, M. (2024) Human diet of premodern mainland Japan: a meta-analysis of carbon and nitrogen stable isotope ratios. Anthropological Science, 132(1), 27-38. doi:10.1537/ase.230718. [Open Access]
Ishikawa, N.F., Takashima, A., Maruoka, H., and Kondoh, M. (2024) Integrated trophic position as a proxy for food-web complexity. Methods in Ecology and Evolution, 15(1), 164-177. doi:10.1111/2041-210X.14256. [Open Access]
Kochi, T., Yoshimura, T., Ogawa, N.O., Ohkouchi, N., Kobayashi, Y., and Kuroda, J. (2024) Carbonate Associated Sulfate Extraction Method Using Weakly Acidic Cation Exchange Resins. Geostandards and Geoanalytical Research, 48(1), 77-89. doi:10.1111/ggr.12536. [Abstract]
Koga, T., Takano, Y., Oba, Y., Naraoka, H., and Ohkouchi, N. (2024) Abundant extraterrestrial purine nucleobases in the Murchison meteorite: Implications for a unified mechanism for purine synthesis in carbonaceous chondrite parent bodies. Geochimica et Cosmochimica Acta, 365, 253-265. doi:10.1016/j.gca.2023.10.024. [Abstract]

2023

Zeichner, S.S., Aponte, J.C., Bhattacharjee, S., Dong, G., Hofmann, A.E., Dworkin, J.P., Glavin, D.P., Elsila, J.E., Graham, H.V., Naraoka, H., Takano, Y., Tachibana, S., Karp, A.T., Grice, K., Holman, A.I., Freeman, K.H., Yurimoto, H., Nakamura, T., Noguchi, T., Okazaki, R., Yabuta, H., Sakamoto, K., Yada, T., Nishimura, M., Nakato, A., Miyazaki, A., Yogata, K., Abe, M., Okada, T., Usui, T., Yoshikawa, M., Saiki, T., Tanaka, S., Terui, F., Nakazawa, S., Watanabe, S.-i., Tsuda, Y., Hamase, K., Fukushima, K., Aoki, S., Hashiguchi, M., Mita, H., Chikaraishi, Y., Ohkouchi, N., Ogawa, N.O., Sakai, S., Parker, E.T., McLain, H.L., Orthous-Daunay, F.-R., Vuitton, V., Wolters, C., Schmitt-Kopplin, P., Hertkorn, N., Thissen, R., Ruf, A., Isa, J., Oba, Y., Koga, T., Yoshimura, T., Araoka, D., Sugahara, H., Furusho, A., Furukawa, Y., Aoki, J., Kano, K., Nomura, S.-i.M., Sasaki, K., Sato, H., Yoshikawa, T., Tanaka, S., Morita, M., Onose, M., Kabashima, F., Fujishima, K., Yamazaki, T., Kimura, Y., and Eiler, J.M. (2023) Polycyclic aromatic hydrocarbons in samples of Ryugu formed in the interstellar medium. Science, 382(6677), 1411-1416. doi:10.1126/science.adg6304. [Abstract]
Servettaz, A.P.M., Agosta, C., Kittel, C., and Orsi, A.J. (2023) Control of the temperature signal in Antarctic proxies by snowfall dynamics. The Cryosphere, 17, 5373–5389. doi:10.5194/tc-17-5373-2023. [Open Access]
Nakajima, R., Isobe, N., and Singh, N. (2023) A simple microplastic splitter for subsampling expanded polystyrene particles. Method X, 11: 102489. doi:10.1016/j.mex.2023.102489. [Open Access]
Yada,T., Abe, M., Nishimura, M., Sawada, H., Okazaki, R., Takano, Y., Sakamoto, K., Okada, T., Nakato, A., Yoshitake, M., Nakano, Y., Yogata, K., Miyazaki, A., Furuya, S., Iwamae, A.S., Nakatsubo, S., Hatakeda, K., Hitomi, Y., Kumagai, K., Suzuki, S., Miura, Y.N., Ito, M., Tomioka, N., Uesugi, M., Karouji, Y., Uesugi, K., Shirai, N., Yamaguchi, A., Imae, N., Naraoka, H., Yamamoto, Y., Tachibana, S., Yurimoto, H., and Usui, T. (2023) A curation for uncontaminated Hayabusa2-returned samples in the extraterrestrial curation center of JAXA: from the beginning to present day. Earth, Planets and Space, 75:170. doi:10.1186/s40623-023-01924-2. [Open Access]
Bulian, F., Jiménez-Espejo, F.J., Andersen, N., Larrasoaña, J.C., Sierro, F.J. (2023) Mediterranean water in the Atlantic Iberian margin reveals early isolation events during the Messinian Salinity Crisis. Global and Planetary Change, 231: 104297. doi:10.1016/j.gloplacha.2023.104297. [Open Access]
Schmitt-Kopplin, P., Hertkorn, N., Harir, M., Moritz, F., Lucio, M., Bonal, L., Quirico, E., Takano, Y., Dworkin, J.P., Naraoka, H., Tachibana, S., Nakamura, T., Noguchi, T., Okazaki, R., Yabuta, H., Yurimoto, H., Sakamoto, K., Yada, T., Nishimura, M., Nakato, A., Miyazaki, A., Yogata, K., Abe, M., Usui, T., Yoshikawa, M., Saiki, T., Tanaka, S., Terui, F., Nakazawa, S., Okada, T., Watanabe, S.-i., Tsuda, Y., and Hayabusa2-initial-analysis SOM team. (2023) Soluble organic matter Molecular atlas of Ryugu reveals cold hydrothermalism on C-type asteroid parent body. Nature Communications, 14, 6525. doi:10.1038/s41467-023-42075-y. [Open Access]
Yoshimura, T., Takano, Y., Naraoka, H., Koga, T., Araoka, D., Ogawa, N.O., Schmitt-Kopplin, P., Hertkorn, N., Oba, Y., Dworkin, J.P., Aponte, J.C., Yoshikawa, T., Tanaka, S., Ohkouchi, N., Hashiguchi, M., McLain, H., Parker, E.T., Sakai, S., Yamaguchi, M., Suzuki, T., Yokoyama, T., Yurimoto, H., Nakamura, T., Noguchi, T., Okazaki, R., Yabuta, H., Sakamoto, S., Yada, T., Nishimura, M., Nakato, A., Miyazaki, A., Yogata, K., Abe, M., Okada, T., Usui, T., Yoshikawa, M., Saiki, T., Tanaka, S., Terui, F., Nakazawa, S., Watanabe, S.-i., Tsuda, Y., Tachibana, S., and Hayabusa2-initial-analysis SOM team. Chemical evolution of primordial salts and organic sulfur molecules in the asteroid 162173 Ryugu. Nature Communications, 14: 5284. doi:10.1038/s41467-023-40871-0. [Open Access]
Toyoda, S., Terajima, K., Yoshida, N., Yoshikawa, C., Makabe, A., Hashihama, F., Ogawa, H. (2023) Extensive Accumulation of Nitrous Oxide in the Oxygen Minimum Zone in the Bay of Bengal. Global Biogeochemical Cycles, 37(9), e2022GB007689. doi:10.1029/2022GB007689. [Abstract]
Tame, A., Maruyama, T., Ikuta, T., Chikaraishi, Y., Ogawa, N.O., Tsuchiya, M., Takishita, K., Tsuda, M., Hirai, M., Takaki, Y., Ohkouchi, N., Fujikura, K., and Yoshida, T. (2023) mTORC1 regulates phagosome digestion of symbiotic bacteria for intracellular nutritional symbiosis in a deep-sea mussel. Science Advances, 9(34), eadg8364. doi:10.1126/sciadv.adg8364. [Open Access]
Azevedo, A.Q., Jiménez-Espejo, F.J., Bulian, F., Sierro, F.J., Tangunan, D., Takashimizu, Y., Albuquerque, A.L.S., Kubota, K., Escutia, C., Norris, R.D., Hemming, S.R., and Hall, I.R. (2023) Orbital forcing and evolution of the Southern African Monsoon from late Miocene to early Pliocene. Paleoceanography and Paleoclimatology, 38(9), e2022PA004588. doi:10.1029/2022PA004588. [Abstract]
Isobe, N., Ono, Y., Nishiyama, Y., Roux, D., and Isogai, A. (2023) Quantitative analysis of the formation of monodisperse cello-oligomers obtained by phosphoric acid hydrolysis. Cellulose, 30, 8235-8243. doi:10.1007/s10570-023-05415-1. [Open Access]
Sun, Y., Ogawa, N.O., Ishikawa, N.F., Blattmann, T.M., Takano, Y., and Ohkouchi, N. (2023) Application of a porous graphitic carbon column to carbon and nitrogen isotope analysis of underivatized individual amino acids using high-performance liquid chromatography coupled with elemental analyzer/isotope ratio mass spectrometry. Rapid Communications in Mass Spectrometry, 37(17), e9602. doi:10.1002/rcm.9602. [Open Access]
Ishioka, S., Hirano, T., Matoba, N., Isobe, N., Fujisawa, S., and Saito, T. (2023) Property-Thickness Correlations of Transparent All-Nanocellulose Laminates. Jouranl of Fiber Science and Technology, 79(7), 156-164. doi:10.2115/fiberst.2023-0023. [Open Access]
Doi, Y., Daicho, K., Isobe, N., Tanaka, R., Kimura, S., Fujisawa, S., and Saito, T. (2023) Monitoring crystallite fusion of nanocellulose during colloid condensation. Cellulose, 30, 8287-8297. doi:10.1007/s10570-023-05354-x. [Open Access]
Servettaz, A.P.M., Orsi, A.J., Curran, M.A.J., Moy, A.D., Landais, A., McConnell, J.R., Popp, T.J., Le meur, E., Faïn, X., and Chappellaz, J. (2023) A 2000-year temperature reconstruction on the East Antarctic plateau, from argon-nitrogen and water stable isotopes in the Aurora Basin North ice core. Climate of the Past, 19(6), 1125-1152. doi:10.5194/cp-19-1125-2023. [Open Access]
Oba, Y., Takano, Y., Dworkin, J.P., and Naraoka, H. (2023) Ryugu asteroid sample return provides a natural laboratory for primordial chemical evolution. Nature Communications, 14: 3107. doi:10.1038/s41467-023-38518-1. [Open Access]
Hashiguchi, M., Aoki, D., Fukushima, K., Naraoka, H., Takano, Y., Dworkin, J.P., Dworkin, K.E., Aponte, J.C., Elsila, J.E., Eiler, J.M., Furukawa, Y., Furusho, A., Glavin, D.P., Graham, H.V., Hamase, K., Hertkorn, N., Isa, J., Koga, T., McLain, H.L., Mita, H., Oba, Y., Ogawa, N.O., Ohkouchi, N., Orthous-Daunay, F.-R., Parker, E.T., Ruf, A., Sakai, S., Schmitt-Kopplin, P., Sugahara, H., Thissen, R., Vuitton, V., Wolters, C., Yoshimura, T., Yurimoto, H., Nakamura, T., Noguchi, T., Okazaki, R., Yabuta, H., Sakamoto, K., Tachibana, S., Yada, T., Nishimura, M., Nakato, A., Miyazaki, A., Yogata, K., Abe, M., Usui, T., Yoshikawa, M., Saiki, T., Tanaka, S., Terui, F., Nakazawa, S., Watanabe, S.-i., Tsuda, Y., 2023. The spatial distribution of soluble organic matter and their relationship to minerals in the asteroid (162173) Ryugu. Earth, Planets and Space, 75 :73. doi:10.1186/s40623-023-01792-w. [Open Access]
Ohkouchi, N. (2023) A new era of isotope ecology: Nitrogen isotope ratio of amino acids as an approach for unraveling modern and ancient food web. Proceedings of the Japan Academy, Series B, 99(5), 131-154. doi:10.2183/pjab.99.009. [Open Access]
Kaku, Y., Isobe, N., Ogawa, N.O., Ohkouchi, N., Ikuta, T., Saito, T., and Fujisawa, S. (2023) Chitin nanofiber-coated biodegradable polymer microparticles via one-pot aqueous process. Carbohydrate Polymers, 312: 120828. doi:10.1016/j.carbpol.2023.120828. [Abstract]
Oba, Y., Koga, T., Takano, Y., Ogawa, N.O., Ohkouchi, N., Sasaki, K., Sato, H., Glavin, D.P., Dworkin, J.P., Naraoka, H., Tachibana, S., Yurimoto, H., Nakamura, T., Noguchi, T., Okazaki, R., Yabuta, H., Sakamoto, K., Yada, T., Nishimura, M., Nakato, A., Miyazaki, A., Yogata, K., Abe, M., Okada, T., Usui, T., Yoshikawa, M., Saiki, T., Tanaka, S., Terui, F., Nakazawa, S., Watanabe, S.-i., Tsuda, Y., and Hayabusa2-initial-analysis soluble organic matter team. (2023) Uracil in the carbonaceous asteroid (162173) Ryugu. Nature Communications, 14: 1292. doi:10.1038/s41467-023-36904-3. [Open Access]
Nomaki, H., Kawatani, K., Motomura, Y., Tame, A., Uyeno, D., Ogawa, N.O., Ohkouchi, N., and Shimanaga, M. (2023) Bacterivory of the hydrothermal-vent-specific copepod Stygiopontius senokuchiae (Dirivultidae, Siphonostomatoida) from copepodite through adult stages. Journal of the Marine Biological Association of the United Kingdom, 103: e21. doi:10.1017/S0025315423000139. [Open Access]
Aponte, J.C., Dworkin, J.P., Glavin, D.P., Elsila, J.E., Parker, E.T., McLain, H.L., Naraoka, H., Okazaki, R., Takano, Y., Tachibana, S., Dong, G., Zeichner, S.S., Eiler, J.M., Yurimoto, H., Nakamura, T., Yabuta, H., Terui, F., Noguchi, T., Sakamoto, K., Yada, T., Nishimura, M., Nakato, A., Miyazaki, A., Yogata, K., Abe, M., Okada, T., Usui, T., Yoshikawa, M., Saiki, T., Tanaka, S., Nakazawa, S., Tsuda, Y., Watanabe, S.-i., The Hayabusa2-initial-analysis soluble organic matter team, and The Hayabusa2-initial-analysis core team. (2023) PAHs, hydrocarbons, and dimethylsulfides in Asteroid Ryugu samples A0106 and C0107 and the Orgueil (CI1) meteorite. Earth, Planets and Space, 75: 28. doi:10.1186/s40623-022-01758-4. [Open Access]
Parker, E.T., McLain, H.L., Glavin, D.P., Dworkin, J.P., Elsila, J.E., Aponte, J.C., Naraoka, H., Takano, Y., Tachibana, S., Yabuta, H., Yurimoto, H., Sakamoto, K., Yada, T., Nishimura, M., Nakato, A., Miyazaki, A., Yogata, K., Abe, M., Okada, T., Usui, T., Yoshikawa, M., Saiki, T., Tanaka, S., Nakazawa, S., Tsuda, Y., Terui, F., Noguchi, T., Okazaki, R., Watanabe, S.-i., and Nakamura, T. (2023) Extraterrestrial Amino Acids and Amines Identified in Asteroid Ryugu Samples Returned by the Hayabusa2 Mission. Geochimica et Cosmochimica Acta, 347, 42-57. doi:10.1016/j.gca.2023.02.017. [Abstract]
Naraoka, H., Takano, Y., Dworkin, J.P., Oba, Y., Hamase, K., Furusho, A., Ogawa, N.O., Hashiguchi, M., Fukushima, K., Aoki, D., Schmitt-Kopplin, P., Aponte, J.C., Parker, E.T., Glavin, D.P., McLain, H.L., Elsila, J.E., Graham, H.V., Eiler, J.M., Orthous-Daunay, F.-R., Wolters, C., Isa, J., Vuitton, V., Thissen, R., Sakai, S., Yoshimura, T., Koga, T., Ohkouchi, N., Chikaraishi, Y., Sugahara, H., Mita, H., Furukawa, Y., Hertkorn, N., Ruf, A., Yurimoto, H., Nakamura, T., Noguchi, T., Okazaki, R., Yabuta, H., Sakamoto, K., Tachibana, S., Connolly, H.C., Lauretta, D.S., Abe, M., Yada, T., Nishimura, M., Yogata, K., Nakato, A., Yoshitake, M., Suzuki, A., Miyazaki, A., Furuya, S., Hatakeda, K., Soejima, H., Hitomi, Y., Kumagai, K., Usui, T., Hayashi, T., Yamamoto, D., Fukai, R., Kitazato, K., Sugita, S., Namiki, N., Arakawa, M., Ikeda, H., Ishiguro, M., Hirata, N., Wada, K., Ishihara, Y., Noguchi, R., Morota, T., Sakatani, N., Matsumoto, K., Senshu, H., Honda, R., Tatsumi, E., Yokota, Y., Honda, C., Michikami, T., Matsuoka, M., Miura, A., Noda, H., Yamada, T., Yoshihara, K., Kawahara, K., Ozaki, M., Iijima, Y.-i., Yano, H., Hayakawa, M., Iwata, T., Tsukizaki, R., Sawada, H., Hosoda, S., Ogawa, K., Okamoto, C., Hirata, N., Shirai, K., Shimaki, Y., Yamada, M., Okada, T., Yamamoto, Y., Takeuchi, H., Fujii, A., Takei, Y., Yoshikawa, K., Mimasu, Y., Ono, G., Ogawa, N., Kikuchi, S., Nakazawa, S., Terui, F., Tanaka, S., Saiki, T., Yoshikawa, M., Watanabe, S.-i., Tsuda, Y., 2023. Soluble organic molecules in samples of the carbonaceous asteroid (162173) Ryugu. Science, 379(6634), eabn9033. doi:10.1126/science.abn9033. [Abstract]
Broadley, M.W., Byrne, D.J., Füri, E., Zimmermann, L., Marty, B., Okazaki, R., Yada, T., Kitajima, F., Tachibana, S., Yogata, K., Sakamoto, K., Yurimoto, H., Nakamura, T., Noguchi, T., Naraoka, H., Yabuta, H., Watanabe, S., Tsuda, Y., Nishimura, M., Nakato, A., Miyazaki, A., Abe, M., Okada, T., Usui, T., Yoshikawa, M., Saiki, T., Tanaka, S., Terui, F., Nakazawa, S., Busemann, H., Hashizume, K., Gilmour, J.D., Meshik, A., Riebe, M.E.I., Krietsch, D., Maden, C., Ishida, A., Clay, P., Crowther, S.A., Fawcett, L., Lawton, T., Pravdivtseva, O., Miura, Y.N., Park, J., Bajo, K., Takano, Y., Yamada, K., Kawagucci, S., Matsui, Y., Yamamoto, M., Righter, K., Sakai, S., Iwata, N., Shirai, N., Sekimoto, S., Inagaki, M., Ebihara, M., Yokochi, R., Nishiizumi, K., Nagao, K., Lee, J.I., Kano, A., Caffee, M.W., and Uemura, R. (2023) The noble gas and nitrogen relationship between Ryugu and carbonaceous chondrites. Geochimica et Cosmochimica Acta, 345, 62-74. doi:10.1016/j.gca.2023.01.020. [Open Access]
Ishioka, S., Isobe, N., Hirano, T., Matoba, N., Fujisawa, S., and Saito, T. (2023) Fully Wood-Based Transparent Plates with High Strength, Flame Self-Extinction, and Anisotropic Thermal Conduction. ACS Sustainable Chemistry & Engineering, 11(6), 2440-2448. doi:10.1021/acssuschemeng.2c06344. [Open Access]

2022

Endo, I., Sakon, I., Onaka, T., Kimura, Y., Kimura, S., Wada, S., Helton, L.A., Lau, R.M., Kebukawa, Y., Muramatsu, Y., Ogawa, N.O., Ohkouchi, N., Nakamura, M., and Kwok, S. (2022) Towards the identification of carriers of the unidentified infrared (UIR) bands in novae. Proceedings of the International Astronomical Society, 16, 327-331. doi:10.1017/S1743921322000382. [Abstract]
Matsubayashi, J., Kimura, K., Ohkouchi, N., Ogawa, N. O., Ishikawa, N., Chikaraishi, Y., Tsuda, Y., and Minami, H. (2022) Using geostatistical analysis for simultaneous estimation of isoscapes and ontogenetic shifts in isotope ratios of highly migratory marine fish. Frontiers in Marine Science, 9: 1049056. doi:10.3389/fmars.2022.1049056. [Open Access]
Kajita, H., Isaji, Y., Kato, R., Nishikura, Y., Murayama, M., Ohkouchi, N., Yang, S., Zheng, H., Wang, K., Nakanishi, T., Sasaki, T., Maeda, A., Suzuki, A., Yamanaka, T., and Kawahata, H. (2023) Climatic change around the 4.2 ka event in coastal areas of the East China Sea and its potential influence on prehistoric Japanese people. Palaeogeography, Palaeoclimatology, Palaeoecology, 609:111310. doi:10.1016/j.palaeo.2022.111310. [Open Access]
Choi, H., Choi, B., Chikaraishi, Y., Takano, Y., Kim, H., Lee, K., Lim, D., and Shin, K.-H. (2022) Microbial alteration in marine sediments: Insights from compound-specific isotopic compositions of amino acids in subseafloor environments. Frontiers in Marine Science, 9:1030669. doi:10.3389/fmars.2022.1030669. [Open Access]
Nitzsche, K.N., Yoshimura, T., Ishikawa, N.F., Kajita, H., Kawahata, H., Ogawa, N.O., Suzuki, K., Yokoyama, Y., and Ohkouchi, N. (2022) Metal contamination in a sediment core from Osaka Bay during the last 400 years. Progress in Earth and Planetary Science, 9:58. doi:10.1186/s40645-022-00517-z. [Open Access]
Yanay, N., Wang, Z., Dettman, D.L., Quade, J., Huntington, K.W., Schauer, A.J., Nelson, D.D., McManus, J.B., Thirumalai, K., Sakai, S., Rebaza Morillo, A., and Mallik, A. (2022) Rapid and precise measurement of carbonate clumped isotopes using laser spectroscopy. Science Advances, 8(43): eabq0611. doi:10.1126/sciadv.abq0611. [Open Access]
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2021

Van Liefferinge, B., Taylor, D., Tsutaki, S., Fujita, S., Gogineni, P., Kawamura, K., Matsuoka, K., Moholdt, G., Oyabu, I., Abe-Ouchi, A., Awasthi, A., Buizert, C., Gallet, J.-C., Isaksson, E., Motoyama, H., Nakazawa, F., Ohno, H., O’Neill, C., Pattyn, F., and Sugiura, K. (2021) Surface Mass Balance Controlled by Local Surface Slope in Inland Antarctica: Implications for Ice-Sheet Mass Balance and Oldest Ice Delineation in Dome Fuji. Geophysical Research Letters, 48(24), e2021GL094966. doi:10.1029/2021GL094966. [Open Access]
Oyabu, I., Kawamura, K., Uchida, T., Fujita, S., Kitamura, K., Hirabayashi, M., Aoki, S., Morimoto, S., Nakazawa, T., Severinghaus, J.P., and Morgan, J. (2021) Fractionation of O2/N2 and Ar/N2 in the Antarctic ice sheet during bubble formation and bubble-clathrate hydrate transition from precise gas measurements of the Dome Fuji ice core. The Cryosphere, 15(12), 5529-5555. doi:10.5194/tc-15-5529-2021. [Open Access]
Zou, J., He, H., Yokoyama, Y., Sproson, A.D., Shirahama, Y., Zhou, Y., Wei, Z., Shi, F., and Geng, S. (2021) Identification of Paleoearthquakes and Coseismic Slips on a Normal Fault Using High-Precision Quantitative Morphology: Application to the Jiaocheng Fault in the Shanxi Rift, China. Lithosphere, 2021(Special 2):2550879. doi:10.2113/2021/2550879. [Open Access]
Shirota, K., Okazaki, Y., Konno, S., Miyairi, Y., Yokoyama, Y. and Kubota, Y. (2021) Changes in surface water masses in the northern East China Sea since the Last Glacial Maximum based on diatom assemblages. Progress in Earth and Planetary Science, 8:66. doi:10.1186/s40645-021-00456-1. [Open Access]
Uchida, T., Shigeyama, W., Oyabu, I., Goto-Azuma, K., Nakazawa, F., Homma, T., Kawamura, K., and Dahl-Jensen, D. (2021) Discovery of argon in air-hydrate crystals in a deep ice core using scanning electron microscopy and energy-dispersive X-ray spectroscopy. Journal of Glaciology, 68(269), 547-556. doi:10.1017/jog.2021.115. [Open Access]
Urai, A., Matsushita, M., Park, H.-D., Imachi, H., Ogawara, M., Iwata, H., Kaneko, M., Ogawa, N.O., Ohkouchi, N., and Takano, Y. (2021) Detection of planktonic coenzyme factor 430 in a freshwater lake: small-scale analysis for probing archaeal methanogenesis. Progress in Earth and Planetary Science, 8:62. doi:10.1186/s40645-021-00450-7. [Open Access]
Fripiat, F., Marconi, D., Rafter, P.A., Sigman, D.M., Altabet, M.A., Bourbonnais, A., Brandes, J., Casciotti, K.L., Deman, F., Dehairs, F., Emeis, K.-C., Fawcett, S., Galbraith, E.D., Gaye, B., Granger, J., Harms, N., Haug, G.H., Kemeny, P.C., Kienast, M., Knapp, A., Kopf, S., Lehmann, M.F., Luu, V.H., Martin, T., Martínez-García, A., Pantoja, S., Peng, X., Peters, B., Smart, S., Trull, T.W., Van Oostende, N., Voss, M., Yoshikawa, C., Zhang, R., and D ähnke, K. (2021) Compilation of nitrate δ15N in the ocean. PANGAEA, doi:10.1594/PANGAEA.936484. [Abstract]
Nitzsche, K.N., Yoshimura, T., Ishikawa, N.F., Ogawa, N.O., Suzuki, K., and Ohkouchi, N. (2021) Trace metal geochemical and Zn stable isotope data as tracers for anthropogenic metal contributions in a sediment core from Lake Biwa, Japan. Applied Geochemistry, 134:105107. doi:10.1016/j.apgeochem.2021.105107. [Abstract]
Ota, K., Yokoyama, Y., Miyairi, Y., Yamamoto, S., and Miyajima, T. (2021) Lake water dissolved inorganic carbon dynamics revealed from monthly measurements of radiocarbon in the Fuji Five Lakes, Japan. Elementa: Science of the Anthropocene, 9(1): 00149. doi:10.1525/elementa.2020.00149. [Open Access]
Blattmann, T.M., and Liu, Z. (2021) Proposing a classic clay mineral proxy for quantifying kerogen reburial in the geologic past. Applied Clay Science, 211, 106190. doi:10.1016/j.clay.2021.106190. [Open Access]
Nomaki, H., Rastelli, E., Ogawa, N.O., Matsui, Y., Tsuchiya, M., Manea, E., Corinaldesi, C., Hirai, M., Ohkouchi, N., Danovaro, R., Nunoura, T., Amaro, T. (2021) In situ experimental evidences for responses of abyssal benthic biota to shifts in phytodetritus compositions linked to global climate change. Global Change Biology, 27, 6139-6155. doi:10.1111/gcb.15882. [Open Access]
Kaneko, M., Takano, Y., Kamo, M., Morimoto, K., Nunoura, T., and Ohkouchi, N. (2021) Insights into the Methanogenic Population and Potential in Subsurface Marine Sediments Based on Coenzyme F430 as a Function-Specific Biomarker. JACS Au, 1(10), 1743-1751. doi:10.1021/jacsau.1c00307. [Open Access]
Hallmann, C., Grosjean, E., Shapiro, N.D., Kashiyama, Y., Chikaraishi Y., Fike, D.A., Ohkouchi, N., and Summons R.E. (2021) Redox-controlled ammonium storage and overturn in Ediacaran oceans. Frontiers in Earth Science, 9, 706144. doi:10.3389/feart.2021.706144. [Open Access]
Johnson, K.M., McKay, R.M., Etourneau, J., Jiménez Espejo, F.J., Albot, A., Riesselman, C.R., Bertler, N.A.N., Horgan, H.J., Crosta, X., Bendle, J., Ashley, K.E., Yamane, M., Yokoyama, Y., Pekar, S.F., Escutia, C., and Dunbar, R.B. (2021) Sensitivity of Holocene East Antarctic productivity to subdecadal variability set by sea ice. Nature Geoscience, 14, 762-768. doi:10.1038/s41561-021-00816-y. [Abstract]
Endo, I., Sakon, I., Onaka, T., Kimura, Y., Kimura, S., Wada, S., Helton, L.A., Lau, R.M., Kebukawa, Y., Muramatsu, Y., Ogawa, N.O., Ohkouchi, N., Nakamura, M., and Kwok, S. (2021) On the Nature of Organic Dust in Novae. Astrophysical Journal, 917(2):103. doi:10.3847/1538-4357/ac0cf1. [Open Access]
Tsutaya, T., Ogawa, N.O., Nomura, T., Shimizu, M., Ohkouchi, N., and Kuze, N. (2021) Carbon and nitrogen stable isotopic offsets between diet and hair/feces in captive orangutans. Primates, 62, 945-954. doi: 10.1007/s10329-021-00940-8. [Abstract]
Ishiwa, T., Yokoyama, Y., Obrochta, S., Uehara, K., Okuno, J., Ikehara, M., and Miyairi, Y. (2021) Temporal variation in radiocarbon pathways caused by sea-level and tidal changes in the Bonaparte Gulf, northwestern Australia. Quaternary Science Reviews. 266, 107079. doi:10.1016/j.quascirev.2021.107079. [Abstract]
Yoshimura, T., Araoka, D., Kawahata, H., Hossain, H.M.Z., and Ohkouchi, N. (2021) The influence of weathering, water sources, and hydrological cycles on lithium isotopic compositions in river water and groundwater of the Ganges-Brahmaputra-Meghna River system in Bangladesh. Frontiers in Earth Science, 9:668757. doi:10.3389/feart.2021.668757. [Open Access]
Kebukawa, Y., Zolensky, M.E., Goodrich, C.A., Ito, M., Ogawa, N.O., Takano, Y., Ohkouchi, N., Kiryu, K., Igisu, M., Shibuya, T., Ohigashi, T., Marcus, M.A., Kodama, Y., and Shaddad, M.H. (2021) Organic matter in carbonaceous chondrite lithologies of Almahata Sitta: Incorporation of previously unsampled carbonaceous chondrite lithologies into ureilitic regolith. Meteoritics and Planetary Science, 56(7), 1311-1327. doi:10.1111/maps.13713. [Abstract]
Queiroz de Azevedo, A., Jiménez Espejo, F.J., França, M.C., García Alix, A., Borges da Silva, F.A., Pessenda, L.C.R., Cohen, M.C.L., Fontes, N.A., Pinheiro, V.C., Macario, K., Melo, J.C.F., Piccolo, M.C., and Bendassoli, J.A. (2021) Hydrological influence on the evolution of a subtropical mangrove ecosystem during the late Holocene from Babitonga Bay, Brazil. Palaeogeography, Palaeoclimatology, Palaeoecology, 574, 110463. doi:10.1016/j.palaeo.2021.110463. [Abstract]
Li, W., Liu, X.-M., Wang, K., Fodrie, F.J., Yoshimura, T., and Hu, Y.-F. (2021) Potassium phases and isotopic composition in modern marine biogenic carbonates. Geochimica et Cosmochimica Acta, 304, 364-380. doi:10.1016/j.gca.2021.04.018. [Abstract]
García Alix, A., Camuera, J., Ramos Román M.J., Toney, J.L., Sachse, D., Schefub, E., Jimémez Moreno, G., Jiménez Espejo, F.J., López Avilés, A., Anderson, R.S., and Yanes, Y. (2021) Paleohydrological dynamics in the Western Meditarrenean during the last glacial cycle. Global and Planetary Change, 202, 103527. doi:10.1016/j.gloplacha.2021.103527. [Open Access]
Cartagena-Sierra, A., Berke, M.A., Robinson, R.S., Marcks, B., Castañeda, I.S., Starr, A., Hall, I.R., Hemming, S.R., LeVay, L.J., and Expedition 361 Scientific Party (including Jiménez-Espejo, F.J.). (2021) Latitudinal Migrations of the Subtropical Front at the Agulhas Plateau Through the Mid-Pleistocene Transition. Paleoceanography and Paleoclimatogy, 36(7), e2020PA004084. doi:10.1029/2020PA004084. [Abstract]
Lin, B., Liu, Z., Eglinton, T.I., Blattmann, T.M., Kandasamy, S., Haghipour, N., and Siringan, F.P. (2021) Organic matter compositions and loadings in river sediments from humid tropical volcanic Luzon island of the Philippines. Journal of Geophysical Research: Biogeosciences, 126(7), e2020JG006192. doi:10.1029/2020JG006192. [Abstract]
Buizert, C., Fudge, T.J., Roberts, W.H.G., Steig, E.J., Sherriff-Tadano, S., Ritz, C., Lefebvre, E., Edwards, J., Kawamura, K., Oyabu, I., Motoyama, H., Kahle, E.C., Jones, T.R., Abe-Ouchi, A., Obase, T., Martin, C., Corr, H., Severinghaus, J.P., Beaudette, R., Epifanio, J.A., Brook, E.J., Martin, K., Chappellaz, J., Aoki, S., Nakazawa, T., Sowers, T.A., Alley, R.B., Ahn, J., Sigl, M., Severi, M., Dunbar, N.W., Svensson, A., Fegyveresi, J.M., He, C., Liu, Z., Zhu, J., Otto-Bliesner, B.L., Lipenkov, V.Y., Kageyama, M., and Schwander, Y. (2021) Antarctic surface temperature and elevation during the Last Glacial Maximum. Science, 372(6546), 1097-1101. doi: 10.1126/science.abd2897. [Abstract]
Fujiya, W., Furukawa, Y., Sugahara, H., Koike, M., Bajo, K.-i., Chabot, N.L., Miura, Y.N., Moynier, F., Russell, S.S., Tachibana, S., Takano, Y., Usui, T. and Zolensky, M.E. (2021) Analytical Protocols for Phobos Regolith Samples Returned by the Martian Moons Exploration (MMX) Mission. Earth, Planets and Space, 73: 120. doi:10.1186/s40623-021-01438-9. [Open Access]
Kawasaki, N., Park, C., Wakaki, S., Kim, H., Park, S., Yoshimura, T., Nagaishi, K., Kim, H.N., Sakamoto, N., and Yurimoto, H. (2021) An effect of variations in relative sensitivity factors on Al-Mg systematics of Ca-Al-rich inclusions in meteorites with secondary ion mass spectrometry. Geochemical Journal, 55(4), 283-287. doi:10.2343/geochemj.2.0634. [Open Access]
Tsutaya, T., Takahashi, T., Omori, T., Yamazaki, K., Sato, T., Yoneda, M., Schulting, R.J., Kato, H., and Weber, A.W. (2021) Reconstruction of diachronic changes in human fishing activity and marine ecosystems from carbon and nitrogen stable isotope ratios of archaeological fish remains. Quaternary International, 619, 46-55. doi:10.1016/j.quaint.2021.12.005. [Abstract]
Nurlatifah, Yamauchi, T., Nakajima, R., Tsuchiya, M., Yabuki, A., Kitahashi, T., Nagano, Y., Isobe, N., and Nakata, H. (2021) Plastic additives in deep-sea debris collected from the western North Pacific and estimation for their environmental loads. Science of the total environment, 768, 144537. doi:10.1016/j.scitotenv.2020.144537. [Abstract]
Kajita, H., Maeda, A., Utsunomiya, M., Yoshimura, T., Ohkouchi, N., Suzuki, A., and Kawahata, H. (2021) Biomarkers in the rock outcrop of the Kazusa Group reveal palaeoenvironments of the Kuroshio region. Communications Earth & Environment, 2:82. doi:10.1038/s43247-021-00154-2. [Open Access]
Ito, M., Takano, Y., Kebukawa, Y., Ohigashi, T., Matsuoka, M., Kiryu, K., Uesugi, M., Nakamura, T., Yuzawa, H., Yamada, K., Naraoka, H., Yada, T., Abe, M., Hayakawa, M., Saiki, T., Tachibana, S., and Hayabusa2 project team. (2021) Assessing the debris generated by the small carry-on impactor operated from the Hayabusa2 mission. Geochemical Journal, 55, 223-239. doi:10.2343/geochemj.2.0632. [Open Access]
Tangunan, D., Berke, M.A., Cartagena Sierra, A., Flores, J.A., Gruetzner, J., Jiménez-Espejo, F.J., LaVay, L.J., Baumann, K.H., Romero, O., Saavedra Pellitero, M., Coenen, J.J., Starr, A., Hemming, S.R., Hall, I.R., and Expedition 361 Science Party. (2021) Strong glacial-interglacial variability in upper ocean hydrodynamics, biogeochemistry, and productivity in the southern Indian Ocean. Communications Earth & Environment, 2, 80. doi:10.1038/s43247-021-00148-0. [Open Access]
Dekov, V.M., Guéguen, B., Yamanaka, T., Moussa, N., Okumura, T., Bayon, G., Liebetrau, V., Yoshimura, T., Kamenov, G., Araoka, D., Makita, H., and Sutton, J. (2021) When a mid-ocean ridge encroaches a continent: Seafloor-type hydrothermal activity in Lake Asal (Afar Rift). Chemical Geology, 568, 120126. doi:10.1016/j.chemgeo.2021.120126. [Abstract]
Ishikawa, N.F., Ogawa, N.O., Chikaraishi, Y., Yamaguchi, M., Fujikura, K., Miyairi, Y., Yokoyama, Y., Nagata, T. and Ohkouchi, N. (2021) Influences of Ocean Currents on the Diets of Demersal Fish Communities in the Western North Pacific Revealed by Their Muscle Carbon and Nitrogen Isotopic Compositions. Frontiers in Marine Science, 8:641282. doi:10.3389/fmars.2021.641282. [Open Access]
Nakajima, R., Tsuchiya. M., Yabuki, A., Masuda, S., Kitahashi, T., Nagano, Y., Ikuta, T., Isobe, N., Nakata, H., Ritchie, H., Oguri, K., Osafune, S., Kawamura, K., Suzukawa, M., Yamauchi, T., Iijima, K., Yoshida, T., Chiba, S., and Fujikura, K. (2021) Massive occurrence of benthic plastic debris at the abyssal seafloor beneath the Kuroshio Extension, the North West Pacific. Marine Pollution Bulletin, 166, 112188. doi:10.1016/j.marpolbul.2021.112188. [Open Access]
Takano, Y., Oba, Y., Furota, S., Naraoka, H., Ogawa, N.O., Blattmann, T.M., and Ohkouchi, N. (2021) Analytical development of seamless procedures on cation-exchange chromatography and ion-pair chromatography with high-precision mass spectrometry for short-chain peptides. International Journal of Mass Spectrometry, 463, 116529. doi:10.1016/j.ijms.2021.116529. [Open Access]
Furukawa, Y., Iwasa, Y., and Chikaraishi, Y. (2021) Synthesis of 13C-enriched amino acids with 13C-depleted insoluble organic matter in a formose-type reaction in the early solar system. Science Advance, 7, eabd3575. doi:10.1126/sciadv.abd3575. [Open Access]
Yamamoto, S., Nishizawa, F., Yoshimoto, M., Miyairi, Y., Yokoyama, Y., Suga, H., and Ohkouchi, N. (2021) Dating Lake Sediments Using Compound-Specific 14C Analysis of C16 Fatty Acid: A case study from the Mount Fuji Volcanic Region, Japan. Geochemistry Geophysics Geosystems, 22(5), e2020GC009544. doi:10.1029/2020GC009544. [Open Access]
Suetsugu, K., Yamato, M., Matsubayashi, J., and Tayasu, I. (2021) Partial and full mycoheterotrophy in green and albino phenotypes of the slipper orchid Cypripedium debile. Mycorrhiza, 31(3), 301-312. doi:10.1007/s00572-021-01032-7. [Abstract]
Tam, E., and Yokoyama, Y. (2021) A Review of MIS 5e Sea-level Proxies around Japan. Earth System Science Data, 13, 1477-1497. doi:10.5194/essd-13-1477-2021. [Open Access]
Yokoyama, Y., and Purcell, A. (2021) On the geophysical processes impacting palaeo-sea-level observations. Geoscience Letters, 8, 13. doi:10.1186/s40562-021-00184-w. [Open Access]
Bulian, F., Sierro, F.J., Ledesma, S., Jiménez Espejo, F.J., and Bassetti, M.A. (2021) Messinian West Alboran Sea record in the proximity of Gibraltar: early signs of Atlantic-Mediterranean gateway restriction. Marine Geology, 434, 106430. doi:10.1016/j.margeo.2021.106430. [Open Access]
Tsutaya, T., Mackie, M., Sawafuji, R., Miyabe-Nishiwaki, T., Olsen, J.V., and Cappellini, E. (2021) Faecal proteomics as a novel method to study mammalian behaviour and physiology. Molecular Ecology Resources, 21(6), 1808-1819. doi:10.1111/1755-0998.13380. [Open Access]
Sproson, D.A., Takano, Y., Miyairi, Y., Aze, T., Matsuzaki, H., Ohkouchi, N., and Yokoyama, Y. (2021) Beryllium isotopes in sediments from Lake Maruwan Oike and Lake Skallen, East Antarctica, reveal substantial glacial discharge during the late Holocene. Quaternary Science Reviews, 256, 106841. doi:10.1016/j.quascirev.2021.106841. [Abstract]
Kuwahara, Y., Yasukawa, K., Fujinaga, K., Nozaki, T., Ohta, J., Sato, H., Kimura, J.-I., Nakamura, K., Yokoyama, Y., and Kato, Y. (2021) Rapid coupling between solid earth and ice volume during the Quaternary. Scientific Reports, 11, 1-14. doi:10.1038/s41598-021-84448-7. [Open Access]
Yoshimura, T., Wakaki, S., Kawahata, H., Hossain, H.M.Z., Manaka, T., Suzuki, A., Ishikawa, T., and Ohkouchi, N. (2021) Stable Strontium Isotopic Compositions of River Water, Groundwater and Sediments From the Ganges-Brahmaputra-Meghna River System in Bangladesh. Frontiers in Earth Science, 9:592062. doi:10.3389/feart.2021.592062. [Open Access]
Taylor, A.K., Berke, M.A., Castañeda, I.S., Koutsodendris, A., Campos, H., Hall, I.R., Hemming, S.R., LeVay, L.J., Cartagena Sierra, A., O'Connor, K., and Expedition 361 Scientists (including Jiménez-Espejo, F.J.). (2021) Plio-Pleistocene Continental Hydroclimate and Indian Ocean Sea Surface Temperatures at the Southeast African Margin. Paleoceanography and Paleoclimatogy, 36(3), e2020PA004186. doi:10.1029/2020PA004186. [Abstract]
Fujiwara, Y., Kawato, M., Poulsen, J.Y., Ida, H., Chikaraishi, Y., Ohkouchi, N., Oguri, K., Gotoh, S., Ozawa, G., Tanaka, S., Miya, M., Sado, T., Kimoto, K., Toyofuku, T., and Tsuchida, S. (2021) Discovery of a colossal slickhead (Alepocephaliformes: Alepocephalidae): an active-swimming top predator in the deep waters of Suruga Bay, Japan. Scientific Reports, 11, 2490. doi:10.1038/s41598-020-80203-6. [Open Access]
Starr, A., Hall, I.R., Barker, S., Rackow, T., Zhang, X., Hemming, S.R., van der Lubbe, H.J.L., Knorr, G., Berke, M.A., Bigg, G.R., Cartagena-Sierra, A., Jiménez Espejo, F.J., Gong, X., Gruetzner, J., Lathika, N., LeVay, L.J., Robinson, R.S., Ziegler, M., and Expedition 361 Science Party. (2021) Antarctic icebergs reorganize ocean circulation during Pleistocene glacials. Nature, 589, 236-241. doi:10.1038/s41586-020-03094-7. [Abstract]
Urai, A., Takano, Y., Imachi, H., Ishii, S., Matsui, Y., Ogawara, M., Tasumi, E., Miyairi, Y., Ogawa, N.O., Yoshimura, T., Inagaki, F., Yokoyama, Y., Murai, D., Kawano, K., Park, H.D., and Ohkouchi, N. (2021) Origin of Deep Methane Associated with a Unique Community of Microorganisms in an Organic- and Iodine-Rich Aquifer. ACS Earth and Space Chemsitry, 5(1), 1-11. doi:10.1021/acsearthspacechem.0c00204. [Open Access]
Ashley, K.E., McKay, R., Etourneau, J., Jimenez Espejo, F.J., Condron, A., Albot, A., Crosta, X., Riesselman, C., Seki, O., Massé, G., Colledge, N.R., Gasson, E., Lowry, D.P., Barrand, N.E., Johnson, K., Bertler, N., Escutia, C., Dunbar, R., and Bendle, J.A. (2021) Mid-Holocene Antarctic sea-ice increase driven by marine ice sheet retreat. Climate of the Past, 17, 1-19. doi:10.5194/cp-17-1-2021. [Open Access]
Hsiung, K.-H., Kanamatsu, T., Ikehara, K., Usami, K., Horng, C.-S., Ohkouchi, N., Ogawa, N.O., Saito, S., and Murayama, M. (2021) X-ray fluorescence core scanning, magnetic signatures, and organic geochemistry analyses of Ryukyu Trench sediments: turbidites and hemipelagites. Progress in Earth and Planetary Science, 8:2. doi:10.1186/s40645-020-00396-2. [Open Access]

2020

Lastra Luque, P., Sakai, S., Murua, H., and Arrizabalaga, H. (2020) Protocol for Sampling Sequential Fin Spine Growth Intervals for Isotope Analysis in the Atlantic Bluefin Tuna. Frontiers in Marine Science, 7:588651. doi:10.3389/fmars.2020.588651. [Open Access]
Oyabu, I., Kawamura, K., Kitamura, K., Dallmayr, R., Kitamura, A., Sawada, C., Severinghaus, J.P., Beaudette, R., Orsi, A., Sugawara, S., Ishidoya, S., Dahl-Jensen, D., Goto-Azuma, K., Aoki, S., and Nakazawa, T. (2020) New technique for high-precision, simultaneous measurements of CH4,N2O and CO2 concentrations; isotopic and elemental ratios of N2, O2 and Ar; and total air content in ice cores by wet extraction. Atmospheric Measurement Techniques, 13, 6703-6731. doi:10.5194/amt-13-6703-2020. [Open Access]
Nakanishi, R., Okamura, S., Yokoyama, Y., Miyairi, Y., Sagayama, T., and Ashi, J. (2020) Holocene tsunami, storm, and relative sea level records obtained from the southern Hidaka coast, Hokkaido, Japan. Quaternary Science Reviews, 250, 106678. doi:10.1016/j.quascirev.2020.106678. [Abstract]
Oba, Y., Takano, Y., Naraoka, H., Furukawa, Y., Glavin, D.P., Dworkin, J.P. and Tachibana, S. (2020) Extraterrestrial hexamethylenetetramine in meteorites―a precursor of prebiotic chemistry in the inner solar system. Nature Communications, 11: 6243. doi:10.1038/s41467-020-20038-x. [Open Access]
Yoshimura, T., Wakaki, S., Ishikawa, T., Gamo, T., Araoka, D., Ohkouchi, N., and Kawahata, H. (2020) A systematic assessment of stable Sr isotopic compositions of vent fluids in arc/back-arc hydrothermal systems: effects of host rock type, phase separation, and overlying sediment. Frontiers in Earth Science, 8 :591711. doi:10.3389/feart.2020.591711. [Abstract]
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