大気海洋研究拠点 研究船共同利用：研究成果

2026年

Ahmed, S. I., Z. Yu, T. Higuchi, J. Inoue, M. K.-S. Wong, X. Wang, Y. Lin, S. Itoh, K. Komatsu, E. Tsutsumi, H. Fukuda, S. Hyodo, J. Morrongiello, E. M. Bendif, and S. Ito (2026) Patterns in marine surface fish biodiversity and community composition detected by different eDNA metabarcoding sampling methods. Journal of Oceanography, doi:10.1007/s10872-025-00771-x. KS-18-5, KS-21-3, KS-21-8, KS-21-11, KS-21-12, KS-21-24, KS-22-11, KS-22-15, KH-23-3

Amei, K., J. Hirai, E. Goetze, and Y. Nishibe (2026) Global-scale biogeography of the pelagic polychaete family Tomopteridae (Annelida) revealed by DNA barcoding and genome-wide single nucleotide polymorphisms. Progress in Oceanography, doi:10.1016/j.pocean.2026.103689. KH-11-10Leg2, KH-14-3, KH-17-4, KH-19-6Leg1,Leg2,Leg3, KH-22-5

Blanco-Bercial, L., J. M. Questel, P. G. Batta-Lona, R. Escribano, T. Falkenhaug, J. Hirai, J. A. Huggett, P.M. Arbizu, K. T. C. A. Peijnenburg, L. Suter, A. Weydmann-Zwolicka, S. Dubbeldam, E. Duijm, E. Ershova-Menze, C. E. Gonzalez, A. Govender, J. Groeneveld, S. Khodami, A. J. MacDonald, M. Mioduchowska, A. M. Polanowski, R. Rodriguez-Perez, T. D. O'Brien, and A. Bucklin (2026) MetaZooGene Intercalibration Experiment (MZG-ICE): Metabarcoding Marine Zooplankton Diversity of the Global Ocean. Molecular Ecology Resources, doi:10.1111/1755-0998.70090. KH-22-5

Furumak, S., H. Li, M. Suzuki, and Y. Mitani (2026) Spatial and temporal distribution patterns of marine mammals in the southern Sea of Okhotsk around Hokkaido, Japan. Regional Studies in Marine Science, doi:10.1016/j.rsma.2026.104853. KS-21-6, KS-22-6, KS-23-15

Imai, M., A. Murayama, K. Ono, Y. Yamashita, K. Suzuki, T. Nakamura, K. I. Ohshima, H. Mitsudera, J. Nishioka (2026) Iron dynamics during spring phytoplankton bloom in the southern Sea of Okhotsk: The impact of sea ice melt on iron supply. Progress in Oceanography, doi:10.1016/j.pocean.2025.103587. KS-21-6

Inoue, J., J. Hirai, K. Ikeba, Z. Yu, S. I. Ahmed, Z. Lin, Y. Lin, M. K.-S. Wong, C. Shinzato, S. Itoh, S. Ito, H. Saito, and S. Hyodo (2026) eDNAmap: A metabarcoding web tool for comparing marine biodiversity, with special reference to teleost fish. Molecular Ecology Resources, doi:10.1111/1755-0998.70066. KH-20-9, KH-22-5

Ishizuka, O., R. N. Taylor, T. Sato, G. Shimoda, Y. Harigane, S. Umino, I. Sakamoto, Y. Yokoyama, K. Mori, K. Tani, Y. Ohara, and C. E. Conway (2026) Geochemical systematics of spreading ridge-arc collision ? Philippine Sea CBF rift and the Izu-Bonin arc. Chemical Geology, doi:10.1016/j.chemgeo.2026.123232. YK24-05S

Kodama, T., A. C. Martiny, F. Hashihama, and K. Furuya (2026) Spatial patterns and regulation of nanomolar-level nutrients in the surface oligotrophic oceans. Global Biogeochemical Cycles, doi:10.1029/2025GB008987. KH-09-5Leg1,Leg2,Leg3, KH-11-10Leg1,Leg2

Koge, H., S. Ishino, Y. Harigane, A. Misawa, T. Sato, O. Ishizuka, G. Shimoda, J. Arimoto, S. Furuyama, C. Tamura, H. Minami, T. Tamai, S. Yabe, Y. Amezawa, H. Katayama, Y. Suzuki, M. Yamashita, S. Ono, Y. Yokoyama, T. Mori, Y. Sato, K. Kameo, R. Komatsu, M. Nakao, and T. inoue (2026) Tectonics of earthquake swarms in the Tokara Gap of northern Ryukyu Arc based on marine geological and geophysical surveys. Scientific Reports, doi:10.1038/s41598-026-41371-z. KH-22-2, KH-23-1

Lin, Y., Z. Yu, S. I. Ahmed, X. Wang, T. Higuchi, I. Yabe, M. K.-S. Wong, S. Itoh, E. Tsutsumi, H. Saito, K. Komatsu, A. Tsuda, Y. Kawaguchi, E. Oka, H. Obata, Y. Minegishi, H. Fukuda, J. Inoue, S. Hyodo, and S. Ito (2026) Opposite latitudinal biodiversity gradient in the open ocean generated by transition zones: Insights from fish distribution in the Northwest Pacific. Progress in Oceanography, doi:10.1016/j.pocean.2026.103685. KS-18-5, KS-20-13, KS-21-3, KS-21-8, KS-21-11, KS-21-12, KS-21-24, KS-22-7, KS-22-11, KS-22-15, KS-23-2

Matthews, S. A., K. Kaminsky, A. E. Cazares-Nuesser, J. M. Questel, L. Blanco-Bercial, J. Hirai, and M. D. Ohman (2026) Influences of dispersal and environmental selection on zooplankton distributions across the upper 1000 m of the North Pacific. Journal of Biogeography, doi:10.1111/jbi.70115. KH-11-10Leg1, KH-12-1, KH-13-7Leg1, KH-14-3, KH-17-4

Michibayashi, K., S. Inoue, V. Basch, M. Cuffaro, Y. Harigane, S. Katagiri, T. Moriguchi, I. Natsume, K. Nimura, K. Okino, T. Okuwaki, R. Oyanagi, A. Sanfilippo, J. E. Snow, H. Yamashita, and Y. Ohara (2026) Amagmatic mylonitic deformation of mantle peridotites from the Tosa Megamullion in the Shikoku Basin, Philippine Sea. Minerals, doi:10.3390/min16020154. YK22-18S, YK23-05S

Nakanishi, R., H. Naruse, A. Kioka, and A. Ijiri (2026) Lack of seabed response to ground motion arising from a Mw5.7 earthquake in Ryukyu Trench revealed by immediate research vessel surveys. Marine Geology, doi:10.1016/j.margeo.2026.107777. KS-24-4, KS-25-2, KH-23-4

Ogawa, A. and T. Nishikawa (2026) Second Discovery of an Epizoic Deep-sea Holothurian-Ascidian Association, Pseudostichopus mollis (Echinodermata: Holothuroidea) and Cnemidocarpa ochotense (Urochordata: Ascidiacea), on the Western Slope of the Chishima Trench, Northeast Japan. Species Diversity, doi:10.12782/specdiv.31.115. KH-22-8

Suzuki, T., S. Otosaka, H. Takata, J. Kuwabara, T. Nakanishi, and T. Ikenoue (2026) Long-term variations in ¹²⁹I seawater concentrations off Fukushima and potential of ¹²⁹I as an oceanographic tracer for ALPS-treated water. Environmental Science & Technology, doi:10.1021/acs.est.5c18263. KT-12-10, KT-13-1, KK-13-5, KS-14-6, KS-14-20, KS-15-13, KS-16-19, KS-17-11, KS-18-12, KS-24-5

Takahashi, K., F. Hashihama, M. Sato, T. Shiozaki, S. Horii, and J. Hirai (2026) Flux‐driven evolution: Nitrogen fixation underlies contrasting stoichiometric strategies and genetic lineages in an open‐ocean copepod. Limnology and Oceanography, doi:10.1002/lno.70377. KH-14-3

Ueno, T., D. Yanagimoto, and S. Fujio (2026) Bottom-trapped topographic Rossby waves induced by a warm-core ring on the offshore slope of a trench in the western North Pacific Ocean. Journal of Physical Oceanography, doi:10.1175/JPO-D-25-0192.1. KH-23-5, KS-20-18

Yamamoto, D. and S. Kojima (2026) A new species of Paradulichia (Amphipoda: Senticaudata: Dulichiidae) collected from hadal depths of the Kuril-Kamchatka Trench. Journal of Natural History, doi:10.1080/00222933.2025.2601725. KH-22-8

Yu, Z., M. K.-S. Wong, J, Inoue, Y. Lin, I. Yabe, T. Higuchi, S. Hyodo, S. Itoh, Y. Nishibe, H. Obata, S. Ito (2026) Environmental DNA of small pelagic fish in the deep ocean. Progress in Oceanography, doi:10.1016/j.pocean.2025.103625. KS-18-5, KH-23-2, KS-23-11

2025年

Adachi, K., A. Yoshida, T. Mori, N. Moteki, S. Ohata, K. Kita, Y. Kawai, and M. Koike (2025) Individual particle compositions and aerosol mixing states at different altitudes over the ocean in East Asia. Atmospheric Chemistry and Physics, doi:10.5194/acp-25-12599-2025. KS-22-10

Ahmed, S.I., Z. Yu, T. Higuchi, J. Inoue, M.K.-S. Wong, S. Yoshizawa, S. Itoh, K. Komatsu, Y. Kawaguchi, E. Tsutsumi, Y. Lin, S. Hyodo, J. Morrongiello, and S. Ito (2025) Fish species detection by environmental DNA metabarcoding by three surface sampling methods. Regional Studies in Marine Science, doi:10.1016/j.rsma.2025.104557. KS-18-5, KS-21-3, KS-21-8, KS-21-11, KS-21-12, KS-21-24, KS-22-11

Chang, F.-H., A. C.-H. Liu, J. W. Yang, H. Saito, Y. Umezawa, C.-C. Chen, J. Sen, and C. Hsieh (2025) Biotic and abiotic factors shaping the metacommunity structure of free-living bacterioplankton and nanoflagellates in the Kuroshio region. Molecular Ecology, doi:10.1111/mec.70150. KH-15-4

Deng, H., K. Suzuki, I. Yasuda, H. Ogawa, and J. Nishioka (2025) Phytoplankton community structure in relation to iron and macronutrient fluxes from subsurface waters in the western North Pacific during summer. Biogeosciences, doi:10.5194/bg-22-1495-2025. KH-08-2Leg2

Hirai, J. (2025) Optimal input DNA thresholds for genome skimming in marine crustacean zooplankton. PeerJ, doi:10.7717/peerj.19054. KH-14-3

Horii, S., T. Kodama, T. Shiozaki, I. Tanita, H. Kurogi, H. Miyamoto, S. Suyama, T. Fuji, Y. Kato, D. Ambe, T. Sato, T. Ichikawa, K. Furuya, and K. Takahashi (2025) Carbon and nitrogen isoscapes of particulate organic matter in the Pacific Ocean. Global Biogeochemical Cycles, doi:10.1029/2024GB008336. KH-11-10Leg2, KH-14-3, KH-17-4

Ijichi, T., R. Inoue, and Y. Furushima (2025) Phase-locked internal-wave triads observed in the Izu-Ogasawara Ridge: Implications for interplay between tides and winds. Journal of Geophysical Research: Oceans, doi:10.1029/2025JC022501. KS-23-8

Isaji, Y., K. Sugie, N. F. Ishikawa, N. O. Ogawa, K. Matsumoto, C. Yoshikawa, H. Obata, M. C. Honda, and N. Ohkouchi (2025) Distributions of heme B and its implications on Fe biogeochemistry in the eastern Indian Ocean and the western North Pacific Ocean. Progress in Earth and Planetary Science, doi:10.1186/s40645-025-00689-4. KH-18-6Leg2

Jimi, N., G. A. Pratama, A. Ogawa, Y. Fujiwara, and N. Hookabe (2025) Two new deep-sea myzostomid species (Annelida: Myzostomida) from the Northwest Pacific off Japan. Plankton and Benthos Research, doi:10.3800/pbr.20.241. YK24-09S

Kakui, K., S. Shiraki, and N. Hookabe (2025) Fecampiid flatworms parasitic in a tanaidacean crustacean. Journal of Helminthology, doi:10.1017/S0022149X25000057. YK24-09S

Kasaya, T., H. Minami, K. Okino, J. Kaneko, and S. Ono (2025) Submarine landslides caused by the 2024 Noto Peninsula earthquake. Earth, Planets and Space, doi:10.1186/s40623-025-02204-x. KH-24-E1

Khim, B.-K., M. Ikehara, and J. Y. Yang (2025) Paleoceanographic evolution of surface and bottom waters at the Conrad Rise in the Indian sector of the Southern Ocean since the Last Glacial Maximum. Palaeogeography, Palaeoclimatology, Palaeoecology, doi:10.1016/j.palaeo.2025.113332. KH-10-7

Knauber, H., A. Brandt, and T. Riehl (2025) Traversing the North Pacific: Biogeography and connectivity patterns of deep-sea isopods across three trench systems. Progress in Oceanography, doi:10.1016/j.pocean.2025.103623. KH-22-8, KH-23-5

Kobayashi, I., Y. Ameda, N. Hookabe, A. Ogawa, and H. Kohtsuka (2025) First record of the family Korethrasteridae (Asteroidea: Velatida) from Japan and descriptions of two new species. Tropical Zoology, doi:10.4081/tz.2025.193. YK24-09S

Koike, M., Y. Kawai, K. Adachi, H. Aiki, Y. Kanaya, H. Kawai, K. Kita, F. Kondo, T. Koshiro, H. Matsui, T. Miyakawa, A. Miyamoto, T. Miyasaka, Y. Miyazaki, M. Mochida, T. Mori, N. Moteki, T. Murayama, H. Nakamura, S. Ohata, E. Oka, S. Okajima, Y. Tobo, S. Sekizawa, and A. Yoshida (2025) Integrated aircraft and research vessel observational studies of aerosols and clouds in summer over the western North Pacific. Progress in Earth and Planetary Science, doi:10.1186/s40645-025-00719-1. KS-22-10

Kosugi, N., K. Sato, and E. Oka (2025) Air-sea oxygen fluxes in mid-latitude western North Pacific quantified by the array of biogeochemical Argo floats. Journal of Oceanography, doi:10.1007/s10872-025-00762-y. KH-21-1

Kumamoto, Y., Y. Hamajima, H. Kaeriyama, and H. Nagai (2025) Fukushima-derived radiocesium tracks the mode waters in the western subtropical area of the North Pacific. Journal of Oceanography, doi:10.1007/s10872-025-00745-z. KH-14-6. KH-17-5Leg3, KS-18-4, KH-19-4, KH-21-1, KS-21-9

Liu, A. C.-H., F.-H. Chang, J. W. Yang, H. Saito, Y. Umezawa, C.-C. Chen, S. Jan, and C. Hsieh (2025) Small eukaryotic plankton community and alpha diversity variability in the Kuroshio region. Marine Environmental Research, doi:10.1016/j.marenvres.2025.107250. KH-15-4

Matsuzaki, K. M., T. Itaki, Y. Kubota, K. E. Lee, I. Motoyama, T. Sagawa, K. Horikawa, M. Murayama, and H. Obata (2025) Review of radiolarian microfossils as a tool for reconstructing sea surface temperature of the past in the Northwest Pacific. Progress in Earth and Planetary Science, doi:10.1186/s40645-025-00706-6. KH-21-3, YK-21-07S, KH-22-3, KS-22-4, KH-22-7, KS-24-6

Miyazaki, Y., Y. Wang, E. Tachibana, K. Suzuki, Y. Yamashita, and J. Nishioka (2025) Formation of marine atmospheric organic aerosols associated with the spring phytoplankton bloom after sea ice retreat in the Sea of Okhotsk. Atmospheric Chemistry and Physics, doi:10.5194/acp-25-18325-2025. KS-21-6

Nakamura, T., J. Ueda, T. Kono, J. Nishioka, H. Mitsudera, and K. Ito (2025) High-turbidity bottom mixed-layer water on the shelf off Hokkaido in the Okhotsk Sea: distribution, seasonal variations, and spreading. Journal of Oceanography, doi:10.1007/s10872-025-00755-x. KH-20-12, KS-21-6, KS-22-6

Nakanishi, R., A. Maeda, A. Amano, J. Ashi, A. Yamaguchi, Y. Yokoyama, and Y. Miyairi (2025) Estimation of turbidite source area in late Pleistocene to Holocene around Kikai Island based on mineral and biogenic calcium carbonate composition. Marine Geology, doi:10.1016/j.margeo.2025.107593. KH-22-3

Nimura, K., K. Michibayashi, Y. Harigane, and Y. Ohara (2025) Microstructural characteristics of sheared gabbroic rocks from the Mado Megamullion, Shikoku Basin, Philippine Sea. Island Arc, doi:10.1111/iar.70029. YK19-04S

Ohta, M., K. Kakui, S. Kojima, and M. Shimomura (2025) Integrative taxonomy of Janirella (Isopoda: Asellota: Janirellidae), with descriptions of two new species from the Japan Trench and an amended classification of the genus. Biologia, doi:10.1007/s11756-025-01906-7. KH-22-8, KH-23-5, KS-16-18, KS-17-6, KS-18-2, KS-20-18

Ohta, M., S. Kojima, S. Kaiser, A. Brandt (2025) High connectivity of a new Eurycope (Asellota: Munnopsidae) species from Japanese waters and the Bering Sea with intraspecific genetic divergence among local populations. Progress in Oceanography, doi:10.1016/j.pocean.2025.103588. KS-16-18, KS-21-14

Okamoto, K. and S. Kojima (2025) Genetic structure of Eudorella emarginata (Peracarida: Cumacea): Effects of topography and historical anoxic events in the Sea of Japan. Ecology and Evolution, doi:10.1002/ece3.72098. KS-15-10, KS-18-8, KS-19-7, KS-19-20, KS-20-15, KS-20-18, KS-21-13, KS-21-14, KH-22-8

Sato, K., H. Uchida, and S. Hosoda (2025) Performance evaluation of optical dissolved oxygen sensor, ARO-FT. Journal of Oceanography, doi:10.1007/s10872-025-00776-6. KH-21-1

Sato, M. and S. Takeda (2025) Examining nickel limitation on urea utilization by phytoplankton communities in the subtropical Pacific Ocean. Marine Chemistry, doi:10.1016/j.marchem.2024.104484. KH-11?10Leg1,Leg2, KH-12-3

Sato, T., T. Yamaguchi, K. Hidaka, S. Sogawa, T. Setou, T. Kodama, T. Shiozaki, and K. Takahashi (2025) Grazing mortality as a controlling factor in the uncultured non-cyanobacterial diazotroph (Gamma A) around the Kuroshio region. Biogeosciences, doi:10.5194/bg-22-625-2025. KH-20-9

Sekiguchi, S., H. Kohtsuka, and K. Kakui (2025) First record of the deep-sea sea spider Bathypallenopsis californica (Arthropoda: Pycnogonida) from the northwestern Pacific, with a note on an attached crinoid. Zoological Science, doi:10.2108/zs250004. KH-22-8

Sugai, M., Ushio, J. Hirai, M. Hasegawa-Takano, T. Fujiwara, M. Takada, K. Mori, H. Fukuda, H. Saito, K. Hamasaki, S. Hyodo, and S. Yoshizawa (2025) Different structuring factors and distribution patterns of marine prokaryotic and eukaryotic communities in the subtropical Kuroshio region. Frontiers in Marine Science, doi:10.3389/fmars.2025.1656531. KH-22-5, KS-22-15

Sukigara, C., R. Inoue, K. Sato, Y. Mino, T. Nagai, A.J. Fassbender, Y. Takeshita, and E. Oka (2025) Biophysical Interactions Stimulate the Spring Phytoplankton Bloom in the North Pacific Subtropical Recirculation Gyre. Journal of Geophysical Research: Oceans, doi:10.1029/2025JC022718. KS-18-1、KS-18-4

Sun, Y., J. Nishioka, T. Toyota, and K. Suzuki (2025) Photosynthetic carbon fixation capability of diatom communities in the southern Sea of Okhotsk from winter to spring as estimated using their rbcL genes. Journal of Oceanography, doi:10.1007/s10872-025-00778-4. KS-22-6

Sun, Y., J. Nishioka, T. Toyota, and K. Suzuki (2025) Determining dominant phytoplankton assemblages and their controlling factors in the winter sea-ice-covered southern sea of okhotsk and the spring open water through a multiple analytical approach. Marine Environmental Research, doi:10.1016/j.marenvres.2025.107297. KS-22-6

Tomita, F., M. Kido, T. Iinuma, and Y. Ohta (2025) GNSS-Acoustic positioning error in the vertical component considering the uncertainty of a reference sound speed profile. Marine Geophysical Research, doi:10.1007/s11001-025-09563-w. KS-14-17, KS-15-3, KS-16-14, KS-17-13, KS-18-10, KS-19-12, KS-20-16, KS-21-5, KS-21-25, KS-23-4, KS-23-14, KH-15-2

Tonegawa, T., T. Akuhara, Y. Yamashita, H. Sugioka, M. Shinohara, S. Takemura, and T. Tsuji (2025) Accretionary prism deformation and fluid migration caused by slow earthquakes in the Nankai subduction zone. Solid Earth, doi:10.5194/se-16-579-2025. KS-19-18, KS-21-10

Toyota, T., Y. Arihara, T. Waseda, M. Ito, and J Nishioka (2025) Melting processes of the marginal ice zone inferred from floe size distributions measured with a drone in the southern Sea of Okhotsk. Polar Science, doi:10.1016/j.polar.2025.101215.

Wong, K.H., H. Obata, A. Takamura, I. Ishizaki, S. Kato, I. Kim, Y. Kondo, A.S. Mashio, and H. Hasegawa (2025) Particulate thiols along a meridional transect in the western North Pacific: Insights from laboratory cultures of Synechococcus sp. and Thalassiosira nordenskioeldii. Science of The Total Environment, doi:10.1016/j.scitotenv.2025.180977. KH-22-7, KH-23-2

Yamamoto, D., M. Kodama, and S. Kojima (2025) A new species each of Sicafodia Just, 2004 (Amphipoda: Sicafodiidae) and of its parasite Rhizorhina Hansen, 1892 (Copepoda: Nicothoidae) from the deep bathyal off northeastern Japan. Journal of Crustacean Biology, doi:10.1093/jcbiol/ruaf027. KS-20-18

Yamamoto, D., T. Takano, and S. Kojima (2025) Morphology and phylogenetic relationships of cryptoniscus larvae (Epicaridea, Isopoda, Cryptoniscoidea) parasitising amphipods from the abyssal and hadal depths of the Japan Trench. Marine Biodiversity, doi:10.1007/s12526-025-01519-y. KH-23-5

高下裕章・村上文敏・大塚宏徳・中西 諒・三澤文慶 (2025) Pythonを使ってSBPを表示しよう；白鳳丸Bathy2010. 地質学雑誌, doi:10.5575/geosoc.2024.0033. KH-22-10

藤原義弘・土田真二・Dhugal Lindsay (2025) 深海生物生態図鑑, ISBN 978-4-251-09347-9. YK24-09S

2024年

Akizawa, N., K. Ito, S. Niki, T. Hirata, K. Okino, and Y. Ohara (2024) Late dry back-arc magmatism recorded as dolerite dike intrusion in the Mado Megamullion, Shikoku Basin. Geochemical Journal, doi:10.2343/geochemj.GJ24016. KH-18-2

Brandt, A., F. Bergmeier, A. Casaubon, Y. Kano, A. Kelch, H. Knauber, K. Okamoto, M. Ohta, S. Shiraki, D. Yamamoto, and S. Kojima (2024) Benthos meets plankton: isopods sampled in the Japan Trench by means of plankton nets fixed to large bottom trawls. Marine Biodiversity, doi:10.1007/s12526-024-01442-8. KH-23-5

Chen, C., N. Hookabe, and H. Komatsu (2024) Faunal community of a new hot vent field on the Amami Rift. Journal of the Marine Biological Association of the United Kingdom, doi:10.1017/S0025315424000304. YK23-16S

Ebihara, A., H. Fukuda, Y. Yamada, T. Yokokawa T. Miki, and T. Nagata (2024) Structuring of particle-associated bacterial communities along the extracellular polymeric substance gradient of sinking and suspended particles in an oligotrophic, subtropical region of the western North Pacific Ocean. Frontiers in Marine Science, doi:10.3389/fmars.2024.1462522. KH-20-9

Furukawa, K., T. Kanamaru, K. Tani, N. Kawamura, J. Shibuya, and Y. Yamamoto (2024) Advancing seafloor sampling using submersibles and remotely operated vehicles: The cross-line laser orientation method. Tectonophysics, doi:10.1016/j.tecto.2024.230389. YS23-16S

Honda, M., K. I. Ohshima, V. Mensah, J. Nishioka, M. Sato, and S. C. Riser (2024) Sea ice-melt amount estimated from spring hydrography in the Sea of Okhotsk: spatial and interannual variabilities. Journal of Oceanography, doi:10.1007/s10872-024-00721-z. KS-21-6, KS-22-6

Inoue, J., C. Shinzato, J. Hirai, S. Itoh, Y. Minegishi, S. Ito, and S. Hyodo (2024) phyloBARCODER: A web tool for phylogenetic classification of eukaryote metabarcodes using custom reference databases. Molecular Biology and Evolution, doi:10.1093/molbev/msae111. KS-18-5

Kajihara H., J, Abato, and M. Matsushita (2024) New locality for the deep-sea acorn worm Quatuoralisia malakhovi (Hemichordata: Enteropneusta). Russian Journal of Marine Biology., doi:10.1134/S1063074023060111. KH-22-8

Kakui, K., S. Shiraki, and N. Hookabe (2024) A new parasitic barnacle (Crustacea, Cirripedia, Rhizocephala, Mycetomorpha) from the abyssal zone in the northwestern Pacific. Zoosystematics and Evolution, doi:10.3897/zse.100.120887. KH-23-5

Kawabata, K., F. Tsunomori, Y. Kitamura, Y. Y. Lin, C. H. Chan, and K. F. Ma (2024) Radon concentration in seawater as a geochemical indicator of submarine fault activity in the Yatsushiro Sea, Japan. Scientific Reports, doi:10.1038/s41598-024-59006-6. KH-18-3

Kawai, Y., E. Oka, K. Sato, S. Hosoda, and S. Kido (2024) Marine heatwave in the Oyashio region in 2022/23 and its impact on subsurface dissolved oxygen. Journal of Oceanography, doi:10.1007/s10872-024-00731-x. KS-22-10

Kobayashi, G. and H. Abe (2024) Cost-efficient PCR based DNA barcoding of marine invertebrate specimens with NovaSeq amplicon sequencing. Molecular Biology Reports, doi:10.1007/s11033-024-09811-z. KH-16-5, KH-17-2, KH-17-3, KH-22-8, KS-15-1, KS-15-10, KS-15-12, KS-16-18, KS-17-1, KS-17-12

Komai, T. and C. Chen (2024) A new species of the thorid shrimp genus Lebbeus White, 1847 (Decapoda: Caridea) from the Amami Rift hydrothermal vent field in the Ryukyu region, Japan. Zootaxa, doi:10.11646/zootaxa.5523.2.7. YK23-16S

Kurisu, M., K. Sakata, J. Nishioka, H. Obata, T.M. Conway, H.R. Hunt, M. Sieber, K. Suzuki, T. Kashiwabara, S. Kubo, M. Takada, and Y. Takahashi (2024) Source and fate of atmospheric iron supplied to the subarctic North Pacific traced by stable iron isotope ratios. Geochimica et Cosmochimica Acta, doi:10.1016/j.gca.2024.06.009. KH-17-3

Lan, H., Y. Yokoyama, S. Hirabayashi, Y. Miyairi, S. Jiang, H. Saito, H. Hasumi, and I. Yasuda (2024) Mixing dynamics within the Kuroshio area are reflected in dissolved inorganic radiocarbon values. Journal of Geophysical Research: Oceans, doi:10.1029/2023JC020261. KH-22-5

Mikuni, K., N. Hirano, S. Machida, H. Sumino, N. Akizawa, A. Tamura, T. Morishita, and Y. Kato (2024) Contribution of carbonatite and recycled oceanic crust to petit-spot lavas on the western Pacific Plate. Solid Earth, doi:10.5194/se-15-167-2024. YK19-05S

Miyamoto, H., Y. Okazaki, H. Itoh, K. Hidaka, and H. Saito (2024) Community structure of whole pelagic copepods along the Kuroshio: Increase in the abundance and size in the north frontal area of the Kuroshio axis near the Japanese archipelago. Deep Sea Research Part I: Oceanographic Research Papers, doi:10.1016/j.dsr.2024.104346. KH-15-4

Obata, H., A. Mase, T. Gamo, J. Nishioka, and K. Okamura (2024) In-situ analysis of sub-nanomolar level of Fe(II) in open-ocean waters. Analytical Sciences, doi:10.1007/s44211-024-00637-0. KH-09-5

Obata, H., A. Mase, N. Kanna, S. Takeda, J. Nishioka and K. Kuma (2024) Dissolved Fe(II) and its oxidation rates in Kuroshio area, subarctic Pacific and Bering Sea. Geochemical Journal, doi:10.2343/geochemj.GJ24006. KH-09-4Leg1, KT-09-13

Sánchez, N., M. García-Cobo, M. Shimabukuro, D. Zeppilli, H. Nomaki, and A. González-Casarrubios (2024) Discovery of a new Kinorhyncha species from the uncharted South Orkney Trench (Southern Ocean). Zoologischer Anzeiger, doi:10.1016/j.jcz.2024.10.016. KH-19-6Leg4

Sasaki, Y., I. Yasuda, K. Katsumata, S. Kouketsu, and H. Uchida (2024) Turbulence across the Antarctic circumpolar current in the Indian Southern Ocean: Micro-temperature measurements and finescale parameterizations. Journal of Geophysical Research: Oceans, doi:10.1029/2023JC019847.

Sato, M., Y. Wakuta, and S. Takeda (2024) Latitudinal variations of iron chemical speciation in the euphotic zone of the central Pacific Ocean. Marine Chemistry, doi:10.1016/j.marchem.2024.104413. KH-13-7Leg1,Leg2, KH14-3

Shimizu, S., R. Nakaoka, N. Seama, K. Suzuki-Kamata, K. Kaneko, K. Kiyosugi, H. Iwamaru, M. Sano, T. Matsuno, H. Sugioka, and Y. Tatsumi (2024) Submarine pyroclastic deposits from 7.3 ka caldera-forming Kikai-Akahoya eruption. Journal of Volcanology and Geothermal Research, doi:10.1016/j.jvolgeores.2024.108017. KS-19-17

Takagi, H., Y. Nakamura, C. Schmidt, M. Kucera, H. Saito, and K. Moriya (2024) Two waves of photosymbiosis acquisition in extant planktonic foraminifera explained by ecological incumbency. ISME Journal, doi:10.1093/ismejo/wrae244. KH-16-7, KH-17-4

Kakui, K. and A. Tsuyuki (2024) Flatworm cocoons in the abyss: same plan under pressure. Biology letters, doi:10.1098/rsbl.2023.0506. KH-23-5

Ueno, T., S. Fujio, and D. Yanagimoto (2024) Observation of deep currents around a seamount between the Japan and Kuril trenches. Journal of Oceanography, doi:10.1007/s10872-024-00732-w. KS-20-18, KH-22-8

Wu, Y., J. Hirai, F. Zhou, M. Iwataki, S. Jiang, H. Ogawa, J. Inoue, S. Hyodo, and H. Saito (2024) Diversity and biogeography of dinoflagellates in the Kuroshio region revealed by 18S rRNA metabarcoding. Frontiers in Marine Science, doi:10.3389/fmars.2024.1361452. KH-20-9

Yabe, I., S. Ito, S. Kakehi, T. Nagai, and J. Nishioka (2024) Steady nutrient upwelling around a biological hotspot of the confluence between the quasi-stationary jet and the Oyashio in the western North Pacific. Scientific Reports, doi:10.1038/s41598-024-68214-z. KS-17-9

Yamada, Y., A. Ebihara, H. Fukuda, S. Otosaka, S. Mitarai, and T. Nagata (2024) Functions of extracellular polymeric substances in partitioning suspended and sinking particles in the upper oceans of two open ocean systems. Limnology and Oceanography, doi:10.1002/lno.12554. KS-21-4, KS-21-7, KH-20-9

Yamamoto, D., T. Yahagi, and S. Kojima (2024) Bathymetric distribution of abyssal and hadal amphipod families and genera in the Japan Trench and the southernmost Kuril-Kamchatka Trench. Deep Sea Research Part I: Oceanographic Research Papers, doi:10.1016/j.dsr.2024.104438. KH-22-8, KH-23-5

Yoshida, A., Y. Tobo, K. Adachi, N. Moteki, Y. Kawai, K. Sasaoka, and M. Koike (2024) Analysis of oceanic suspended particulate matter in the western North Pacific using the complex amplitude sensor. Scientific Reports, doi:10.1038/s41598-024-70683-1. KS-22-10

中村知裕・野別貴博・嶋田 宏・美坂 正・西岡 純・藤尾伸三・柳本大吾・三谷曜子・山村織生・三寺史夫 (2024) 知床周辺海域の沿岸モニタリングおよび船舶観測と係留系観測. 低温科学, doi:10.14943/lowtemsci.82.153. KH-20-12, KS-21-6, KS-22-6, KS-23-15

2023年

Akuhara, T., Y. Yamashita, H. Sugioka, and M. Shinohara (2023) Locating tectonic tremors with uncertainty estimates: time- and amplitude-difference optimization, wave propagation-based quality control and Bayesian inversion. Geophysical Journal International, doi:10.1093/gji/ggad387. KS-19-18, KS-21-10

Azami, K., K. Koyama, S. Machida, K. Okino, K. Yasukawa, Y. Kato, and E. Uchida (2023) Formation of hydrothermal ferromanganese oxides from the Daigo-Kume Knoll in the middle Okinawa Trough, Japan. Marine Geology, doi:10.1016/j.margeo.2023.107117. KH-22-3

Chen, S., V.S. Kuwahara, T. Katayama, F. Hashihama, K. Yabe, S. Taguchi, and K. Takahashi (2023) Variations in photoprotective compounds in surface-dwelling copepods in subtropical open waters. Plankton and Benthos Research, doi:10.3800/pbr.18.214. KH-17-4

Dai, M., Y.-W. Luo, E. P. Achterberg, T. J. Browning, Y. Cai, Z. Cao, F. Chai, B. Chen, M. J. Church, D. Ci, C. Du, K. Gao, X. Guo, Z. Hu, S.-J. Kao, E. A. Laws, Z. Lee, H. Lin, Q. Liu, X. Liu, W. Luo, F. Meng, S. Shang, D. Shi, H. Saito, L. Song, X. S. Wan, Y. Wang, W.-L. Wang, Z. Wen, P. Xiu, J. Zhang, R. Zhang, and K. Zhou (2023) Upper ocean biogeochemistry of the oligotrophic North Pacific Subtropical Gyre: From nutrient sources to carbon export. Reviews of Geophysics, doi:10.1029/2022RG000800. KH-20-9

Dobashi, T., Miyazaki, Y., Tachibana, E., Takahashi, K., Horii, S., Hashihama, F., Yasui-Tamura, S., Iwamoto, Y., Wong, S.-K., Hamasaki, K. (2023) Marine nitrogen fixation as a possible source of atmospheric water-soluble organic nitrogen aerosols in the subtropical North Pacific. Biogeosciences, doi:10.5194/bg-20-439-2023. KH-17-4

Hamada, M., T. Hanyu, I.M. McIntosh, M.L.G. Tejada, Q. Chang, K. Kaneko, J.-I. Kimura, K. Kiyosugi, T. Miyazaki, R. Nakaoka, K. Nishimura, T. Sato, N. Seama, K. Suzuki-Kamata, S. Tanaka, Y. Tatsumi, K. Ueki, B. S. Vaglarov, and K. Yoshida (2023) Evolution of magma supply system beneath a submarine lava dome after the 7.3-ka caldera-forming Kikai-Akahoya eruption. Journal of Volcanology and Geothermal Research, doi:10.1016/j.jvolgeores.2022.107738. KS-19-17

Horii, S., K. Takahashi, T. Shiozaki, S. Takeda, M. Sato, T. Yamaguchi, S. Takino, F. Hashihama, Y. Kondo, T. Takemura, and K. Furuya (2023) East-west variabilities of N₂ fixation activity in the subtropical North Pacific Ocean in summer: Potential field evidence of the phosphorus and iron co-limitation in the western area. JGR: Oceans, doi:10.1029/2022jc019249. KH-17-4

Ikhsani, I. Y., K. H. Wong, H. Ogawa, and H. Obata (2023) Dissolved trace metals (Fe, Mn, Pb, Cd, Cu, and Zn) in the eastern Indian Ocean. Marine Chemistry, doi:10.1016/j.marchem.2023.104208. KH-18-6Leg2

Ishiyama, G., Y. I. Kantor, and Y. Kano (2023) Systematics and distributions of upper Bathyal species in Bathyancistrolepis, a deep-sea whelk genus endemic to the Northwest Pacific (Gastropoda: Buccinidae). Zoological Science, doi:10.2108/zs230067. KH-01-2, KH-14-2, KT-11-12, KT-12-18, KS-14-6, KS-15-10, KS-17-6, KS-20-15Leg2, KS-20-18, KS-21-14

Jiang, S., F. Hashihama, H. Liu, K. Yoshitake, H. Takami, K. Hamasaki, I. Y. Ikhsani, H. Obata, and H. Saito (2023) Variations in physiology and genomic function of Prochlorococcus across the eastern Indian Ocean. JGR: Oceans, doi:10.1029/2023JC019898. KH-18-6Leg2

Kajihara, H., J. Abato, and M. Matsushita (2023) Occurrence of an unidentified harrimaniid acorn worm in the genus Stereobalanus (Hemichordata: Enteropneusta) from the Japan Trench hadal zone. Deep Sea Research Part I: Oceanographic Research Papers, doi:10.1016/j.dsr.2023.104075. KH-22-8

Kakui, K., J. Fukuchi, and M. Ohta (2023) Diexanthema hakuhomaruae sp. nov. (Copepoda: Siphonostomatoida: Nicothoidae) from the hadal zone in the northwestern Pacific, with an 18S molecular phylogeny. Acta Parasitologica, doi:10.1007/s11686-023-00676-z. KH-22-8

Kamei, H., K. Okamoto, M. Ohta, H. Itoh, H. Kayama Watanabe, H. Komatsu, and S. Kojima (2023) Discovery and genetic characterization of a vestimentiferan, Lamellibrachia satsuma, from the submarine volcano Omuro Dashi in the Izu-Ogasawara Arc. Zoological Science, doi:10.2108/zs230066. KS-22-2

Kimura, S., R. Inoue, S. Itoh, and T. Nagai (2023) Salt-fingering under the thermal-wind and lateral shears in the Kuroshio fronts. JGR: Oceans, doi:10.1029/2022JC019435. KH-15-4, KS-18-1, KS-19-19

Koito, T., Y. Ito, A. Suzuki, A. Tame, T. Ikuta, M. Suzuki, S. Mitsunobu, M. Sugimura, and K. Inoue (2023) Difference in sulfur regulation mechanism between tube-dwelling and free-moving polychaetes sympatrically inhabiting deep-sea hydrothermal chimneys. Zoological Letters, doi:10.1186/s40851-023-00218-5. KS-18-3, KS-20-1

Kubota, K., R. Tanabe, M. Ikehara, Y. Kozaka, K. Seike, Y. Miyairi, and Y. Yokoyama (2023) Dataset for the establishment of an age model of marine sediment core KH19-6 Leg.4 PC10/MC14 collected from the Agulhas Ridge in the South Atlantic Ocean. Data in Brief, doi:10.1016/j.dib.2022.108797. KH-19-6Leg4

Lan, H., U. Tsunogai, F. Nakagawa, M. Ito, R. Shingubara, Y. Miyoshi, and S. Hara (2023) Tracing the sources of excess methane in Ise and Mikawa bays using dual stable isotopes as tracers. Geochemical Journal, doi:10.2343/geochemj.GJ23005.

Lan, H., S. Hirabayashi, Y. Miyairi, and Y. Yokoyama (2023) First dataset of dissolved inorganic radiocarbon in the Tokara Strait. Geochemical Journal, doi:10.2343/geochemj.GJ23018. KH-22-5

Li, H. and Y. Mitani (2023) First sighting observations of the Pacific white-sided dolphins (Lagenorhynchus obliquidens) in December around Japanese waters north of latitude 36° N. Aquatic Mammals, doi:10.1578/AM.51.3.2025.204. KH-20-12

Minami, H. and K. Tani (2023) The Fukutoku Volcanic Complex: Implications for the northward extension of Mariana rifting and its tectonic controls on arc volcanism. Marine Geology, doi:10.1016/j.margeo.2023.106996.

Nagatomo, Y., S. Horii, J. Hirai, F. Hashihama, T. Sado, T. Fukuchi, M. Miya, and K. Takahashi (2023) Geographic distribution of micronektonic fish communities in the subtropical North Pacific: The effect of primary productivity and nitrogen fixation. Progress in Oceanography, doi:10.1016/j.pocean.2023.103086. KH-17-4

Nishikawa, H., E. Oka, and S. Sugimoto (2023) Subtropical Mode Water in a recent persisting Kuroshio large-meander period: part IIーformation and temporal evolution in the Kuroshio recirculation gyre off Shikoku. Journal of Oceanography, doi:10.1007/s10872-023-00689-2. KS-21-9

Ohashi, Y., M. Yamamoto-Kawai, K. Kusahara, K. Sasaki, and K. I. Ohshima (2023) Circumpolar distributions of age and anthropogenic CO₂ content of Antarctic Bottom Water revealed by chlorofluorocarbon and sulfur hexafluoride. Progress in Oceanography, doi:10.1016/j.pocean.2023.103153. KH-19-1, KH-20-1

Ohta, M., T. Takano, S. Kojima, and Y. Narimatsu (2023) A new species of Janiralata Menzies, 1951 (Isopoda: Janiridae) from Japanese bathyal waters, with a review of the associations with invertebrates among the species of Janiralata. Journal of Crustacean Biology, doi:10.1093/jcbiol/ruad049. KS-16-18, KS-20-15Leg2

Okino, K., K. Tani, M. Fujii, F. Zhou, O. Ishizuka, Y. Ohara, T. Hanyu, and Y. Matamura (2023) Geophysical investigation of the Mado Megamullion oceanic core complex: implications for the end of back-arc spreading. Progress in Earth and Planetary Science, doi:10.1186/s40645-023-00570-2. KH-18-2, YK19-04S, YK20-18S

Otosaka, S., M. Aoyama, and D. Tsumune (2023) Radiocaesium in the seabed sediments off Fukushima. Aoyama, M., Y. Inomata, H. Kaeriyama, Y. Kumamoto, S. Otosaka, Y. Tateda, and D. TsumuneRadiocaesium in the seabed sediments off Fukushima, ISBN 978-4-904074-77-0. KS-20-17

Sambuichi, T., U. Tsunogai, M. Ito, and F. Nakagawa (2023) First measurements on triple oxygen isotopes of dissolved inorganic phosphate in the hydrosphere. Environmental Science & Technology, doi:10.1021/acs.est.2c08520. KS-19-11

Sato, H., S. Machida, C. M. Meyzen, O. Ishizuka, R. Senda, M. Bizimis, K. Ashida, K. Mikuni, T. Sato, M. Fujii, Y. Nogi, and Y. Kato (2023) The Conrad Rise revisited: Eocene to Miocene volcanism and its implications for magma sources and tectonic development. JGR: Solid Earth, doi:10.1029/2023JB027380. KH-10-7, KS-19-1

Shao, Z., Y. Xu, Y.-W. Luo, and 94 authers (2023) Global oceanic diazotroph database version 2 and elevated estimate of global oceanic N₂ fixation. Earth System Science Data, doi:10.5194/essd-15-3673-2023. KH-18-6

Takahashi, K. D., M. Ito, M. Sano, R. Makabe, M. Yamamoto-Kawai, and K. I. Ohshima (2023) Summer ice-algal blooms by the diatom Fragilariopsis curta (Van Heurck) Hustedt off Cape Darnley, Southern Ocean. Diatom, doi:10.11464/diatom.39.12. KH-19-1

Tame, A., T. Maruyama, T. Ikuta, Y. Chikaraishi, N.O. Ogawa, M. Tsuchiya, K. Takishita, M. Tsuda, M. Hirai, Y. Takaki, N. Ohkouchi, K. Fujikura, and T. Yoshida (2023) mTORC1 regulates phagosome digestion of symbiotic bacteria for intracellular nutritional symbiosis in a deep-sea mussel. Science Advances, doi:10.1126/sciadv.adg8364. KS-20-1

Tamura, Y., T. Sato, O. Ishizuka, I.M. McIntosh, K. Yoshida, F. Maeno, and Q. Chang (2023) Genesis and interaction of magmas at Nishinoshima volcano in the Ogasawara arc, western Pacific: new insights from submarine deposits of the 2020 explosive eruptions. Frontiers in Marine Science, doi:10.3389/feart.2023.1137416. KS-21-2, KS-22-1

Tateda, Y., H. Kaeriyama, and M. Aoyama (2023) Radio-caesium behaviour in marine organism before and after the Fukushima Dai-ichi Nuclear Power Station accident. Aoyama, M., Y. Inomata, H. Kaeriyama, Y. Kumamoto, S. Otosaka, Y. Tateda, and D. TsumuneRadiocaesium in the seabed sediments off Fukushima, ISBN 978-4-904074-77-0. KS-20-17

Ueda, S., Y. Iwamoto, F. Taketani, M. Liu, and H. Matsui (2023) Morphological features and water solubility of iron in aged fine aerosol particles over the Indian Ocean. Atmospheric Chemistry and Physics, doi:10.5194/acp-23-10117-2023. KH-18-6

Yamada, Y., N. Patel, H. Fukuda, T. Nagata, S. Mitarai, and F. Azam (2023) Bacterial surface roughness regulates nanoparticle scavenging in seawater. Limnology and Oceanography, doi:10.1002/lno.12309. KS-21-4, KS-21-7, KH-20-9

Yamashita, Y., Y. Mori, and H. Ogawa (2023) Hydrothermal-derived black carbon as a source of recalcitrant dissolved organic carbon in the ocean. Science Advances, doi:10.1126/sciadv.ade3807. KH-17-4, KH-19-6

Yu, Z., M. K.-S. Wong, J. Inoue, S. I. Ahmed, T. Higuchi, S. Hyodo, S. Itoh, K. Komatsu, H. Saito, and S. Ito (2023) Environmental DNA in the Kuroshio reveals environment-dependent distribution of economically important small pelagic fish. Frontiers in Marine Science, doi:10.3389/fmars.2023.1121088. KS-18-5, KS-21-8, KS-21-11, KH-20-9

Zhang, S., Z. Liu, G. Yang, J. Zheng, S. Pan, T. Aono, and A. Sakaguchi (2023) Rapid method To determine ¹³⁷Cs, ²³⁷Np, and Pu isotopes in seawater by SF-ICP-MS. Analytical Chemistry, doi:10.1021/acs.analchem.3c02702. KS-20-17

乙坂重嘉・小畑 元・川口悠介・矢部いつか・荒巻能史・和川 拓・帰山秀樹・井上睦夫・長尾誠也 (2023) 天然放射性核種で紐解く海洋性粒子の動態. 月刊海洋. KS-12-13

2022年

Akizawa, N., N. Hirano, S. Machida, A. Ishikawa, Y. Niwa, G. Shimoda, K. Yasukawa, K. M. Matsuzaki, C. Tamura, and J. Kaneko (2022) Rock and sediment dataset of petit-spots in the northwestern Pacific. Data in Brief, doi:10.1016/j.dib.2022.108764. YK20-14S, YK21-07S

Akizawa, N., N. Hirano, K. M. Matsuzaki, S. Machida, C. Tamura, J. Kaneko, H. Iwano, T. Danhara, and T. Hirata (2022) A direct evidence for disturbance of whole sediment layer in the subducting Pacific plate by petit-spot magma-water/sediment interaction. Marine Geology, doi:10.1016/j.margeo.2021.106712. YK21-07S

Hirai, J., F. Chen, H. Itoh, K. Tadokoro, M.A. Lemay, B.P.V. Hunt, A. Tsuda (2022) Molecular and morphological analyses to improve taxonomic classification of Metridia lucens/pacifica in the North Pacific. Journal of Plankton Research, doi:10.1093/plankt/fbac020. KH-14-3, KH-17-4

Ikuta, T., A. Tame, T. Takahashi, H. Nomaki, and R. Nakajima (2022) Microplastic particles are phagocytosed in gill cells of deep-sea and coastal mussels. Frontiers in Marine Science, doi:10.3389/fmars.2022.1034950. KS-20-1

Isaji, Y., C. Yoshikawa, N. O. Ogawa, K. Matsumoto, A. Makabe, S. Toyoda, N. F. Ishikawa, H. Ogawa, H. Saito, M. C. Honda, and N. Ohkouchi (2022) Nitrogen sources for phytoplankton in the eastern Indian Ocean determined from δ¹⁵N of Chlorophyll a and divinylchlorophyll a. Geochemistry, Geophysics, Geosystems, doi:10.1029/2021GC010057. KH-18-6Leg2

Ishizuka, O., K. Tani, R.N. Taylor, S. Umino, I. Sakamoto, Y. Yokoyama, G. Shimoda, Y. Harigane, Y. Ohara, C.E. Conway, A. Perez, and S. Sekimoto (2022) Origin and age of magmatism in the Northern Philippine Sea basins. Geochemistry, Geophysics, Geosystems, doi:10.1029/2021GC010242. KS-17-15, YK19-07S, YK21-06S, KH-20-6

Itoh,,S., E. Tsutsumi, E. Masunaga, T. T. Sakamoto, K. Ishikawa, D. Yanagimoto, Y. Hoshiba, H. Kaneko, D. Hasegawa, K. Tanaka, H. Fukuda, and T. Nagata (2022) Seasonal cycle of the confluence of the Tsugaru Warm, Oyashio, and Kuroshio Currents east of Japan. JGR: Oceans, doi:10.1029/2022JC018556. KS-18-8, KS-19-4, KS-19-7, KS-19-20, KS-20-15

Jiang, S., F. Hashihama, Y. Masumoto, H. Liu, H. Ogawa, and H. Saito (2022) Phytoplankton dynamics as a response to physical events in the oligotrophic Eastern Indian Ocean. Progress in Oceanography, doi:10.1016/j.pocean.2022.102784. KH-18-6Leg2

Kuwae, M., N. Tsugeki, B.P. Finney, Y. Tani, J. Onodera, M. Kiyoto, M. Kusaka, T. Sagawa, Y. Nakamura, H. Ohnishi, H. Kuroda, N. Okuda, T. Ohta, M. Ikehara, T. Irino (2022) Late Holocene centennial to millennial-scale variability in lower trophic level productivity off southern Hokkaido, Japan, and its response to dissolved iron-replete Coastal Oyashio dynamics. Quaternary Research, doi:10.1017/qua.2021.71. KT-10-5

Liang, Z., K. McCabe, S. E. Fawcett, H. J. Forrer, F. Hashihama, C. Jeandel, D. Marconi, H. Planquette, M. A. Saito, J. A. Sohm, R. K. Thomas, R. T. Letscher, and A. N. Knapp (2022) A global ocean dissolved organic phosphorus concentration database (DOPv2021). Scientific Data, doi:10.1038/s41597-022-01873-7. KH-11-10, KH-12-3, KH-13-7, KH-14-3, KH-17-4

Mashio S. A., A. Ichimura, H. Yamagishi, K.H. Wong, H. Obata, and H. Hasegawa (2022) Determination of the sub-picomolar concentration of dissolved palladium in open ocean seawater. Marine Chemistry, doi:10.1016/j.marchem.2022.104124. KH-17-3

Ogawa, A., N. Jimi, S. F. Hiruta, C. Chen, I. Kobayashi, G. Altius Pratama, H. Tanaka, M. Okanishi, H. Komatsu, and M. Ikehara (2022) Taxonomy and distribution of deep benthos collected in and around the Southern Ocean during the 30th Anniversary expeditions of R/V Hakuho Maru: Annelida, Mollusca, Ostracoda, Decapoda, and Echinodermata. Polar Science, doi:10.1016/j.polar.2022.100846. KH-19-6Leg4, KH-20-1

Ohashi, Y., M. Yamamoto-Kawai, K. Kusahara, K. Sasaki, and K. I. Ohshima (2022) Age distribution of Antarctic Bottom Water off Cape Darnley, East Antarctica, estimated using chlorofluorocarbon and sulfur hexafluoride. Scientific Reports, doi:10.1038/s41598-022-12109-4. KH-19-1, KH-20-1

Sakamoto, T., M. Takahashi, M.-T. Chung, R. R. Rykaczewski, K. Komatsu, K. Shirai, T. Ishimura, and T. Higuchi (2022) Contrasting life-history responses to climate variability in eastern and western North Pacific sardine populations. Nature Communications, doi:10.1038/s41467-022-33019-z. KS-21-11

Sato, M., T. Shiozaki, F. Hashihama, T. Kodama, H. Ogawa, H. Saito, A. Tsuda, S. Takeda, and K. Furuya (2022) Relative depths of the subsurface peaks of phytoplankton abundance conserved over ocean provinces. Limnology and Oceanography, doi:10.1002/lno.12222. KH-03-2, KH-04-3, KH-08-2, KH-11-10, KH-12-3, KH-13-7, KH-14-3, KH-17-4, KH-18-6, KT-05-24, KT-06-21, KT-08-8, KT-09-17, KT-10-19, KT-11-23, KT-12-24, KS-16-9

Sato, M., F. Hashihama, and S. Takeda (2022) Effects of cyanate enrichment on growth of natural phytoplankton populations in the subtropical Pacific. Journal of Oceanography, doi:10.1007/s10872-022-00658-1. KH-17-4

Sato, M., K. Hirata, T. Shiozaki, S. Takeda (2022) Effects of iron and light on microbial nitrogen cycles in the primary nitrite maxima of the eastern Indian Ocean. Deep Sea Research Part I: Oceanographic Research Papers, doi:10.1016/j.dsr.2022.103808. KH-18-6Leg2

Sato, T., T. Shiozaki, F. Hashihama, M. Sato, A. Murata, K. Sasaoka, S. Umeda, and K. Takahashi (2022) Low nitrogen fixation related to shallow nitracline across the eastern Indian Ocean. JGR: Biogeosciences, doi:10.1029/2022JG007104. KH-18-6Leg2,Leg3

Shimada, D. and N. Jimi (2022) Taxonomic revision of the free-living marine nematode genus Deontostoma (Enoplida: Leptosomatidae) and inclusion of a new species from the Southern Ocean. Nematology, doi:10.1163/15685411-bja10189. KH-19-6Leg4

Shimura, T., N. Mori, Y. Baba, and T. Miyashita (2022) Ocean Surface Wind Estimation From Waves Based on Small GPS Buoy Observations in a Bay and the Open Ocean. Journal of Geophysical Research: Oceans, doi:10.1029/2022JC018786. KS-21-9

Takano, T., A. Waren, and Y. Kano (2022) Phylogenetic position of the deep-sea snail family Haloceratidae and new insights into caenogastropod relationships. Journal of Molluscan Studies, doi:10.1093/mollus/eyac012. KS-20-15Leg2

Tanaka, T., D. Hasegawa, T. Okunishi, I. Yasuda, and T. P. Welch (2022) In situ calibration of underwater glider flight model using acoustic Doppler current profilers. Journal of Atmospheric and Oceanic Technology, doi:10.1175/JTECH-D-21-0074.1. KS-17-5

Wong, K. H., J. Nishioka, T. Kim, and H. Obata (2022) Long-range lateral transport of dissolved manganese and iron in the subarctic Pacific. JGR: Oceans, doi:10.1029/2021JC017652. KH-17-3

Yamashita, Y., M. Nakane, Y. Mori, J. Nishioka, and H. Ogawa (2022) Fate of dissolved black carbon in the deep Pacific Ocean. Nature Communications, doi:10.1038/s41467-022-27954-0. KH-13-7, KH-14-3, KH-17-4

Yanagimoto, D., M. Miyamoto, E. Oka, T. Nakano, Y. Takatsuki, H. Tsujino (2022) Abyssal current and water mass in the Main Gap and an adjacent Small Gap of the Emperor Seamount Chain. Journal of Oceanography, doi:10.1007/s10872-022-00639-4. KH-16-3

2021年

Akizawa, N., Y. Ohara, K. Okino, O. Ishizuka, H. Yamashita, S. Machida, A. Sanfilippo, V. Basch, J.E. Snow, A. Sen, K. Hirauchi, K. Michibayashi, Y. Harigane, M. Fujii, H. Asanuma, and T. Hirata (2021) Geochemical characteristics of back-arc basin lower crust and upper mantle at final spreading stage of Shikoku Basin: an example of Mado Megamullion. Progress in Earth and Planetary Science, doi:10.1186/s40645-021-00454-3. KH-18-2, YK19-04S, YK20-18S

Akizawa, N., Yamaguchi A., Tani K., Ishikawa A., Fujita R., and Choi S.H. (2021) Highly refractory dunite formation at Gibbs Island and Bruce Bank, and its role in the evolution of the circum-Antarctic continent. The Canadian Mineralogist, doi:10.3749/canmin.2100030. KH-19-6Leg4

Goto, Y., Yasuda I., Nagasawa M., Kouketsu S., and Nakano T. (2021) Estimation of Basin-scale turbulence distribution in the North Pacific Ocean using CTD-attached thermistor measurements. Scientific Reports, doi:10.1038/s41598-020-80029-2. KH-16-3

Hashihama, F., Yasuda I., Kumabe A., Sato M., Sasaoka H., Iida Y., Shiozaki T., Saito H., Kanda J., Furuya K., Boyd P.W., and Ishii M. (2021) Nanomolar phosphate supply and its recycling drive net community production in the subtropical North Pacific. Nature Communications, doi:10.1038/s41467-021-23837-y.

Hirauchi, K., I. Segawa, Y. Kouketsu, Y. Harigane, Y. Ohara, J. Snow, A. Sen, M. Fujii, and K. Okino (2021) Alteration processes recorded by back-arc mantle peridotites from oceanic core complexes, Shikoku Basin, Philippine Sea. Island Arc, doi:10.1111/iar.12419. KH-07-2, KH-18-2, YK19-04S

Ikuta, T., Y. Amari, A. Tame, Y. Takaki, M. Tsuda, R. Iizuka, T. Funatsu, and T. Yoshida (2021) Inside or out? Clonal thiotrophic symbiont populations occupy deep-sea mussel bacteriocytes with pathways connecting to the external environment. ISME Communications, doi:10.1038/s43705-021-00043-x. KS-16-5, KS-20-1

Jiang, S., F. Hashihama, and H. Saito (2021) Phytoplankton growth and grazing mortality through the oligotrophic subtropical North Pacific. Journal of Oceanography, doi:10.1007/s10872-020-00580-4. KH-17-4

Kaneko, H., I. Yasuda, S. Itoh, and S. Ito (2021) Vertical turbulent nitrate flux from direct measurements in the western subarctic and subtropical gyres of the North Pacific. Journal of Oceanography, doi:10.1007/s10872-020-00576-0. KH-08-2

Kawaguchi Y., Wagawa T., Yabe I., Igeta Y., Ito S., and Senju T. (2021) Mesoscale-dependent near-inertial internal waves and microscale turbulence in the Tsushima Warm Current. Journal of Oceanography, doi:10.1007/s10872-020-00583-1. KS-19-22

Kobayashi, T., K. Sato, and B.A. King (2021) Observed features of salinity bias with negative pressure dependency for measurements by SBE 41CP and SBE 61 CTD sensors on deep profiling floats. Progress in Oceanography, doi:10.1016/j.pocean.2021.102686. KH-16-1

Kondo Y., Bamba R., Obata H., Nishioka J., and Takeda S. (2021) Distinct profiles of size-fractionated iron-binding ligands between the eastern and western subarctic Pacific. Scientific Reports, doi:10.1038/s41598-021-81536-6. KH-17-3

Mensah, V., Y. Nakayama, M. Fujii, Y. Nogi, and K.I. Ohshima (2021) Dense water downslope flow and AABW production in a numerical model: Sensitivity to horizontal and vertical resolution in the region off Cape Darnley polynya. Ocean Modelling, doi:10.1016/j.ocemod.2021.101843. KH-07-4, KH-16-1, KH-19-1

Nagai, T., T. Hibiya, and F. Syamsudin (2021) Direct estimates of turbulent mixing in the Indonesian Archipelago and its role in the transformation of the Indonesian Throughflow waters. Geophysical Research Letters, doi:10.1029/2020GL091731. KH-19-2

Okanishi, M., T. Matsuo, and T. Fujita (2021) A new species of the genus Ophiomonas Djakonov (Echinodermata: Ophiuroidea: Amphilepididae) from the deep-sea of Japan. Zoological Studies, doi:10.6620/ZS.2021.60-59. KS-20-18

Park J-.O., Takahata N., Hondori E.J., Yamaguchi A., Kagoshima T., Tsuru T., Fujie G., Sun Y., Ashi J., Yamano M., and Sano Y, (2021) Mantle-derived helium released through the Japan trench bend-faults. Scientific Reports, doi:10.1038/s41598-021-91523-6. KS-19-5, KS-19-13, KS-19-14

Tanaka T., Hasegawa D., Yasuda I., Yanagimoto D., Fujio S., Nakamura H., Inoue R., and Nishioka J. (2021) Enhanced vertical turbulent nitrate flux in the intermediate layer of the Kuroshio in the Tokara Strait. Journal of Oceanography , doi:10.1007/s10872-020-00581-3. KS-15-5, KS-16-10, KH-16-7

Tanaka M., Yoshida J., Lee K., Goto Y., Tanaka T., Ueno H., Onishi H., and Yasuda I. (2021) The potential role of thermohaline-shear instability in turbulence production in the Bering Sea and the subarctic North Pacific. Journal of Oceanography, doi:10.1007/s10872-021-00602-9.

Wong K.H., Obata H., Kim T., Kondo Y., and Nishioka J. (2021) New insights into the biogeochemical cycling of copper in the subarctic Pacific: Distributions, size fractionation, and organic complexation. Limnology and Oceanography, doi:10.1002/lno.11695. KH-17-3

Yamaguchi T., Sato M., Hashihama F., Kato H., Sugiyama T., Ogawa H., Takahashi K., and Furuya K. (2021) Longitudinal and vertical variations of dissolved labile phosphoric monoesters and diesters in the subtropical North Pacific. Frontiers in Microbiology, doi:10.3389/fmicb.2020.570081. KH-17-4

Yamashita Y., Tosaka T., Bamba R., Kamezaki R., Goto S., Nishioka J., Yasuda I., Hirawake T., Oida J., Obata H., and Ogawa H. (2021) Widespread distribution of allochthonous fluorescent dissolved organic matter in the intermediate water of the North Pacific. Progress in Oceanography, doi:10.1016/j.pocean.2020.102510. KH-12-3, KH-14-3, KH-15-1, KH-15-4, KH-16-3, KH-17-3, KH-17-4, KH-17-5

Yamazaki T., Chiyonobu S., Ishizuka O., Tajima F., Uto N., and Takagawa S. (2021) Rotation of the Philippine Sea plate inferred from paleomagnetism of oriented cores taken with an ROV-based coring apparatus. Earth, Planets and Space, doi:10.1186/s40623-021-01490-5. KS-17-4, KS-19-8

Yasuda, I., S. Fujio, D. Yanagimoto, K.J. Lee, Y. Sasaki, S. Zhai, M. Tanaka, S. Itoh, T. Tanaka, D. Hasegawa, Y. Goto, and D. Sasano (2021) Estimate of turbulent energy dissipation rate using free-fall and CTD-attached fast-response thermistors in weak ocean turbulence. Journal of Oceanography, doi:10.1007/s10872-020-00574-2. KS-19-6

Zhou F., Hirai J., Hamasaki K., Horii S., and Tsuda A. (2021) Feeding ecology of three euphausiid species in the North Pacific Ocean inferred from 18S V9 metabarcoding and stable isotope analysis. Frontiers in Marine Science, doi:10.3389/fmars.2021.756067. KH-17-4

2020年

Basch, V., A. Sanfilippo, C. Sani, Y. Ohara, J. Snow, O. Ishizuka, Y. Harigane, K. Michibayashi, A. Sen, N. Akizawa, K. Okino, M. Fujii, and H. Yamashita (2020) Crustal accretion in a slow spreading back-arc basin: Insights from the Mado Megamullion oceanic core complex in the Shikoku Basin. Geochemistry, Geophysics, Geosystems, doi:10.1029/2020GC009199. KH-07-2, KH-18-2, YK19-04S

Escobar, M. T., N. Takahata, H. Obata, and Y. Sano (2020) Observation of the deep Indonesian throughflow using helium isotopes. Journal of Oceanography, doi:10.1007/s10872-020-00560-8. KH-18-6Leg3

Fujiwara, Y., M. Tsujisaka, S. Takano, and Y. Sohrin (2020) Determination of the tungsten isotope composition in seawater: The first vertical profile from the western North Pacific Ocean. Chemical Geology, doi:10.1016/j.chemgeo.2020.119835. KH-17-3

Hashihama F., Saito H., Shiozaki T., Ehama M., Suwa S., Sugiyama T., Kato H., Kanda J., Sato M., Kodama T., Yamaguchi T., Horii S., Tanita I., Takino S., Takahashi K., Ogawa H., Boyd P. W., Furuya K. (2020) Biogeochemical controls of particulate phosphorus distribution across the oligotrophic subtropical Pacific Ocean. Global Biogeochemical Cycles, doi:10.1029/2020GB006669. KH-11-10, KH-12-3, KH-13-7, KH-14-3, KH-17-4

Hirai, J., A. Tachibana, and A. Tsuda (2020) Large-scale metabarcoding analysis of epipelagic and mesopelagic copepods in the Pacific. PLOS ONE, doi:10.1371/journal.pone.0233189. KH-11-10, KH-12-1, KH-13-7, KH-14-3, KH-16-7, KH-17-4, KS-13-T2

Inoue R., Tanaka T., Nakamura H., Yanagimoto D., Fujio S., and Yasuda I. (2020) Microstructure and mooring observations of enhanced mixing in the Kerama Gap. JGR: Oceans, doi:10.1029/2019JC015553. KH-16-7

Jimi, N., A. Ogawa, S. F Hiruta, M. Ikehara, and S. Imura (2020) A new deep-sea species of Flabelligena from off the South Orkney Islands, the Southern Ocean. Biodiversity Data Journal, doi:10.3897/BDJ.8.e53312. KH-19-6Leg4

Kawaguchi Y., Nishioka J., Nishino S., Fujio S., Lee K., Fujiwara A., Yanagimoto D., Mitsudera H., and Yasuda I. (2020) Cold water upwelling near the Anadyr Strait: Observations and simulations. JGR: Oceans, doi:10.1029/2020JC016238.

Miller M. J., Itoh S., Watanabe S., Shinoda A., Saruwatari T., Tsukamoto K., and Yasuda I. (2020) Distribution of leptocephali and wintertime hydrographic structure in the Kuroshio Extension and northern subtropical gyre. Deep Sea Research Part I: Oceanographic Research Papers, doi:10.1016/j.dsr.2020.103240. KH-06-1

Miyamoto, M., E. Oka, D. Yanagimoto, S. Fujio, M. Nagasawa, G. Mizuta, S. Imawaki, M. Kurogi, and H. Hasumi (2020) Topographic Rossby Waves at Two Different Periods in the Northwest Pacific Basin. Journal of Physical Oceanography, doi:10.1175/JPO-D-19-0314.1. KS-14-7, KS-15-14, KH-16-3

Mizuta G., Fukamachi Y., Simizu D., Matsumura Y., Kitade Y., Hirano D., Fujii M., Nogi Y., and Ohshima K.I. (2020) Seasonal evolution of Cape Darnley Bottom Water revealed by mooring measurements. Frontiers in Marine Science, doi:10.3389/fmars.2021.657119. KH-07-4Leg3

Nagai, T. and T. Hibiya (2020) Combined effects of tidal mixing in narrow straits and the Ekman transport on the sea surface temperature cooling in the southern Indonesian Seas. JGR: Oceans, doi:10.1029/2020JC016314. KH-19-2

Nishioka J., Obata H., Ogawa H., Ono K., Yamashita Y., Lee K.-J., Takeda S., and Yasuda I. (2020) Subpolar marginal seas fuel the North Pacific through the intermediate water at the termination of the global ocean circulation. Proceedings of the National Academy of Sciences of the United States of America, doi:10.1073/pnas.2000658117. KH-03-2, KH-08-2, KH-09-4, KH-12-3, KH-12-4, KH-15-4, KH-17-3

Oka, E., S. Kouketsu, D. Yanagimoto, D. Ito, Y. Kawai, S. Sugimoto, and B. Qiu (2020) Formation of Central Mode Water based on two zonal hydrographic sections in spring 2013 and 2016. Journal of Oceanography, doi:10.1007/s10872-020-00551-9. KH-13-3, KH-16-3

Sugiura N., Kouketsu S., Masuda S., Osafune S., and Yasuda I. (2020) Estimating the population mean for a vertical profile of energy dissipation rate. Scientific Reports, doi:10.1038/s41598-020-77414-2. KH-16-3

Tsutsumi, E., T. Matsuno, S. Itoh, J. Zhang, T. Senjyu, A. Sakai, K.-J. Lee, D. Yanagimoto, I. Yasuda, and C. Villanoy (2020) Vertical fluxes of nutrients enhanced by strong turbulence and phytoplankton bloom around the ocean ridge in the Luzon Strait. Scientific Reports, doi:10.1038/s41598-020-74938-5. KH-17-5Leg2

小川晟人・自見直人・蛭田眞平・小林元樹・清家弘治・野牧秀隆 (2020) 白鳳丸世界一周KH-19-6航海での南半球ベントス採集記. 日本ベントス学会誌, doi:10.5179/benthos.75.65. KH-19-6Leg2,Leg3,Leg4

2016-2019年

Nakamura, K., K. Takahashi, S. Shimode, Y. Shimizu, and K. Furuya (2019) Effects of container size, density, and incubation period on ammonium excretion rate measurements of planktonic copepods: Validation with a highly sensitive analytical method. Plankton and Benthos Research, doi:10.3800/pbr.14.62. KH-16-9, KH-17-4

Sato, M. and F. Hashihama (2019) Assessment of potential phagotrophy by pico- and nanophytoplankton in the North Pacific Ocean using flow cytometry. Aquatic Microbial Ecology, doi:10.3354/ame01892. KH-14-3, KH-17-4

Takagi, H., K. Kimoto, T. Fujiki, H. Saito, C. Schmidt, M. Kucera, and M. Moriya (2019) Characterizing photosymbiosis in modern planktonic foraminifera. Biogeosciences, doi:10.5194/bg-16-3377-2019. KS-16-9, KH-16-7, KH-17-4

Aoyama, M., Y. Hamajima, Y. Inomata, Y. Kumamoto, E. Oka, T. Tsubono, and D. Tsumune (2018) Radiocaesium derived from the TEPCO Fukushima accident in the North Pacific Ocean: Surface transport processes until 2017. Journal of Environmental Radioactivity, doi:10.1016/j.jenvrad.2018.03.014. KH-16-3

Goto, Y., I. Yasuda. and M. Nagasawa (2018) Comparison of turbulence intensity from CTD-attached and free-fall microstructure profilers. Journal of Atmospheric and Oceanic Technology, doi:10.1175/JTECH-D-17-0069.1. KH-09-4, KH-16-3, KS-15-5

Kawai, Y., H. Nishikawa, and E. Oka (2018) In situ evidence of low-level atmospheric responses to the Oyashio front in early spring. Journal of the Meteorological Society of Japan, doi:10.2151/jmsj.2019-024. KH-13-3

Kobayashi, G., R. Mukai, I. Alalykina, T. Miura, and S. Kojima (2018) Phylogeography of benthic invertebrates in deep waters: A case study of Sternaspis cf. williamsae (Annelida: Sternaspidae) from the northwestern Pacific Ocean. Deep Sea Research Part II: Topical Studies in Oceanography, doi:10.1016/j.dsr2.2017.12.016. KH-16-5, KS-14-6, KS-15-1, KS-16-18, KS-17-1

Kumamoto, Y., M. Aoyama, Y. Hamajima, E. Oka, and A. Murata (2018) Time evolution of Fukushima-derived radiocesium in the western subtropical gyre of the North Pacific Ocean by 2017. Journal of Radioanalytical and Nuclear Chemistry, doi:10.1007/s10967-018-6133-5. KS-15-14, KH-16-3

Sakata, K., M. Kurisu, H. Tanimoto, A. Sakaguchi, M. Uematsu, C. Miyamoto, and Y. Takahashi (2018) Custom-made PTFE filters for ultra-clean size-fractionated aerosol sampling for trace metals. Marine Chemistry, doi:10.1016/j.marchem.2018.09.009. KH-14-7, KH-17-3

Tanaka, T., D. Hasegawa, I. Yasuda, H. Tsuji, S. Fujio, Y. Goto, and J. Nishioka (2018) Enhanced vertical turbulent nitrate flux in the Kuroshio across the Izu Ridge. Journal of Oceanography, doi:10.1007/s10872-018-0500-2. KS-16-10

Hu, W., K. Murata, S. Fukuyama, Y. Kawai, E. Oka, M. Uematsu, and D. Zhang (2017) Concentration and viability of airborne bacteria over the Kuroshio Extension region in the northwestern Pacific Ocean: Data from three cruises. Journal of Geophysical Research: Atmospheres, doi:10.1002/2017JD027287. KH-16-3

Tanaka, T., I. Yasuda, K. Kuma, and J. Nishioka (2017) Evaluation of the biogeochemical impact of iron-rich shelf water to the Green Belt in the southeastern Bering Sea. Continental Shelf Research, doi:10.1016/j.csr.2016.11.008. KH-09-4

Gao, W., P. Li, S.-P. Xie, L. Xu, and C. Liu (2016) Multicore structure of the North Pacific subtropical mode water from enhanced Argo observations. Geophysical Research Letters, doi:10.1002/2015GL067495. KS-14-7

Goto, Y., I. Yasuda, and M. Nagasawa (2016) Turbulence estimation using fast-response thermistors attached to a free-fall vertical microstructure profiler. Journal of Atmospheric and Oceanic Technology, doi:10.1175/JTECH-D-15-0220.1. KH-09-4

Kawai, Y., Q. Moteki, A. Kuwano-Yoshida, T. Enomoto, A. Manda, H. Nakamura (2016) Impact propagation of radiosonde data assimilation over the Kuroshio and Kuroshio Extension: Case study on the early summer (Baiu) in 2012. Journal of the Meteorological Society of Japan, doi:10.2151/jmsj.2017-004. KT-12-16

Kobashi, F., Y. Onikata, N. Iwasaka, Y. Kawai, E. Oka, K. Uehara, S.-I. Ito, M. Odamaki, and H. Sasaki (2016) Small meanders of the Kuroshio Extension and associated northward spreading of warm water: Three-vessel simultaneous observations and an eddy-resolving ocean model simulation. Journal of Geophysical Research: Oceans, doi:10.1002/2016JC011969. KT-12-16

Kumamoto, Y., M. Aoyama, Y. Hamajima, H. Nagai, T. Yamagata, Y. Kawai, E. Oka, A. Yamaguchi, K. Imai, and A. Murata (2016) Fukushima-derived radiocesium in the western North Pacific in 2014. Journal of Radioanalytical and Nuclear Chemistry, doi:10.1007/s10967-016-5055-3. KH-14-1, KS-14-7

Nishikawa, H., Y. Tachibana, Y. Kawai, M. K. Yoshioka, and H. Nakamura (2016) Evidence for SST-forced anomalous winds revealed from simultaneous radiosonde launches from three ships across the Kuroshio Extension front. Monthly Weather Review, doi:10.1175/MWR-D-15-0442.1. KT-12-16