JAMSTEC Researchers Database

  • Yasuhiko Ohara
Department
Research Institute for Marine Geodynamics (IMG)　Volcanoes and Earth’s Interior Research Center (VERC)
Career
Visiting Principal Researcher

Profile

Speciality

Research Achievement

Peer reviewed publications (Belonging to JAMSTEC)

  • Naoto Jimi, Shinji Tsuchida, Hiromi Kayama Watanabe, Yasuhiko Ohara, Hiroyuki Yokooka, Sau Pinn Woo, Yoshihiro Fujiwara. Worm on worm: Two rare genera of Calamyzinae (Annelida, Chrysopetalidae), with a description of new species. PARASITOLOGY INTERNATIONAL, 2022, 90, doi: 10.1016/j.parint.2022.102619
  • Hiromi Kayama Watanabe, Chong Chen, Eijiroh Nishi, Yasuhiko Ohara. Cryptic diversity of the tube-dwelling polychaete Phyllochaetopterus in the Shinkai Seep Field, Mariana Trench. Plankton and Benthos Research, 2021, 16, 1, p. 73-77, doi: 10.3800/pbr.16.73
  • Yuji Onishi, Toshiro Yamanaka, Tomoyo Okumura, Shinsuke Kawagucci, Hiromi Kayama Watanabe, Yasuhiko Ohara. Evaluation of nutrient and energy sources of the deepest known serpentinite-hosted ecosystem using stable carbon, nitrogen, and sulfur isotopes. PLoS One, 2018, 13, 6, doi: 10.1371/journal.pone.0199000
  • Chong Chen, Hiromi Kayama Watanabe, Yasuhiko Ohara. A very deep Provanna (Gastropoda: Abyssochrysoidea) discovered from the Shinkai Seep Field, Southern Mariana Forearc. Journal of the Marine Biological Association, United Kingdom, 2016, doi: https://doi.org/10.1017/S0025315416001648
  • Tomoyo Okumura, Yasuhiko Ohara, R. J. Stern, Toshiro Yamanaka, Yuji Onishi, Hiromi Watanabe, Chong Chen, S. H. Bloomer, I. Pujana, Saburo Sakai, Teruaki Ishii, and Ken Takai. Brucite chimney formation and carbonate alteration at the Shinkai Seep Field, a serpentinite-hosted vent system in the southern Mariana forearc. Geochemistry, Geophysics, Geosystems, 2016, 17, p. 3775-3796, doi: 10.1002/2016GC006449
  • Takashi Okutani, Katsunori Fujikura, Hiromi Watanabe and Yasuhiko Ohara. Calyptogena (Abyssogena) mariana: Discovery of a New Vesicomyid Clam from the Southern Mariana Trench. Venus, 2013, 71, 1-2, p. 39-47
  • Sanfilippo, A., H.J.B., Dick, and Y. Ohara. Melt-rock reaction in the mantle: mantle troctolites from the Parece Vela ancient back-arc spreading center. Journal of Petrology, 2013, doi: 10.1093/petrology/egs089
  • Stern, R.J., Reagan, M., Ishizuka, O., Ohara, Y., Whattam, S.. To Understand Subduction Initiation, Study Forearc Crust; To Understand Forearc Crust, Study Ophiolites. Lithosphere, 2012, 4, 6, p. 469-483, doi: 10.1130/L183.
  • 小原泰彦. 背弧海盆における海洋コアコンプレックスの発達：最近のゴジラメガムリオン研究から分かってきたこと. 岩石鉱物科学, 2012, 41, 5, p. 193-202
  • 小原 泰彦,Mark K. Reagan, Katsunori Fujikura, Hiromi Watanabe, Katsuyoshi Michibayashi, Teruaki Ishii, Robert J Stern, Ignacio Pujana, Fernando Martinez, Guillaume Girard, Julia Ribeiro, Maryjo Brounce, Naoaki Komori, Masashi Kino. A serpentinite-hosted ecosystem in the Southern Mariana Forearc. Proceedings of the National Academy of Sciences of the USA, 2012, 109, p. 2831-2835, doi: 10.1073/pnas.1112005109
  • Blackman D. K, B. Ildefonse, B. E. John, Y. Ohara, D. J. Miller, N. Abe, M. Abratis, E. S. Andal, M. Andreani, S. Awaji, J. S. Beard, D. Brunelli, A. B. Charney, D. M. Christie, J. Collins, A. G. Delacour, H. Delius, M. Drouin, F. Einaudi, J. Escartin, B. R. Frost, G. Fruh-Green, P. B. Fryer, J. S. Gee, M. Godard, C. B. Grimes, A. Halfpenny, H.-E. Hansen, A. C. Harris, A. Tamura, N. W. Hayman, E. Hellebrand, T. Hirose, J. G. Hirth, S. Ishimaru, K. T. M. Johnson, G. D. Karner, M. Linek, C. J. MacLeod, J. Maeda, O. U. Mason, A. M. McCaig, K. Michibayashi, A. Morris, T. Nakagawa, T. Nozaka, M. Rosner, R. C. Searle, G. Suhr, M. Tominaga, A. von der Handt, T. Yamasaki, X. Zhao. Drilling constraints on lithospheric accretion and evolution at Atlantis Massif, Mid-Atlantic Ridge 30°N. JOURNAL OF GEOPHYSICAL RESEARCH - Solid Earth, 2011, 116, B7, p. 1-25, doi: 10.1029/2010JB007931
  • Kenichiro Tani, Daniel J. Dunkley, Yasuhiko Ohara. Termination of back-arc spreading: zircon dating of a giant oceanic core complex. Geology, 2011, 39, p. 47-50
  • Yumiko Harigane, Katsuyoshi Michibayashi, Yasuhiko Ohara. Amphibolitization within the lower crust in the termination area of the Godzilla Megamullion, an oceanic core complex in the Parece Vela Basin. Isl. Arc, 2010, 19, 4, p. 718-730, doi: 10.1111/j.1440-1738.2010.00741.x
  • Reagan M.K., Ishizuka O., Stern R.J., Kelley K.A., Ohara Y., Blichert-Toft J., Bloomer S.H., Cash J., Fryer P., Hanan B.B., Hickey-Vargas R., Ishii T., Kimura J.-I., Peate D.W., Rowe M.C., Woods M.. Fore-arc basalts and subduction initiation in the Izu-Bonin-Mariana system. Geochemistry Geophysics Geosystems, 2010, 11, doi: 10.1029/2009GC002871
  • Michibayashi K., Ohara Y., Stern R.J., Fryer P., Kimura J.-I., Tasaka M., Harigane Y., Ishii T.. Peridotites from a ductile shear zone within backarc lithospheric mantle, southern Mariana Trench: results of a Shinkai6500 dive. Geochemistry Geophysics Geosystems, 2009, 10, doi: 10.1029/2008GC002197
  • Kyoko Okino, Yasuhiko Ohara, Toshiya Fujiwara, Sang-Mook Lee, Kin'ichiro Koizumi, Yasuyuki Nakamura, Shiguo Wu 沖野 郷子, 小原 泰彦, 富士原 敏也, S.-M. Lee, 小泉 金一郎, 中村 恭之, S. Wu. Tectonics of the southern tip of the Parece Vela Basin, Philippine Sea Plate. Tectonophysics, 2009, 466, '3/4, p. 213-228
  • K. Michibayashi, M. Tasaka, Y. Ohara, T. Ishii, A. Okamot, P. Fryer. Variable microstructure of peridotite samples from the southern Mariana Trench: evidence of a complex tectonic evolution. Tectonophysics, 2007, 444, 1-4, p. 111-118, doi: 10.1016/j.tecto.2007.08.010
  • Ildefonse B., D.K. Blackman, B.E. John, Y. Ohara, D.J. Miller, C.J. MacLeod, and Integrated Ocean Drilling Program Expeditions 304/305 Science Party. Oceanic core complexes and crustal accretion at slow-spreading ridges. Geology, 2007, 35, 7, p. 623-626, doi: , doi:10.1130/G23531A.1