J-GLOBAL         Last updated: Apr 9, 2018 at 09:39
Research funding number

Academic & Professional Experience

Hokusei Gakuen University School of Social Welfare, General Education Program
Apr 1972
Jan 1974
Mitsubishi Chemical Machinary Research Division Researcher
Nov 1981
Nov 1982
Woods Hole Oceanographic Institution Department of Geology & Geophysics Researcher
Dec 1982
Sep 1984
University of California, San Diego Scripps Institution of Oceanography
Sep 1984
Mar 1992
Woods Hole Oceanographic Institution Department of Geology & Geophysics Associate Professor


Apr 1966
Mar 1972
Fisheries Chemistry, Faculty of Fisheries, Hokkaido University
Feb 1974
Jun 1974
Liberal Arts & Sciences, Grays Harbor College
Sep 1974
Jun 1975
Marine Chemistry, Department of Oceanography, University of Washington
Sep 1975
Feb 1977
Marine Chemistry, Department of Oceanography, University of Washington
Jun 1978
Nov 1981
Earth & Planetary Science, Earth & Planetary Science/Marine Geology & Geophysics, Massachusetts Institute of Technology/Woods Hole Oceanographic Institution

Committee Memberships

Jun 2007
Mar 2014
Integrated Ocean Drilling Program Management International (IODP-MI)  Executive Member of the Board of Governors
Jun 2010
Mar 2014
Integrated Ocean Drilling Program Management International (IODP-MI)  Secretary
Jan 2015
Dec 2016
Asahiko Taira International Scientific Ocean Drilling Research Prize Committee, American Geophysical Union  Member

Awards & Honors

Apr 2009
The Commendation for Science and Technology by the Minister of Education, Culture, Sports, Science a
Jul 2010
Prime Ministers Medal for contribution to the Maritime Nation Japan, Research on climate changes
Apr 2014
Particle flux and paleoceanographic studies in the subarctic Pacific and the Arctic Ocean, Paleoscience Society Award, Paleoscience Society
Winner: Kozo Takahashi
We employed T/S Oshoro-maru in deploying the sediment traps in two remote areas of the subarctic Pacific during 1989-2010. The shell-bearing plankton particles are useful in identifying detailed environmental conditions concerning seasonal and int...

Published Papers

Observation on microstructure of selected phaeodarian Radiolaria
Geol. Soc. China, Memoir   2 207-212   1977   [Refereed]
Distribution of Sticholonche (Radiolaria) in the upper 800 m of the waters in the equatorial Pacific
Marine Micropaleontology   5 311-319   1980   [Refereed]
Earth Planet. Sci. Lett.   59 245-254   1982   [Refereed]
Science   222(4624) 616-618   1983   [Refereed]


Micropaleontology at the North Pole: an introduction. In: M. Kaminski and K. Takahashi, Guest Editors, The Arctic Coring Expedition (IODP 302): Micropaleontology at the North Pole
Micropaleontology   55(2-3) 97-100   2009
Biometry of Distephanus medianoctisol (Silicoflagellata) in the sea-ice covered environment of the central Arctic Ocean, summer 2004
Memoirs of the Faculty of Sciences, Kyushu University, Series D, Earth and Planetary Sciences   32(2) 57-68   Mar 2009
World Atlas of Distribution of Recent Polycystina (Radiolaria)
Palaeontologia Electronica   13(3) 18A:230p   Oct 2010

Books etc

Chemical composition, size distribution and particle morphology of suspended particulate matter at DOMES Sites A, B and C: Relationships with local sediment composition
Plenum Publishing Corp.   1979   ISBN:0-306-40187-8
LM Atlas of Diatoms from the northwestern North Pacific
Micropaleontology Press   2013   
A Diatom frustule is an impure entity: determination of biogenic aluminum and rare earth element composition in diatom opal and its implication for marine chemistry
Akagi, T., Emoto, M., Takada, R. and Takahashi, K. (Part:Joint Work)
Nova Science Publishers   May 2015   

Conference Activities & Talks

Biostratigraphy and paleoceanography at IODP U1341 in the Bering Sea
Okazaki, Y., T. Ikjenoue, and K. Takahashi
2013 Paleoceanography Symposia   7 Jan 2013   Atomosphere and Ocean Research Institute, the University of Tokyo
Impact of climate change by the closure of the early Pleistocene Bering Strait
Seki, O., J. Onodera. M. Ikehara, Y. Okazaki, K. Kewamura, and K. Takahashi
2012 Paleoceanography Symposia   7 Jan 2013   Atomosphere and Ocean Research Institute, the University of Tokyo
Particle fluxes and paleoenvironmental reconstruction in the high latitudes of the Northern Hemisphere [Invited]
Japan Geoscience Union 2014 Meeting   28 Apr 2014   Japan Geoscience Union
Memorial Lecture for the Paleosciences Society Award
Plio-Pleistocene paleoceanographic reconstruction of the northwestern Pacific and the Bering Sea based on fossil diatoms
Yuji Kato, Jonaotaro Onodera, Itsuki Suto, Eihito Teraishi, and Kozo Takahashi
Japan Geoscience Union 2014 Meeting   29 Apr 2014   Japan Geoscience Union
Chamical composition of diatom frustules with a new method other than conventional opal analyses
Mariko Emoto, Tasuku Akagi, and Kozo Takahashi
64th Annual Meeting of 2014 Geochemical Society of Japan   16 Sep 2014   Geochemical Society of Japan


Advancement in Plio-Pleistocene paleoceanography of the Bering Sea
The Others   Feb 2016
Summary of the recent results of IODP Expedition 323 to the Bering Sea and other studies have been integrated.
Needs for a new ice-breaker for the Artic Ocean
The Others   May 2012
Site U1344
The Others   Mar 2011
Site U1345
The Others   Mar 2011
Site U1343
The Others   Mar 2011