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Megumi Chikamoto Postdoctoral Fellow[Past Staff] International Pacific Research Center School of Ocean and Earth Science and Technology University of Hawaii Honolulu, Hawaii 96822 Email: Webpage: http://iprc.soest.hawaii.edu/users/megumich/index.html |
Education
- 2005 - Ph.D., Graduate School of Environmental Earth Science, Hokkaido University, Sapporo, Japan
- 2001 - M.S., Graduate School of Environmental Earth Science, Hokkaido University, Sapporo, Japan
- 1999 - B.S., Department of Marine Science and Technology, Tokyo University of Fisheries, Tokyo, Japan
Research Interests
- Marine biogeochemistry and the ocean carbon cycle
- Glacial-interglacial and millennium-scale climate changes
- Variability of Atlantic meridional overturning circulation
Scientific Work Experience
- Postdoctoral Fellow, IPRC/SOEST, University of Hawaii at Manoa, March 2012–present
- Scientist, RIGC, JAMSTEC, April 2011–March 2012
- Postdoctoral Researcher, RIGC, JAMSTEC, April 2008–March 2011
- Postdoctoral Associate, CCSR, University of Tokyo, April 2007–March 2008
- Postdoctoral Associate, Department of Geology and Geophysics, University of Minnesota, January 2006–April 2007
- Research Staff, Frontier Research System for Global Change, April 2001–March 2002
Refereed Publications
- Chikamoto, M.O., A. Timmermann, M. Yoshimori, F. Lehner, A. Laurian, A. Abe-Ouchi, A. Mouchet, F. Joos, C.C. Raible, and K.M. Cobb, 2016: Intensification of tropical Pacific biological productivity due to volcanic eruptions. Geophys. Res. Lett., 43 (3), 1184-1192, doi:10.1002/2015GL067359. IPRC-1171.
- Timmermann, A., T. Friedrich, O. Elison Timm, M.O. Chikamoto, A. Abe-Ouchi, and A. Ganopolski, 2014: Modeling Obliquity and CO2 Effects on Southern Hemisphere Climate during the Past 408 ka. J. Climate, 27 (5), 1863-1875, doi:10.1175/JCLI-D-13-00311.1. IPRC-1025.
- Weber, M.E., P.U. Clark, G. Kuhn, A. Timmermann, D. Sprenk, R. Gladstone, X. Zhang, G. Lohmann, L. Menviel, M.O. Chikamoto, T. Friedrich, and C. Ohlwein, 2014: Millennial-scale variability in Antarctic ice-sheet discharge during the last deglaciation. Nature, 510 (7503), 134-138, doi:10.1038/nature13397. IPRC-1054.
- Oka, A., A. Abe-Ouchi, M. O. Chikamoto, and T. Ide, 2011: Mechanisms controlling export production at the LGM: effects of changes in oceanic physical field and atmospheric dust deposition. Global Biogeochemical Cycles, 25, doi:10.1029/2009GB003628.
- Matsumoto, K., K.S. Tokos, M.O. Chikamoto, and A. Ridgwell, 2010: Characterizing postindustrial changes in the ocean carbon cycle in an Earth System model. Tellus B, 62, 296–313.
- Okazaki, Y., A. Timmermann, L. Menviel, N. Harada, A. Abe-Ouchi, M.O. Chikamoto, A. Mouchet, and H. Asahi, 2010: Deep water formation in the North Pacific during the last glacial termination. Science, 329, 200–204.
- Chikamoto, M.O., K. Matsumoto, and Y. Yamanaka, 2009: Influence of export rain ratio changes on atmospheric CO2 and sedimentary calcite preservation. J. Oceanogr., 65, 209–221.
- Chikamoto, M.O., K. Matsumoto, and A. Ridgwell, 2008: Response of deep-sea CaCO3 sedimentation to Atlantic meridional overturning circulation shutdown. Journal of Geophysical Research Biogeosciences, 113, doi:10.1029/2007JG000669.
- Chikamoto, M.O., and Y. Yamanaka, 2005: Sedimentary responses to an abrupt change of biogenic silica flux by a sediment model for long timescale simulations. J. Oceanogr., 61, 733–746.