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Curriculum Vitae

Atsuko Yamazaki  Ph.D

Research associate

Department of Earth and Planetary Sciences

Hokkaido University


Address

N10W8, Kita-ku, Sapporo, Hokkaido, 060-0810, JAPAN

mail: zaki (at) mail.sci.hokudai.ac.jp

phone: +81-(0)11-706-4637


Education

Ph.D  Natural history science, Hokkaido University (2013)

Nitrogen isotopes in coral skeletons as a new proxy for nutrient dynamics

M.A. Natural history science, Hokkaido University (2010)

Nitrogen isotopic composition of reef coral skeletons: The possibility as new nutrient proxy in oligotrophic oceans

B.A. Earth science, Hokkaido University (2008)

Seasonal variation of δ15N in coral skeletons


Academic Experience

2016-        : Research associate, Hokkaido University

2016-2016: Postdoctoral Fellow, Hokkaido University

2013-2016: JSPS research fellow PD

2012-2014: Visiting researcher, GEOMAR Helmholtz-Zentrum für Ozeanforschung Kiel

2010-2013: JSPS research fellow DC1

2008-2010: Teaching Assistant, Faculty of Science, Hokkaido University


Fellowships

April 2013−March 2016: JSPS research fellow PD

April 2010−March 2013: JSPS research fellow DC1

April 2008−March 2010: Kuroshio biological research foundation research fellow


Grants

April 2014March 2016: Grant-in-Aid for Young Scientists (B), Japan Society for the Promotion of Science (JSPS)

“The 100-year variation of nitrogen fixation rate in Caribbean modern/fossil corals”

April 2013March 2016: Grant-in-Aid for JSPS Fellows, Japan Society for the Promotion of Science (JSPS)

“The relationship between nitrogen cycle in surface ocean and climate changes recorded in Holocene reef corals”

April 2010March 2013: Grant-in-Aid for JSPS Fellows, Japan Society for the Promotion of Science (JSPS)

“The development of nitrogen isotope proxy in coral skeletons and the application for reconstruction of paleo-environments”


Affiliations

Japanese Coral Reef Society

The Geochemical Society of Japan

Japan Geoscience Union

American Geophysical Union

International Society for Reef Studies


Publications


Watanabe, T. K., T. Watanabe, A. Yamazaki, M. Pfeiffer, D. Garbe-Schönberg, and M. R. Claereboudt (2017) Past summer upwelling events in the  Gulf of Oman derived from a coral geochemical record, Scientific Reports, 7, 4578, doi:10.1038/s41598-017-04865-5


Kajita, H., A. Yamazaki, T. K. Watanabe,  C. C. Wu, C. C. Shen, and T. Watanabe (2017) Holocene sea surface temperature variations recorded in corals from Kikai Island, Japan, Geochemical Journal, 54(4), e9-e14, doi:10.2343/geochemj.2.0482


Yamazaki, A., T. Watanabe, U. Tsunogai, F. Iwase, and H. Yamano (2016), A 150-year variation of the Kuroshio transport inferred from coral nitrogen isotope signature, Paleoceanography, 31, doi:10.1002/2015PA002880.


Mitsuguci, T., M. Hirota, Paleo Labo AMS Dating Group, A. Yamazaki, T. Watanabe, H. Yamano (2016), Post-bomb coral Δ14C record from Iki Island, Japan: possible evidence of oceanographic conditions on the northern East China Sea shelf, Geo-Marine Letters, doi:10.1127/ejm/2016/0028-2521


Yamazaki, A., T. Watanabe, U. Tsunogai, H. Hasegawa, and H. Yamano (2015), The coral δ15N record of terrestrial nitrate loading varies with river catchment land use, Coral Reefs, 34(1), 353-362. doi: 10.1007/s00338-014-1235-1


Watanabe, T., T. Kawamura, A. Yamazaki, M. Murayama, and H. Yamano (2014), A 106-year monthly coral record reveals that the East Asian summer monsoon modulates winter PDO variability, Geophysical Research Letters, doi: 10.1002/2014GL060037


Inoue, M., D. Ishikawa, T. Miyaji, A. Yamazaki,  A. Suzuki,  H. Yamano, H. Kawahata, T. Watanabe (2014) Evaluation of Mn and Fe in coral skeletons (Porites spp.) as proxies for sediment loading and reconstruction of 50 yrs of land use on Ishigaki Island, Japan, Coral Reefs, 1-11, doi:10.1007/s00338-014-1128-3.


Yamazaki, A., T. Watanabe, N. Takahata, Y. Sano, and U. Tsunogai (2013) Nitrogen isotopes in intra-crystal coralline aragonites, Chemical Geology, 351, 276–280, doi:10.1016/j.chemgeo.2013.05.024.


Yamazaki, A., T. Watanabe, and U. Tsunogai (2011) δ15N in reef coral skeletons as a proxy of tropical nutrient dynamics, Geophys. Res. Lett., 38, L19605, doi:10.1029/2011GL049053. 

Yamazaki, A., T. Watanabe, N. Ogawa, N. Ohkouchi, K. Shirai, M. Toratani, and M. Uematsu (2011) Seasonal variations in the nitrogen isotope composition of Okinotori coral in the tropical Western Pacific: A new proxy for marine nitrate dynamics, J. Geophys. Res., 116, G04005, doi:10.1029/2011JG001697.

Yamazaki, A., T. Watanabe, K. Sowa, S. Nakachi, H. Yamano, and F. Iwase (2009) Reconstructing palaeoenvironments of temperate regions based on high latitude corals at Tatsukushi Bay in Japan, Journal of the Japanese Coral Reef Society, 11, 91-107.


Presentations at international meetings


A. Yamazaki, S. Hetzinger, J. von Reumont, U. Tsunogai, T. Watanabe, δ15N of Caribbean coral skeletons: Implications for controlling factor of North Atlantic nitrogen fixation, 2014 Ocean Sciences Meeting, Hawaii, USA, 26th February 2014, Poster presentation


A. Yamazaki, T. Watanabe, U. Tsunogai, F. Iwase, H. Yamano, A 150-year variation of Kuroshio transport detected by the nitrate δ15N records in coral skeletons, Goldschmidt conference 2013, Florence, Italy, 28th August 2013, Oral presentation


A. Yamazaki, T. Watanabe, U. Tsunogai, F. Iwase, H. Yamano, A 150-year coral record reveals intensification of oligotrophic Kuroshio transport to the temperate North Pacific, 3rd International Sclerochronology Conference, Bangor, Wales, UK, 19th May 2013, Oral presentation


A. Yamazaki, T. Watanabe, U. Tsunogai, Nitrogen isotope of coral skeletons as a proxy for marine nitrate sources in coral reefs, 12th International Coral Reef Symposium, Cairns, Australia, 11 July 2012, Poster presentation



T. Watanabe, A. Yamazaki, T. Kawamura, J. Isasa, T. Nakamura, K. Sowa, F. Iwase, K. Nomura, K. Sugihara, O. Abe, T. Sakamoto, M. Murayama, H. Yamano, Effect of environmental change on Porites growth during the last 100 years, 12th International Coral Reef Symposium, Cairns, Australia, 13 July 2012, Oral presentation


A. Yamazaki, T. Watanabe, U. Tsunogai, Application of coral 15N proxy: interannual variability of water mass in Tatsukushi Bay due to Kuroshio volume changes, JpGU International Symposium 2012, Makuhari, Japan, May 2012, Oral presentation 


A. Yamazaki, T. Watanabe, U. Tsunogai, Nitrogen isotope of coral skeletons: A new proxy for nitrogenous nutrients in oligotrophic oceans, 2nd International Geoscience symposium, Keelung, Taiwan, March 2012, Oral presentation


A. Yamazaki, T. Watanabe, U. Tsunogai, Nitrogen isotope of coral skeletons: A new proxy for nitrogenous nutrients in oligotrophic oceans, AGU fall meeting 2011, San Francisco, December 2011, Poster presentation


A. Yamazaki, T. Watanabe, U. Tsunogai, Nitrogen isotope of coral skeletons: A new proxy for nitrogenous nutrients in subtropical and tropical ocean, JpGU International Symposium 2011, Makuhari, Japan, May 2011, Oral presentation, Student Outstanding Presentation Award (Biogeosciences)


A. Yamazaki, T. Watanabe,  N. Ogawa, N. Ohkouchi, , K. Shirai, M. Toratani, and M. Uematsu,  Seasonal variations in nitrogen isotopic composition from Okinotori coral in the tropical Western Pacific: A new proxy for marine nitrate dynamics, EGU General Assembly 2010, Vienna, Austria, May 2010, Poster presentation


A. Yamazaki, T. Watanabe, T. Kawashima, N. Ohkouchi, N. Ogawa, M. Uematsu, Seasonal variation of d15N in coral skeletons. 11th International Coral Reef Symposium, Fort Lauderdale, Florida, July 2008, Poster presentation