Profile

Paleoceanography Team
External Researcher
Address
Research Institute for Global Change (RIGC)
JAMSTEC
Natsushima-cho 2-15, Yokosuka 237-0061, JAPAN
TEL:+81-46-867-9499
FAX:+81-46-867-9455
Research Interests
- Reconstructions of past Asian monsoon/westerly jet variations based on eolian dust in marine/lake sediments
- Development of provenance study using Electron Spin Resonance (ESR) and Cathodeluminescence (CL) of quartz
Curriculum Vitae
| 1977 Oct. | Birth |
| 2005 | Ph. D., Tokyo University, Japan (Dc. Sci.) |
| 2005-2008 | Postdoc, JAMSTEC |
| 2008-2013 | Researcher, JAMSTEC |
| 2013-Present | External Researcher, JAMSTEC |
Publications
- Nagashima K., Asahara Y., Takeuchi F., Harada N., Toyoda, S., Tada, R. (2012) Contribution of detrital materials from the Yukon River to the continental shelf sediments of the Bering Sea based on the electron spin resonance signal intensity and crystallinity of quartz, Deep Sea Research II, 61-64, 145-154.
- Nagashima, K.,Toyoda, S. (2012) Paleoclimate reconstruction based on Asian dust in the marine sediments,Earozoru Kenkyu,27(3),284-291. in Japanese with English abstract
- Rella, F. S., Tada, R., Nagashima, K., Ikehara, M., Itaki, T., Ohkushi, K., Sakamoto, T., Harada, N., Uchida, M. (2012) Abrupt changes of intermediate water properties on the northeastern slope of the Bering Sea during the last glacial and deglacial period, Paleoceanography, 27, PA3203, doi:10.1029/2011PA002205.
- Asahara, Y., Takeuchi, F., Nagashima, K., Harada, N., Yamamoto, K., Oguri, K., Tadai, O. (2012) Provenance of terrigenous detritus of the surface sediments in the Bering and Chukchi Seas as derived from Sr and Nd isotopes: implications for recent climate change in the Arctic regions, Deep Sea Research II, 61-64, 155-171.
- Harada, N., M. Sato, O. Seki, A. Timmermann, H. Moossen, J. Bendle, Y. Nakamura, K. Kimoto, Y. Okazaki, K. Nagashima, S.A. Gorbarenko, A. Ijiri, T. Nakatsuka, L. Menviel, M.O. Chikamoto, A. Abe-Ouchi, S. Schouten (2012) Sea surface and subsurface temperature changes in the Okhotsk Sea and adjacent North Pacific during the Last Glacial Maximum and deglaciation. Deep-Sea Res. II, 61-64, 93-105.
- Nagashima, K., Tada, R., Tani, A., Sun, Y., Isozaki, Y., Toyoda, S., Hasegawa, H. (2011) Millennial-scale oscillations of the westerly jet path during the last glacial period, Journal of Asian Earth Sciences 40, 1214-1220.
- Tsukamoto, S., Nagashima, K., Murray, A. S., Tada, R. (2010) Variations in OSL components from quartz from Japan sea sediments and the possibility of reconstructing provenance, Quaternary International, 234, 182-189.
- Nagashima, K., Tada, R., Toyoda, S. (2010) Provenance study of the Asian dust based on crystallinity and electron spin resonance signal intensity of quartz, Proceedings of the Eleventh Workshop on Environmental Radioactivity, 10-18, in Japanese with English abstract.
- Yamamoto, Y., Toyoda, S., Nagashima, K., Igarashi, Y., Tada, R. (2010) The grain size dependence of the E1’center observed in quartz of atmospheric deposition at two Japanese cities,Geochronometria, 37, 9-12.
- Harada,N., Kimoto,K., Okazaki,Y., Nagashima, K.,Timmermann,A., Abe-Ouchi, A. (2009) Millennial time scale changes in surface to intermediate-deep layer circulation recorded in the sediment cores from the northwestern North Pacific,The Quaternary Research,48(3),179-194. in Japanese with English abstract
- Yamamoto, Y., Toyoda, S., Isozaki, Y., Sun, Y., Tada, R., Nagashima, K., Tani, A. (2009) Characterization of the eolian dust sources by ESR of impurity centers in quartz, Advances in ESR applications,25,7-12. in Japanese with English abstract.
- Toyoda, S., Hosogi, K., Nagashima, K, Isozaki, Y., Sun, Y., Tada, R. (2008) Paramagnetic defects in quartz as the proxies for provenance of aeolian and fluvial sediments, Proceedings for Third International Conference on Luminscence and Its Applications,36-38.
- Nagashima, K,Tada, R., Tani, A., Toyoda, S., Sun, Y., Isozaki, Y. (2007) Contribution of aeolian dust in Japan Sea sediments estimated from ESR signal intensity and crystallinity of quartz, Geochemistry, Geophysics, Geosystems, doi:10.1029/2006GC001364.
- Nagashima, K,Tada, R., Matsui, H., Irino, T., Tani, A., Toyoda, S. (2007) Millennial-scale variatios in Asian winter monsoon and westerly during the last 150 kys deduced from eolian grain size,Palaeogeography, Palaeoclimatology, Palaeoecology, 247, 144-161.
- Sun, Y., Tada, R., Chen, J., Chen, H., Toyoda, S., Tani, A., Isozaki, Y., Nagashima, K., Hasegawa, H.,Jj, J. (2007) Distinguishing the sources of Asian dust based on electron spin resonance signal intensity and crystallinity of quartz, Atmos. Environ., 41, 8537-8548.
- Nagashima, K.,Tada,R., Matsui, H. (2004) Intensity vvariation in the Asian monsoon and the westerly during the last 140 kyr deduced from grain size analysis of Japan Sea sediments,The Quaternary Research,43(2),85-97. in Japanese with English abstract