Personal Information

Name:
Taketo Hashioka

Correspondence Address:
Faculty of Environmental Earth Science, University of Hokkaido, N10, W5, Sapporo 060-0810, Japan

Phone / Fax:
81-11-706-2288 / 81-011-706-4865

E-mail:
hashioka@ees.hokudai.ac.jp

Employment Record:

2006-Present: Postdoctral Researcher: 21st Century Center of Excellence Program funded by MEXT(Ministry of Education, Culture, Sports, Science and Technology), University of Hokkaido.

2003-Present: Programming Instructor for Supercomputing, Information Technology Center, University of Hokkaido.

2003-2005: Research Assistant, 21st Century Center of Excellence Program funded by MEXT(Ministry of Education, Culture, Sports, Science and Technology), University of Hokkaido.

2004: Teaching Assistant, Graduate School of Environmental Science, University of Hokkaido.

Education:
2006: Ph.D. Graduate School of Environmental Earth Science, University of Hokkaido (Title: Modeling of Ecosystem and Biogeochemical Cycles in the Western North Pacific)

2003: M.S. Graduate School of Environmental Earth Science, University of Hokkaido (Title: Modelling of seasonal variations of ecosystem and biogeochemical cycles in the western North Pacific)

2000: B.Sc. Faculty of Science, University of Hiroshima (in the field of High Energy Astrophysics)

Award:
2006: Most challenging interdisciplinary poster (Hokkaido University International Symposium on "Sustainable Development", August 7-9, 2006)

2003: Numaguti Prize (Best paper award in the division of ocean and atmospheric science in Graduate School of Environmental Earth Science, University of Hokkaido)

Grants:
2006: ESF(European Science Foundation)-JSPS(Japan Society for the Promotion of Science) Frontier Science Conference Series for Young Researchers, Nynashamn, Sweden

2006: Travel Grant, Marine Future Technical Society
To present a paper at PICES/GLOBEC CCCC Symposium, Hawaii, U.S.A

2005: Travel Grant, Japan Marine Science Foundation
To present a paper at Advances in Marine Ecosystem Modelling Research, Plymouth, UK.

2004: Travel Grant, Marine Future Technical Society
To present a paper at European Geosciences Union 1st General Assembly, Nice, France.

Publications:
1. T. Hashioka and Y. Yamanaka: Temperature dependency of rain ratio obtained by a 3-D ecosystem-biogeochemical model (in preparation).

2. K. Matsumoto, T. Hashioka and Y. Yamanaka: The effect of temperature dependent organic carbon rain on atmospheric pCO2, Journal of Geophysical Research, (accepted).

3. T. Hashioka and Y. Yamanaka: Seasonal and Regional Variations of Phytoplankton Groups by Top-down and Bottom-up Controls Obtained by a NEMURO Coupled with a General Circulation Model, Ecological Modelling, (in press), [2007].

4. T. Hashioka and Y. Yamanaka: Ecosystem change in the western North Pacific due to global warming obtained by a 3-D NEMURO, Ecological Modelling, (in press), [2007].

5. Masuda, Y., Y. Yamanaka, T. Hashioka, M. Magi and T. Ohsumi: A Lagrangian method combined with high resolution ocean general circulation model to evaluate CO2 ocean sequestration. In, E. S. Rubin, D. W. Keith and C. F. Gilboy (Eds.), Proceedings of 7th International Conference on Greenhouse Gas Control Technologies. Volume 1: Peer-Reviewed Papers and Plenary Presentations, IEA Greenhouse Gas Programme, Cheltenham, UK, [2004].

Presentations at International Meeting
1. T. Hashioka and Y. Yamanaka, T. T. Sakamoto and F. Shido: Future projection of ecosystem change in the western North Pacific, ESSP, Beijing, China, November, 2006.

2. T. Hashioka and Y. Yamanka: Marine ecosystem changes associated with global warming obtained by a numerical model, Hokkaido University International Symposium on Sustainable Development, Hokkaido, Japan, August 8, 2006

3. T. Hashioka and Y. Yamanaka: Ecosystem change in the western North Pacific associated with global warming obtained by a 3-D ecosystem model, ESF-JSPS Frontier Science Conference Series for Young Researchers, Nynashamn, Sweden, June, 2006.

4. T. Hashioka, Y. Yamanaka F. Shido and T. T. Sakamoto: Ecosystem change in the western North Pacific associated with global warming obtained by 3-D ecosystem model. PICES/GLOBEC CCCC Symposium, Hawaii, U. S. A, April 19-21, 2006.

5. T. Hashioka and Y. Yamanaka: Determination mechanism of seasonal and regional variations of phytoplankton groups by top-down and bottom-up controls obtained by a 3-Decosystem model. PICES/GLOBEC CCCC Symposium, Hawaii, U. S. A, April 19-21, 2006.

6. T. Hashioka, Y. Yamanaka and T. T. Sakamoto: Response of lower trophic level ecosystem to global warming in the western North Pacific. 2006 Ocean Science Meeting, Hawaii, U. S. A, February 20-24, 2006.

7. T. Hashioka and Y. Yamanaka: Ecosystem change in the western North Pacific associated with global warming obtained by 3-D NEMURO. FRA/ APN/ IAI/ GLOBEC/ PICES Joint Workshop, Tokyo, Japan, November 14-17, 2005.

8. T. Hashioka and Y. Yamanaka: Seasonal and regional variations of phytoplankton groups by top-down and bottom-up controls obtained by 3-D ecosystem-biogeochemical model. Advances in Marine Ecosystem Modelling Research, Plymouth, UK, June 27-29, 2005.

9. T. Hashioka and Y. Yamanaka: Change in rain ratio associated with global warming obtained by a 3-D ecosystem model. 2005 ASLO Summer Meeting, Santiago de Compostela, Spain, June 19-24, 2005.

10. T. Hashioka and Y. Yamanaka: Temperature dependency of rain ratio obtained by 3-D ecosystem-biogeochemical model. European Geosciences Union General Assembly, Vienna, Austria, April 24-29, 2005.

11. T. Hashioka, Y. Yamanaka, M. N. Aita, Biogeochemical cycles and ecosystem changes due to global warming obtained by 3-D ecosystem model. The Ocean in a High CO2 World, UNESCO, Paris, France, May 10-12, 2004.

12. T. Hashioka and Y. Yamanaka: Seasonal and regional variations of phytoplankton groups by Top-down and Bottom-up controls obtained by a 3-D ecosystem model. European Geosciences Union 1st General Assembly, Nice, France, April 25-30, 2004.

13. T. Hashioka and Yamanaka, Y.: Seasonal and regional variations of phytoplankton groups by top-down and bottom-up controls obtained by NEMURO coupled with a general circulation model. PICES model task team workshop "Summary and Synthesis of Contributions from NEMURO and NEMURO.FISH", Yokohama, Japan, December 15-18, 2003.


Presentations at International Meeting (co-author)
1. S. Ito, A. Takasuka, Y. Oozeki, A. Yatsu, M. Noto, M.J. Kishi, Y. Yamanaka, T. Hashioka, M.N. Aita, K.A. Rose, B.A. Megrey, F.E. Werner, C. Lingen, M. Barange, Y. Shin, L. Cubillos, L. Jacobson, V.N. Agostini, S.E. Lluch-Cota, G. Onizuka and Y. Kamezawa: A sardine growth model coupled with lower trophic level ecosystem model NEMURO, PICES 15th Annual Meeting, Yokohama, Japan, October 13-22, 2006

2. F. Shido, Y. Yamanaka, S. Ito, T. Hashioka, D. Mukai and M. J. Kishi: A two-dimensional fish model simulating biomass of pacific saury, PICES 15th Annual Meeting, Yokohama, Japan, October 13-22, 2006

3. F. Shido, T. Hashioka, Y. Yamanaka, D. Mukai, M. J. Kishi and S. Ito: Migration and distribution of Pacific saury simulated by a two-dimensional model combined fish bioenergetics with population dynamics. ICEM2006, Yamaguchi, Japan, August 28- September 1, 2006

4. M. J. Kishi, I. Nakajima, Y. Kamezawa, D. Mukai, M. A. Noguch, T. Hashioka and Y. Yamanaka: Interannual variation of squid, salmon, and saury growth using NEMURO.FISH. PICES/GLOBEC CCCC Symposium, Hawaii, U. S. A, April 19-21, 2006.

5. Y. Yamanaka, T. Hashioka, F. Shido, M. N. Aita and M. J. Kishi: Present status and next strategy of my group contributing to modeling group of NEMURO and NEMRUO.FISH, FRA/ APN/ IAI/ GLOBEC/ PICES Joint Workshop, Tokyo, Japan, November 14-17, 2005.

6. Yamanaka, Y., T. Hashioka, M. N. Aita and M. J. Kishi: Changes in ecosystem in the western North Pacific associated with global warming. PICES XIV Annual Meeting, Vladivostok, Russia, September 29-October 9, 2005.

7. Y. Yamanaka, T. Hashioka, M. N. Aita, Michio J. Kishi: Change in ecosystem and pelagic fish in the western North Pacific associated with global warming. Advances in Marine Ecosystem Modelling Research, Plymouth, UK, June 27-29, 2005.

8. K. Nakajima, T. Hashioka and Michio J. Kishi:Analysis of spatial difference in wet weight of Japanese common squid,Todarodes pacificus, in the Japan Sea, Advances in Marine Ecosystem Modelling Research, Plymouth, UK, June 27-29, 2005.

9. Y. Yamanaka and T. Hashioka: Ecosystem change in the western North Pacific due to global change obtained by 3-D ecosystem model. 2005 ASLO Summer Meeting, Santiago de Compostela, Spain, June 19-24, 2005.

10. Y. Yamanaka, T. Hashioka and M. N. Aita: Ecosystem change in the western North Pacific due to global change obtained by a 3-D ecosystem model. European Geosciences Union General Assembly, Vienna, Austria, April 24-29, 2005.

11. Y. Yamanaka, N. Yoshie, T. Hashioka, M. J. Kishi: Extension of NEMURO to represent habitant segregation of plankton groups in the western North Pacific. PICES 13th Annual Meeting, Hawaii, U.S.A., October, 14-24, 2004.

12. Y. Masuda, Y. Yamanaka, T. Hashioka, M. Magi, S. Murai, T. Ohsumi: A Lagrangian method combined with high resolution ocean general circulation model to evaluate CO2 ocean sequestration. The Seventh International Conference on Greenhouse Gas Control Technologies, Vancouver, Canada, September, 5-9, 2004.

13. K. Matsumoto, T. Hashioka, Y. Yamanaka: The effect of temperature-dependent CaCO3:Corg rain ratio on atmosperic pCO2. 8th INTERNATIONAL CONFERENCE ON PALEOCEANOGRAPHY, Biarritz, Paris, France, September, 5-10, 2004.

14. Y. Yamanaka, Y. Masuda,T. Hashioka, M. Magi, T. Ohsumi, New 3-D Modelling for evaluation of CO2 ocean sequestration. The Ocean in a High CO2 World, UNESCO, Paris, France, May 10-12, 2004.

15. Y. Yamanaka and T. Hashioka: Ecosystem change in the western North Pacific due to global change obtained by a 3-D ecosystem model. European Geosciences Union 1st General Assembly, Nice, France, April 25-30, 2004.

16. Y. Yamanaka and T. Hashioka: Ecosystem change in the western North Pacific due to global change obtained by 3D NEMURO. PICES model task team workshop "Summary and Synthesis of Contributions from NEMURO and NEMURO.FISH", Yokohama, Japan, December 15-18, 2003.

17. Y. Yamanaka, M. J. Kishi, S. Ito, T. Hashioka, M. N. Aita, B. A. Megrey, F. E. Werner: Horizontal migration of Pacific Saury in the present and future obtained by Lagrangian NEMURO.FISH. PICES model task team workshop "Summary and Synthesis of Contributions from NEMURO and NEMURO.FISH", Yokohama, Japan, December 15-18, 2003.

18. Yamanaka, Y., T. Hashioka., M. N. Aita and M. J. Kishi: Toward the next generation of 3D marine ecosystem model. The Study of Environmental Arctic Change (SEARCH) the first Open Science Meeting, Seattle, U.S.A., October 27-30, 2003.

19. Yamanaka, Y., T. Hashioka., M. N. Aita and M. J. Kishi: Development of a 3Dimarine ecosystem model coupled with biogeochemical cycles. International Conference on Earth System Modelling, Hamburg, Germany, September 15-19, 2003.