Curriculum Vitae

Dr. Takeyoshi Nagai

Address:

4-5-7 Konan Minato-ku

Tokyo 108-8477 JAPAN

Department of Ocean Sciences

Tokyo University of Marine Science and Technology

Email: tnagai@kaiyodai.ac.jp

Phone: Work +81 (3) 5463-0460

Education:

Postdoctoral Researcher, IGPP, UCLA, 2005 Aug.-2007 Mar.

Postdoctoral Research Associate, UMass Dartmouth, 2004-2005 July (Supervision of Prof. Amit Tandon).

Tokyo University of Fisheries, Ph.D., 2004: (Surface Mixed Layer Dynamics and Phytoplankton Photoresponse: advised by Prof. Hidekatsu Yamazaki).

Visiting Grad Student at School of Earth and Ocean Sciences, UVic, Canada, 2002.

Tokyo University of Fisheries, M. S., 2000

Tokyo University of Fisheries, B. S., 1998

Appointments:

2007 Mar-Present Assist. Prof. Tokyo Univ. Marine Science and Tech.

2005 Aug-2007 Mar. Postdoctoral Researcher, IGPP, UCLA.

2004 April-2005 July. Postdoctoral Researcher, UMass Dartmouth

2001. Graduate School Research Assistant, Tokyo University of Fisheries.

1998-2001. Teaching Assistant, Tokyo University of Fisheries.

Publications:

Nagai, T., A. Tandon, D. L. Rudnick, Two dimensional Ageostrophic Secondary Circulation at Ocean Fronts due to Vertical Mixing and Large Scale Deformation. J. Geophys. Res. In Press.

Nagai, T., H. Yamazaki, H. Nagashima, L. H. Kantha, Field and numerical study of entrainment laws for surface mixed layer, Deep-Sea Research II, 52, 1109-1132, 2005.

Nagai, T., H. Yamazaki and D. Kamykowski, A Lagrangian photoresponse model coupled with 2nd-order turbulence closure. Mar. Ecol. Prog. Ser. 265, 17-30, 2003.

Nagai, T., Surface mixed layer dynamics and phytoplankton photoresponse. Ph.D. thesis, Tokyo University of Fisheries, Tokyo, Japan, 2004.

Yamazaki, H., Nagai T., How to do random walk right in eddy viscosity models, In Baumert H, Simpson J, Sundermann J, Marine Turbulence: Theories, observations and models (pg. 207-212). Cambridge University Press, 2005.

Nagai, T., N. Gruber, F. Hartmut, J. C. McWilliams, G.-K. Plattner, Dominant role of eddies in offshore organic carbon transports in the California Current System, 2006, (In preparation)

Nagai, T., A. Tandon, N. Gruber, J. C. McWilliams, Influence of ageostrophic circulations near fronts due to vertical mixing and large scale deformation on primary production, 2006, (To be submitted to Dyn. Atmos. Oceano.)

Presentations

Nagai, T., H. Yamazaki and H. Nagashima, Field and numerical study on the deepening of diurnal mixing layer. June, 2003, Warnemunde Turbulence Days, Germany, (Abstract available at http://www.io-warnemuende.de/phy/wtd/abstracts.php?wahl=24)

Nagai, T. and H. Yamazaki, Lagrangian phytoplankton model coupled with Mellor-Yamada turbulence closure, July 2000, CARTUM Meeting, Bidston, England.

Nagai, T. and H. Yamazaki, A testing an empirical flux model for nighttime convective mixing, 2002, Ocean Sci. Meet. Honolulu Hawaii (Abstract OS41F-91 available at AGU website)

Nagashima, H., T. Nagai, H. Yamazaki and, L. H. Kantha, Field and numerical study of entrainment laws for surface mixed layer. 2004, Eos Trans. AGU, 85(47), Fall Meet. Suppl., Abstract OS43C-02 (Abstract available at AGU website).

Tandon, A., T. Nagai, Ageostrophic frontal secondary circulation with confluence and mixing. 2004, Eos Trans. AGU, 85(47), Fall Meet. Suppl., Abstract OS43C-02 (Abstract available at AGU website).

Seminars
2005, Jan. 5, Ageostrophic frontal secondary circulation with confluence and mixing. At Frontier Research Center for Global Change (FRCGC).

2004, Oct. 27, Diurnal Mixing Layer and Phytoplankton Photoresponse. At GSO, University of Rhode Island.

2004, Sep. 23, Diurnal Mixing Layer and Phytoplankton Photoresponse. SMAST Fall Seminar at School of Marine Science and Technology University of Massachusetts Dartmouth.

2004, Sep. 22, Oceanic mixed layer and phytoplankton photoresponse. Physics Seminar at University of Massachusetts Dartmouth.

2004, Sep. 7, Diurnal Mixing Layer and Phytoplankton Photoresponse. PO seminar at Woods Hole Oceanographic Institution.

Cruise experience

1. 2006, Assist mooring recovery and deployment off Santa Monica Bay.

R/V Robert Gordon Sproul (Scripps Institution of Oceanography)

2. 2005, 2006, Participated in Diurnal Experiments for 48 hours off Santa Monica Bay for CTD observations and water sampling near UCLA mooring, using R/V Sea World (UCLA)

3. 2004, 1 week in Dec. Participating as a visiting scientist with Dr. D. Ullman (Chief Scientist from University of Rhode Island) and Dr. D. Hebert (University of Rhode Island) for towed-microstructure (Acrobat) survey, CTD surveys, Tow-yo CTD: ScanFish surveys, using R/V Endeavor (University of Rhode Island) around shelf break front in Mid Atlantic Bight.

4. 2002-2003, Participating as a teaching assistant for CTD surveys, water Sampling, Tow-yo CTD: Aquashuttle surveys, XBT surveys, shipboard and Towed ADCP surveys, using R/V Seiyo-maru, and R/V Shinyo-maru (Tokyo University of Fisheries) in Tateyama bay Japan.

5. 2001, 2 weeks in Oct. Participating as a Ph.D. student with Prof. H. Yamazaki (Chief Scientist from Tokyo University of Fisheries) and Prof. R. G. Lueck (UVic) for microstructure profiler (TurboMAP) survey, CTD surveys, water Sampling, Tow-yo CTD: Aquashuttle surveys, XBT surveys, shipboard and Towed ADCP surveys, using R/V Shinyo-maru (Tokyo University of Fisheries) around Izu-Ogasawara islands Japan.

6. 2001, Aug. Participating as a Ph.D. student with Prof. H. Yamazaki (Chief Scientist from Tokyo University of Fisheries), H. Nagashima (Tokyo University of Fisheries) for microstructure profiler (TurboMAP) survey, CTD surveys, ADP survey using R/V Hakken-go (Lake Biwa Research Institute) in Lake Biwa, Japan.

7. 1999, 2 weeks in Oct. Participating as a master student with Prof. H. Yamazaki (Chief Scientist from Tokyo University of Fisheries) and Prof. R. Dewey (UVic) for microstructure profiler (TurboMAP) survey, CTD surveys, water Sampling, Tow-yo CTD: Aquashuttle surveys, XBT surveys, shipboard surveys, using R/V Shinyo-maru (Tokyo University of Fisheries) around Izu-Ogasawara islands Japan.

8. 1999, Aug. Participating as a master student with Prof. H. Yamazaki (Chief Scientist from Tokyo University of Fisheries), H. Nagashima (Tokyo University of Fisheries) for microstructure profiler (TurboMAP) survey, CTD surveys, using R/V Hakken-go (Lake Biwa Research Institute) in Lake Biwa, Japan.

9. 1998-2000, Participating as a master student for CTD surveys, water Sampling, Tow-yo CTD: Aquashuttle surveys, XBT surveys, shipboard and Towed ADCP surveys, using R/V Seiyo-maru, and R/V Shinyo-maru (Tokyo University of Fisheries) around Izu islands and Sagami bay Japan.