East Asia GEOTRACES Workshop: Trace Element andIsotope (TEI) study in the Northwestern Pacific and its
marginal seasConveners: Hajime Obata, Tung-Yuan Ho, Liping Zhou, Mansik Choi, Jing Zhang, Jun
NishiokaThis workshop is supported by by Grants-in-Aid for Innovative Areas “Ocean Mixing Processes”(No.15H05820) from Monkasho (Ministry of Education, Culture, Sports, Science and Technology MEXT),
UTokyo Ocean Alliance, The Nippon Foundation, Institute of Low Temperature Science (Hokkaido University),and SCOR.

Sapporo, Japan
16-18 January 2017
Auditorium in Institute of Low Temperature ScienceHokkaido University

16 January (Monday)
08:00

Meet in Hotel lobby for travel to meeting site

09:00

Welcome from Director of Institute of Low Temperature Science(Professor N. Ebuchi)
Introduction(Hajime Obata, Jun Nishioka, Jing Zhang)

09:20

Plenary Talk (Dr. Greg Cutter)“2018 US GEOTRACES Pacific Meridional Transect: studying inputs andinternal cycling across a wide variety of coastal to oceanic regimes”

10:00

Plenary Talk (Dr. Eric Actherberg)“Trace metal cycling in the Atlantic Ocean. Inputs, distributions andbiogeochemical effects”

10:40

Coffee break

11:10Plenary Talk (Dr. Pheobe Lam)“The distribution of particle concentration and composition in
GEOTRACES: effects on scavenging”

11:40

Plenary talk (Dr. Hajime Obata)“Section cruises and Intercalibration in GEOTRACES Japan”

12:10

Lunch

13:20

Plenary talk (Dr. Jing Zhang)1

“Data Management and GEOTRACES Intermediate Data Product: fromthe global to the Asian marginal seas”
13:50

Keynote talk (Dr. Suk Hyun Kim)
“Plan of KIOST with RV ISABU for a GEOTRACES”

14:20

Keynote talk (Dr. Kyunghoon Shin)“Nitrogen isotope as a biogeotracer in the ocean”14:50

Keynote talk (Dr. Jun Nishioka)“A sub-polar marginal sea controls oceanic iron cycles in the North Pacific”

15:20

Coffee break

15:50

Keynote talk (Dr. Pavel Tishchenko)“Cruise Narrative, Line PO1W, Sea of Okhotsk Section, 1993 and Future
Plan - Cruise GEOTRACES, Line PO1W, Sea of Okhotsk, 2018”

16:20

Keynote talk (Dr. Aya Sakaguchi)“Application of environmental anthropogenic actinides to oceanography”

16:50

Adjourn
Dinner will start at 18h00 at the restaurant “Enrei-Soh”

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17 January (Tuesday)
09:00

Keynote talk (Dr. Liping Zhou)“Multiple-isotope tracers of seawater in the South China Sea”

09:30

Keynote talk (Dr. Guebuem Kim)
“Tracing the fluxes of nutrients and trace elements using Ra isotopes inthe northwestern Pacific marginal seas”

10:00

Keynote talk (Dr. Bochao Xu)“Using Ra-Rn as tracers to study upwelling processes in the ocean”

10:30

Coffee break

11:00

Keynote talk (Dr. Kuo-Fang Huang)“Long-Lived Thorium Isotopes in North Atlantic Zonal Transect: Sources,Sinks and Cycling”

11:30

Keynote talk (Dr. Kazuhiro Misumi)“Numerical modeling of iron cycle in the North Pacific”

12:00

Keynote talk (Dr. Akira Oka)
“A modelling study on global distribution of rare earth elements in theocean”

12:30

Lunch (Buffet lunch)

14:00

Keynote talk (Dr. Keiji Horikawa)“Application of neodymium isotopes to the Japan Sea deep-sea sediments
for 10 Myr: Japan Sea opening-closing history (K. Horikawa, Y. Kozaka, Y.
Asahara, and J. Zhang)”

14:30

Keynote talk (Dr. Kazuhiro Norisuye)“Chelating resin column separation method for Pb isotopes and verticalprofiles of Pb isotope ratios in the western subarctic North Pacific (K.
Norisuye, M. Nakagawa, K. Maruyama, H. Obata, T. Gamo, E. A. Boyle, J.-M.
Lee, K. Okamura, K. Nagaishi, T. Ishikawa).”

15:00

Short topics

16:00

Coffee break

16:30

Short topics

18:30

Adjourn

19:00

Dinner will start at Lecture Room on the 2nd floor in Institute of Low
Temperature Science.

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18 January (Wednesday)
09:00

Session “Bio-GEOTRACES”
Keynote talk (Dr. Tung-Yuan Ho)“Nickel limitation of nitrogen fixation in Trichodesmium”
Keynote talk (Dr. Koji Suzuki)“Phytoplankton community responses to iron and CO2 enrichment indifferent biogeochemical provinces of the Southern Ocean (K. Suzuki, H.
Endo, J. Nishioka, H. Hattori)”
Keynote talk (Dr. Yoshiko Kondo)“Influence of organic Fe-binding ligands on phytoplankton growth in thewestern subarctic North Pacific”
Short topics

11:00

Coffee break

11:30

Short topics

13:00

Lunch

14:00

Short topics

15:30

General Discussion

16:30

Adjourn and Tour in Institute of Low Temperature Science

19:15

Meeting at the Hotel lobby for dinner* Lunch during this workshop and dinner on 16 and 17 January will be provided (Alcohol
will not be covered by our grant).

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