Advancement and new challenges in marine researches of trace elements and their isotopes

Update: 02. 19, 2014

(Mar. 13-14, 2014)

Research Meeting in International Coastal Research Center 

Date： March 13, 2013（Thu）13:00～18:10
March 14, 2013（Fri）  9:30～15:30
Venue：Auditorium
Atmosphere and Ocean Research Institute (AORI), The University of Tokyo
             5-1-5 Kashiwanoha, Kashiwa-shi, Chiba 277-8564, JAPAN
            Tel: +81-4-7136-6011
Convener: Toshitaka Gamo (AORI, The University of Tokyo, Phone: 04-7136-6080, E-mail: gamo@aori.u-tokyo.ac.jp)
Contact Person at AORI: Toshitaka Gamo (AORI, The University of Tokyo, Phone: 04-7136-6080, E-mail: gamo@aori.u-tokyo.ac.jp)
 

March 13 (Thursday)

13:00-13:10　Opening remarks (T. Gamo, AORI, Univ. Tokyo)

 (Chair: Y. Nakaguchi (Kinki Univ.))
13:10-13:30　Sampling and onboard analytical methods for subnanomolar of Zn in seawater (○T-J. Kim, H. Obata, T. Gamo (AORI, Univ. Tokyo), J. Nishioka (Inst. Low Temp. Sci., Hokkaido Univ.))
13:30-13:50　The determination of bioactive trace metals in seawater using an automated preconcentration device and the distribution of these metals in the North Pacific Ocean (○L. Zheng, W. Konagaya, T. Minami, Y. Sohrin (Inst. Chem. Res., Kyoto Univ.)
13:50-14:10　Biogeochemical Cycling of Copper Isotopes in the Ocean (○S. Takano, Y. Sohrin (Inst. Chem. Res., Kyoto Univ.), M. Tanimizu (JAMSTEC), T. Hirata (Grad. School Sci., Kyoto Univ.))
14:10-14:30　Mass spectrometric analysis of dissolved trace hydrogen sulfide for the quantification of metal sulfide complexes: Current progress and issues (N. Nakayama (AORI, Univ. Tokyo))

(Coffee break)

(Chair: M. Uematsu, AORI, Univ. Tokyo)
14:50-15:30　Special lecture: Fukushima- a view from the ocean (K. Buesseler, Center for Marine and Environmental Radioactivity, Woods Hole Oceanographic Institution, USA)
15:30-15:50　Distribution of tritium in surface seawater off the Pacific coast of Tohoku, Japan (○N. Takahata (AORI, Univ. Tokyo), Y. Tomonaga (AORI, Univ. Tokyo, Eawag, Switzerland) H. Obata, T. Gamo (AORI, Univ. Tokyo), M. Aoyama (Fukushima Univ.), M. Hult (JRC, European Comm.), J. Nishikawa, M. Uematsu, K. Tanaka (AORI, Univ. Tokyo), H. Tazoe (Hirosaki Univ.), Y. Sano (AORI, Univ. Tokyo))
15:50-16:10　Distribution of iodine-129 in coastal and offshore area around Fukushima (T. Suzuki, S. Otosaka (JAEA-RGES))
16:10-16:30　Distribution of ¹²⁹I and ¹³⁷Cs in the North Pacific in summer 2012 (A. Hasegawa, K. Tsujita (Grad. School Integr. Basic Sci., Nihon Univ.), T. Yamagata, ○H. Nagai (College Human. Sci., Nihon Univ.), H. Matsuzaki (School Engineer., Univ. Tokyo))

(Coffee break)

(Chair: J. Zhang (Univ. Toyama))
16:50-17:10　Accidental input of perfluorooctane sulfonates and related chemicals into ocean environment by the earthquake 3.11 and following Tsunami (○E. Yamazaki, S. Taniyasu, K. Shimamura, N. Yamashita　（AIST）, T. Gamo (AORI, Univ. Tokyo), Y. Miyazawa, Y. Kumamoto (JAMSTEC))
17:10-17:30　Global distribution of perfluorooctane sulfonates and related chemicals in ocean environment (○S. Taniyasu, E. Yamazaki, K. Shimamura, N. Yamashita (AIST), T. Gamo (AORI, Univ. Tokyo), M. Yamada (Hirosaki Univ.), Y. Kumamoto (JAMSTEC))
17:30-17:50　Precise determination of dissolved platinum in seawater of the Japan Sea, Sea of Okhotsk and western North Pacific Ocean (○A. Suzuki, H. Obata (AORI, Univ. Tokyo), A. Okubo (JAEA), T. Gamo (AORI, Univ. Tokyo))
17:50-18:10　Sedimentary processes of biophile elements and metals in the Northern part of the North Pacific －R/V Hakuho-maru cruise KH-12-4－ (○H. Minami (Tokai Univ., Bio. Sci.), K.Sawazaki (Tokai Univ., Grad. School Sci. En.), T. Oba (Tokai Univ., Grad. School Marine Sci. Tech.), K. Takeda (Kinki Univ., Grad. School Sci. Tech.), A. Suzuki, H. Obata (AORI, Univ. Tokyo), Y. Nakaguchi (Kinki Univ., Sci. En.))

(Buffet party)

March 14 (Friday)
(Chair: Y. Sohrin (Inst. Chem. Res., Kyoto Univ.))
09:30-09:50　Dissolved iron(II) in the northeastern Bering Sea shelf and Chukchi Sea (○Y. Kondo (Natl. Inst. Polar Res.), H. Obata (AORI, Univ. Tokyo), A. Ooki (Grad. School Fish. Sci., Hokkaido Univ.), J. Nishioka (Inst. Low Temp. Sci., Hokkaido Univ.), Y. Yamashita (Fac. Environ. Earth Sci., Hokkaido Univ.) and K. Kuma (Grad. School Fish. Sci., Hokkaido Univ.)
09:50-10:10　West-to-east dissolved iron distribution in the subarctic Pacific (J. Nishioka (Inst. Low Temp. Sci., Hokkaido Univ.) and H. Obata (AORI, Univ. Tokyo)
10:10-10:30　East-west variation of atmospheric nitrogen deposition to the subarctic North Pacific during summer (R. Naoe, ○S. Takeda (Grad. School Fish. Sci. Environ. Studies, Nagasaki Univ.), and K. Tamura (Nagasaki Pref. Inst. Environ. Res. Public Health)

(Coffee break)

(Chair: N. Nakayama (AORI, Univ. Tokyo))
10:50-11:10　Section profiles of barium in seawater and pore water at the North Pacific sub-arctic region (○T. Oba, Y. Kato (Mar. Sci. & Tec., Tokai Univ.), H. Minami, K. Sawazaki (Mar. Bio. & Sci., Tokai Univ.), K. Takeda, Y. Nakaguchi (Sci. & Eng., Kinki Univ.))
11:10-11:30　 The cross-sectional observation of selenium in the northern North Pacific Ocean (○Y. Nakaguchi, K. Ookura (School of Sci. Engineer., Kinki Univ.), K. Takeda (Grad. School Sci. Engineer. Res., Kinki Univ.))
11:30-11:50　Surface neodymium isotopic distributions in the South Pacific and the Pacific sector of the Southern Ocean (○H. Tazoe (Hirosaki Univ.), H. Sato, T. Yamagata, H. Nagai (College Human. Sci., Nihon Univ.), H. Obata, T. Gamo (AORI, Univ. Tokyo)

(Lunch hour)

(Chair: T. Gamo (AORI, Univ. Tokyo))
13:00-13:10　GEOTRACES program: its present state (T. Gamo (AORI, Univ. Tokyo))
13:10-13:30　Report on the 2013 GEOTRACE-SSC Meeting and perspectives (Y. Sohrin (Inst. Chem. Res., Kyoto Univ.))
13:30-13:50　Brief report of GEOTRACES-DMC and OSM2014 (J. Zhang (Univ. Toyama))
13:50-14:10　Report on GEOTRACES Standard and Intercalibration Committee activity in 2013 (H. Obata (AORI, Univ. Tokyo))
14:10-14:30　Plan for the Hakuho Maru KH-14-6 cruise
14:30-15:30　Discussion