PRELIMINARY STUDY ON PARTICULATE ORGANIC CARBON EXPORT FLUXES IN THE BERING SEA

ADVANCES IN POLAR SCIENCE ›› 2009, Vol. 21 ›› Issue (2): 116-123.

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PRELIMINARY STUDY ON PARTICULATE ORGANIC CARBON EXPORT FLUXES IN THE BERING SEA

MA Hao, HE Jian-Hua, CENG Zhi, YIN Meng-Duan, CHEN Li-Ai, CENG Shi

1 Key Laboratory of Global Change and Marine-Atmospheric Chemistry; State Oceanic Administration; Xiamen 361005; China; 2 Third Institute of Oceanography; 3 Department of Engineering Physics; Tsinghua University; Beijing 100084;

Online:2009-06-30 Published:2009-06-30

Abstract

Abstract:

During the Second Chinese National Arctic Expedition from July to September of 2003,depth profiles of dissolved and particulate 234Th in upper water columns were collected at two stations in the Bering Sea. Thorium-234 was sampled by using a traditional Fe(OH)3 co-precipitation technique,which is a reliable approach to 234Th measurement. We observed 234Th excess at station BR03 below the euphotic zone,which is possibly due to the intensive reminera-lization of particulate matter. Particulate organic carbon ...

Key words: 234Th/238U disequilibria, euphotic zone, particulate organic carbon, Bering Sea.

MA Hao, HE Jian-Hua, CENG Zhi, YIN Meng-Duan, CHEN Li-Ai, CENG Shi. PRELIMINARY STUDY ON PARTICULATE ORGANIC CARBON EXPORT FLUXES IN THE BERING SEA[J]. ADVANCES IN POLAR SCIENCE, 2009, 21(2): 116-123.

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PRELIMINARY STUDY ON PARTICULATE ORGANIC CARBON EXPORT FLUXES IN THE BERING SEA

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