2011 Fiscal Year Final Research Report
Coupling of silicon and carbon biogeochemical cycles in the surface ocean
| Project/Area Number |
20310006
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Environmental dynamic analysis
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| Research Institution | Nagasaki University (2009-2011)
The University of Tokyo (2008) |
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Principal Investigator |
TAKEDA Shigenobu 長崎大学, 大学院・水産・環境科学総合研究科, 教授 (20334328)
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| Co-Investigator(Kenkyū-buntansha) |
OBATA Hajime 東京大学, 大気海洋研究所, 准教授 (90334309)
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| Project Period (FY) |
2008 – 2011
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| Keywords | 海洋科学 / 海洋生態 / 地球化学 / 環境変動 / 炭素循環 |
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| Research Abstract |
Coupling of silicon dynamics and carbon biogeochemical cycles in the euphotic zone was studied in the western subarctic Pacific Ocean and the East China Sea. Productions of particulate organic carbon and biogenic silica by phytoplankton assemblage and their export to the subsurface layers were affected by availabilities of trace elements such as iron and zinc. Characteristic of dominant diatom species was another important factor that controls balance between carbon and silicon fluxes in the euphotic zone.
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[Journal Article] Biogeochemical cycling of N and Si during the mesoscale iron-enrichment experiment in the western subarctic Pacific(SEEDS-II)2009
Author(s)
Saito, H., A. Tsuda, Y. Nojiri, T. Aramaki, H. Ogawa, T. Yoshimura, K. Imai, I. Kudo, J. Nishioka, T. Ono, K. Suzuki, S. Takeda
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Journal Title
Deep-Sea Research-II
Volume: vol.56
Pages: 2852-2862
Peer Reviewed
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