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Journal of Oceanography

, Volume 55, Issue 6, pp 645–653 | Cite as

Overview of NOPACCS (Northwest Pacific Carbon Cycle Study)

  • Hiroyuki Tsubota
  • Joji Ishizaka
  • Akira Nishimura
  • Yutaka W. Watanabe
Article

Abstract

The Northwest Pacific Carbon Cycle Study (NOPACCS) was a program aimed at investigating the carbon cycle of the North Pacific Ocean, which can be thought of as a large reservoir of carbon dioxide. NOPACCS was also aimed at estimating the North Pacific's capacity as a carbon sink. Project design, scientific results, and data availability, and subsequent projects resulting from this project are also described in this review. Studies of the upper ocean processes focused on the latitudinal differences in the fugacity of carbon dioxide; and on the detail of plankton community structures. Intermediate water was studied in relation to the formation of North Pacific Intermediate Water and the amount of accumulated anthropogenic carbon. The sedimentation process, past carbon cycle and coral reefs were also studied during the project. A preliminary, overall view of the carbon cycle of the North Pacific was drawn from the results of the project and compared to global values.

North Pacific carbon cycle biological pump intermediate water anthropogenic carbon 

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Copyright information

© The Oceanographic Society of Japan 1999

Authors and Affiliations

  • Hiroyuki Tsubota
    • 1
    • 2
    • 3
  • Joji Ishizaka
    • 4
    • 5
  • Akira Nishimura
    • 6
  • Yutaka W. Watanabe
    • 2
  1. 1.Hiroshima UniversityJapan
  2. 2.Institute of Environmental SciencesShin-Nippon Meteorological and Oceanographical Consultant Co., Ltd.ShizuokaJapan
  3. 3.Kansai Environmental Engineering Center, Co., Ltd.OsakaJapan
  4. 4.National Institute for Resources and EnvironmentIbarakiJapan
  5. 5.Faculty of FisheriesNagasaki UniversityNagasakiJapan
  6. 6.Geological Survey of JapanIbarakiJapan

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