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Re-evaluation of coastal CO2 exchange rate using newly developed method of near water surface trublulence

Research Project

Project/Area Number 25820259
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Civil and environmental engineering
Research InstitutionPort and Airport Research Institute

Principal Investigator

Tokoro Tatsuki  国立研究開発法人港湾空港技術研究所, その他部局等, 研究官 (70543859)

Project Period (FY) 2013-04-01 – 2016-03-31
Project Status Completed (Fiscal Year 2015)
Budget Amount *help
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2014: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Fiscal Year 2013: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
KeywordsCO2 / 沿岸域 / 大気―水圏間フラックス
Outline of Final Research Achievements

Coastal areas have recently been focused as an important carbon stock which is isolated from atmosphere for long period. However, the CO2 flux in such areas could not be quantified sufficiently due to the temporal and spatial large variation. In this study, we aimed to develop the measurement system of the CO2 transfer velocity using the aqueous turbulence near the water surface. By the procedure deduced from our water-tank experiment, the system could measure the CO2 transfer velocity with satisfactory accuracy under low-wave condition in the open field. This study also suggested that the measurement system would be applicable to the high-wave condition with the future improvement.

Report

(4 results)
  • 2015 Annual Research Report   Final Research Report ( PDF )
  • 2014 Research-status Report
  • 2013 Research-status Report
  • Research Products

    (1 results)

All 2015

All Presentation (1 results)

  • [Presentation] フロートを使用した水面のガス交換係数の測定手法2015

    • Author(s)
      所 立樹
    • Organizer
      海洋理工学会
    • Place of Presentation
      京都大学 楽友会館
    • Year and Date
      2015-10-29
    • Related Report
      2015 Annual Research Report

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Published: 2014-07-25   Modified: 2019-07-29  

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