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Development of data assimilation method for terrestrial ecosystem carbon cycle model in eastern Asian region

Research Project

Project/Area Number 19710023
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Environmental dynamic analysis
Research InstitutionJapan Agency for Marine-Earth Science and Technology

Principal Investigator

KATO Tomomichi  Japan Agency for Marine-Earth Science and Technology, 地球環境フロンティア研究センター, 研究員 (60392958)

Project Period (FY) 2007 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥3,510,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥210,000)
Fiscal Year 2008: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2007: ¥2,600,000 (Direct Cost: ¥2,600,000)
Keywords生態系CO_2交換 / 総一次生産 / 生態系呼吸 / 地球環境変化 / 生態系C02交換 / 生態系CO2交換
Research Abstract

東アジアの炭素循環を陸域生態系モデルによってより現実に近く再現するため、パラメータ調整の際に観測データを取り込むデータ同化手法を利用し、実際に1979-2003年の陸域炭素循環を推定した。得られた炭素フラックスは、妥当な分布を示し、さらに、CO_2上昇による施肥効果を考慮した場合、しなかった場合よりも、誤差が小さく、データ同化によって、東アジア地域で、モデルの推定精度が向上する可能性が示唆された。

Report

(3 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • Research Products

    (10 results)

All 2008 2007

All Journal Article (4 results) (of which Peer Reviewed: 2 results) Presentation (6 results)

  • [Journal Article] Spatial variability and major controlling factors of CO2 sink strength in Asian terrestrial ecosystems : evidence from eddy covariance data2008

    • Author(s)
      Kato, T., Tang, Y.
    • Journal Title

      Global Change Biology 14, 10

      Pages: 2333-2348

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] 東アジアの年間炭素収支のレビュー「長期生態系モニタリングモニタリングの現状と課題 -温暖化影響と生態系影響- 」2008

    • Author(s)
      加藤知道
    • Journal Title

      CGERレポート CGER-M019-2008

      Pages: 47-50

    • Related Report
      2008 Final Research Report
  • [Journal Article] Spatial variability and major controlling factors of CO2 sink strength in Asian terrestrial ecosystems: evidence from eddy covariance data.2008

    • Author(s)
      Kato, T.
    • Journal Title

      Global Change Biology 14(10)

      Pages: 2333-2348

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 東アジアの年間炭素収支のレビュー2007

    • Author(s)
      加藤 知道
    • Journal Title

      「長期生態系モニタリングモニタリングの現状と課題一温暖化影響と生態系影響一」, CGERレポート CGER-M019-2008

      Pages: 47-50

    • Related Report
      2007 Annual Research Report
  • [Presentation] Multi-temporal variability in global carbon dynamics during the 20th century simulated by a coupled climate-terrestrial carbon cycle model2007

    • Author(s)
      Kato, T.
    • Organizer
      Second OGED seminar
    • Place of Presentation
      Tsukuba, Japan
    • Year and Date
      2007-12-12
    • Related Report
      2008 Final Research Report
  • [Presentation] Inter-site comparison, up-scaling and integration efforts to quantify the distribution and strength of carbon sink/source, and their spatial and temporal variability and uncertainty2007

    • Author(s)
      Kato, T.
    • Organizer
      International Seminar of A3 Foresight Program "CarboEastAsia Meeting 2007"
    • Place of Presentation
      Beijing, China
    • Year and Date
      2007-11-30
    • Related Report
      2008 Final Research Report
  • [Presentation] 東アジアの年間炭素収支のレビュー2007

    • Author(s)
      加藤知道
    • Organizer
      国立環境研究所地球環境研究センター主催シンポジウム「長期生態系モニタリングモニタリングの現状と課題-温暖化影響と生態系影響」
    • Place of Presentation
      つくば市
    • Year and Date
      2007-11-01
    • Related Report
      2008 Final Research Report
  • [Presentation] 東アジアの年間炭素収支のレビュー2007

    • Author(s)
      加藤知道
    • Organizer
      農業環境工学関連7学会2007年度合同大会
    • Place of Presentation
      府中市
    • Year and Date
      2007-09-12
    • Related Report
      2008 Final Research Report
  • [Presentation] 東アジアの年間炭素収支のレビュー2007

    • Author(s)
      加藤 知道
    • Organizer
      農業環境工学関連7学会2007年度合同大会
    • Place of Presentation
      東京農工大学府中キャンパス
    • Year and Date
      2007-09-12
    • Related Report
      2007 Annual Research Report
  • [Presentation] The temporal variability in global carbon dynamics during the 20th century simulated by a coupled climate-terrestrial carbon cycle model2007

    • Author(s)
      Kato, T
    • Organizer
      Second International Conference on Earth System Model
    • Place of Presentation
      Hamburg, Germany
    • Year and Date
      2007-08-30
    • Related Report
      2008 Final Research Report

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Published: 2007-04-01   Modified: 2016-04-21  

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