Effect of radiation variabilty due to clouds and aerosol on the carbon exchange and its isotope ratio

2008 Fiscal Year Final Research Report

• Project/Area Number: 18310018
• Research Category: Grant-in-Aid for Scientific Research (B)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Environmental dynamic analysis
• Research Institution: Japan Agency for Marine-Earth Science and Technology
• Principal Investigator: DENNIS Dye Japan Agency for Marine-Earth Science and Technology, 地球環境フロンティア研究センター, グループリーダー (80392968)
• Co-Investigator(Kenkyū-buntansha): KOBAYASHI Hideki 独立行政法人海洋研究開発機構, 地球環境フロンティア研究センター, 研究員 (10392961) ; KATO Tomomichi 独立行政法人海洋研究開発機構, 地球環境フロンティア研究センター, 研究員 (60392958)
• Project Period (FY): 2006 – 2008
• Keywords: 大気現象 / 地球観測 / 地球変動予測 / 環境変動 / 光合成有効放射 / 光合成 / 熱帯林 / 高原草地

Research Abstract

アジア各地で直達・散乱成分別の光合成有効放射の長期観測を実施し,雲やエアロゾルの変動が光合成有効放射の直達・散乱成分比に与える影響を詳細に解析すると共に,散乱成分が大きい条件下で,光合成量が増加するメカニズムを三次元放射伝達モデル+光合成モデルによる解析で詳細に明らかにした。

Research Products

• [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., Tang, Y
  • Journal Title: Global Change Biology doi:10.1111/j.1365-2486.2008.01646.x 14 Pages: 2333-2348
  • Peer Reviewed
• [Journal Article] Characterizing evapotranspiration over a meadow ecosystem on the Qinghai-Tibetan Plateau (2008)
  • Author(s): Gu, S., Tang, Y., Cui, X., Du, M., Zhao, L., Li, Y., Xu, S., Zhou, H., Kato, T., Qi, P., Zhao, X
  • Journal Title: J. Geophys. Res D08118 doi:10.1029/2007JD009173 113 Pages: 0
  • 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: 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- Pages: 47-50
• [Journal Article] Diurnal and seasonal variations of UV radiation on the northern edge of the Qinghai-Tibetan Plateau (2008)
  • Author(s): Cui, X., Gu, S., Zhao, X., Wu, J., Kato T., Tang Y
  • Journal Title: Agricultural and Forest Meteorology 148 Pages: 144-151
  • Peer Reviewed
• [Journal Article] Net primary productivity and spatial distribution of vegetation in an alpine wetland (2007)
  • Author(s): Hirota M., Kawada K., Hu Q., Kato T., Tang Y., Mo W., Cao G. and Mariko S
  • Journal Title: Qinghai-Tibetan Plateau, Limnology 8 Pages: 161-170
  • Peer Reviewed
• [Journal Article] High-resolution mapping of the seasonal changes in leaf area index and above ground biomass in Qinghai-Tibetan Plateau, China (2007)
  • Author(s): Kobayashi, H, and T. Kato
  • Journal Title: Proceeding of the 28th Asian Conference on Remote Sensing CD-ROM T25.1 Pages: 0
• [Journal Article] モンテカルロ法を用いた曇天大気および植生キャノピーの放射伝達のモデル化 (2006)
  • Author(s): 岩淵弘信・小林秀樹
  • Journal Title: Frontier Technical Report 7 Pages: 234
• [Presentation] Induced Variability of Photosynthetically Active Radiation, Tropical Forest PAR Absorption and Photosynthesis in Central Borneo (2008)
  • Author(s): Dye, D
  • Organizer: AGU Spring meeting
  • Place of Presentation: Fort Lauderdale convention center, Florida,USA
  • Year and Date: 2008-05-28
• [Presentation] Cloud effects on Photosynthetically active radiation, tropical forest canopy PAR absorption and photosynthesis in West Kalimantan (2007)
  • Author(s): Dye, D
  • Organizer: Indonesia,AGU Fall Meeting
  • Place of Presentation: San Francisco, USA
  • Year and Date: 2007-12-19
• [Presentation] Monitoring of photosynthetically active radiation in the Asia region (2007)
  • Author(s): Dye, D
  • Organizer: Japan-US Workshop on Plant Plasticity
  • Place of Presentation: Nikko convention center, Nikko, Japan
  • Year and Date: 2007-10-26
• [Presentation] Simulating terrestrial photosynthesis at regional-global scales using mechanistic models and remote sensing data (2007)
  • Author(s): Ito, A
  • Organizer: Japan-US Workshop on Plant Plasticity
  • Place of Presentation: Nikko convention center, Nikko, Japan
  • Year and Date: 2007-10-26
• [Presentation] The response of tropical forest photosynthesis to seasonal variations in light conditions in the Amazon region (2006)
  • Author(s): Dye, D
  • Organizer: International Workshop on Flux Estimation over Diverse Terrestrial Ecosystems in Asia
  • Place of Presentation: Chain Mai Conference Center, Chiang Mai, Thailand
  • Year and Date: 2006-11-29
• [Presentation] Seasonal and interannual variation in light availability (2006)
  • Author(s): Dye, D
  • Organizer: light absorption and photosynthesis in moist tropical forest
  • Place of Presentation: AGU WPGM, Beijing International Conference Center, Beijing, China
  • Year and Date: 2006-08-26
• [Presentation] The 3-D canopy radiative transfer model for understanding the relation among satellite reflectance (2006)
  • Author(s): Kobayashi H
  • Organizer: canopy light environment and canopy photosynthesis, AGU WPGM
  • Place of Presentation: Beijing International Conference Center, Beijing, China
  • Year and Date: 2006-08-26