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Modeling continental scale carbon dynamics of Asian forests: Improvements to vegetation dynamics and

Modeling continental scale carbon dynamics of Asian forests: Improvements to vegetation dynamics and
  • 导航:首页 > 科学基金
  • 批准号:31150110145
  • 批准年度: 2011年
  • 学科分类:森林生态系统与全球变化(C030801) |
  • 项目负责人:Benjamin Poulter
  • 负责人职称:不详
  • 依托单位:北京大学
  • 资助金额:10万元
  • 项目类别:国际(地区)合作与交流项目
  • 研究期限:2011年07月01日 至 2011年12月31日
  • 中文关键词: continental;Improvements;vegetation;representation;disturbance
  • 英文关键词:;;;

项目摘要

中文摘要

Terrestrial ecosystems on the Asian continent have been accumulating carbon during the past century in response to longer growing seasons and CO2 fertilization. The processes controlling the long-term dynamics of carbon sequestration must be fully understood to enable spatial temporal projections under various climate and land cover change scenarios. Here, we propose to work with dynamic global vegetation models to evaluate the sensitivity of vegetation dynamics to changes in climate and disturbance (via fire) and propagated effects to the carbon cycle. We will evaluate and modify model structure and parameters by combining field plot and remote sensing data on greenness and burned area trends. Reducing the uncertainty of carbon cycle processes depends on a more thorough investigation and realistic representation of vegetation dynamics and disturbance. We expect to publish two manuscripts from this research and present the findings at an international conference (American Geophysical Union).

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