A New Theory and Data Product Quantifying Ecosystem Sensitivity to Climate Change
量化生态系统对气候变化敏感性的新理论和数据产品
基本信息
- 批准号:1734487
- 负责人:
- 金额:$ 2.89万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2016
- 资助国家:美国
- 起止时间:2016-10-01 至 2018-04-30
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
It is increasingly likely that predictions of decadal climate change and land use change will yield the accurate information needed to anticipate ecosystem adaptation to human-induced change (e.g. climate variability, land use change). It is therefore essential that we develop new theories, modeling tools, and data products that are capable of predicting ecosystem adaptation to these changes, and that can anticipate how possible nonlinear thresholds will affect ecosystem structure, function, and services. A new theoretical concept is proposed to measure and predictecosystem sensitivity and likely adaptation. This award will provide funds to develop complex-systems theoretical approach based on information flow in observed ecological process networks, using data from NEON and existing observational networks, which will be applied to, (1) predict nonlinear transition thresholds in the multiscalar couplings between local and regional ecosystem processes by observing feedback couplings in observed ecosystem process networks, and (2) directly measure the current sensitivity of regional ecosystems in the USA to incremental changes in specific climate variables. Data from existing observational networks (e.g. FLUXNET, LTER, NEON), and the National Phenology Network (NPN) will be used to predict the sensitivity of local and regional ecosystems across the USA to specific types of forcings. This new theoretical approach is able to directly quantify ecosystem sensitivity to changes in forcings, and how nonlinear feedback patterns can help predict possible ecosystem transition thresholds. Broader Impacts: The proposed work will create and widely disseminate a set of tools and data products that will allow ecologists across the USA to apply process network theory and information theoretic approaches to analyze ecosystem-scale environmental observatory data. This conceptual approach will be a valuable contribution to the "data analysis toolbox" being used by environmental observatories to explain ecological change and its impact on human societies for which these ecosystems represent vital life support. Graduate students and a postdoctoral scholar will be trained in the creation and application of these advanced quantitative methods in ecology and in the synthetic analysis of multi-scalar ecosystem data. The products of the theory-based models will form a critical analytical bridge between raw data collection and the environmental understanding necessary for informed resource management and policy-making in a future driven by historically unprecedented and nonlinear climate change impacts.
对十年期气候变化和土地利用变化的预测越来越有可能产生预测生态系统对人类引起的变化(例如气候变异、土地利用变化)的适应所需的准确信息。因此,我们必须开发新的理论,建模工具和数据产品,能够预测生态系统对这些变化的适应,并可以预测可能的非线性阈值将如何影响生态系统的结构,功能和服务。提出了一种新的理论概念来度量和预测系统的敏感性和可能的适应性。该奖项将提供资金,用于开发基于观测生态过程网络中信息流的复杂系统理论方法,使用来自氖和现有观测网络的数据,该方法将应用于:(1)通过观测观测生态系统过程网络中的反馈耦合来预测本地和区域生态系统过程之间多标量耦合的非线性转换阈值,(2)直接测量美国区域生态系统对特定气候变量增量变化的敏感性。来自现有观测网络(如FLUXNET、LTER、氖)和国家物候网络(NPN)的数据将用于预测美国各地的地方和区域生态系统对特定类型强迫的敏感性。这种新的理论方法能够直接量化生态系统对强迫变化的敏感性,以及非线性反馈模式如何帮助预测可能的生态系统过渡阈值。更广泛的影响:拟议的工作将创建并广泛传播一套工具和数据产品,使美国各地的生态学家能够应用过程网络理论和信息理论方法来分析生态系统规模的环境观测数据。这种概念方法将对环境观测站用来解释生态变化及其对人类社会的影响的“数据分析工具箱”作出宝贵贡献,因为这些生态系统是人类社会的重要生命支持。研究生和博士后学者将在生态学和多标量生态系统数据的综合分析中创建和应用这些先进的定量方法。基于理论的模型的产品将在原始数据收集和环境理解之间形成一个重要的分析桥梁,这是在历史上前所未有的非线性气候变化影响的驱动下进行知情的资源管理和决策所必需的。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Benjamin Ruddell其他文献
Benjamin Ruddell的其他文献
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{{ truncateString('Benjamin Ruddell', 18)}}的其他基金
Collaborative Proposal: MSB-FRA: Scaling Climate, Connectivity and Communities in Streams
合作提案:MSB-FRA:扩展河流中的气候、连通性和社区
- 批准号:
1802895 - 财政年份:2019
- 资助金额:
$ 2.89万 - 项目类别:
Standard Grant
INFEWS/T1: Mesoscale Data Fusion to Map and Model the U.S. Food, Energy, and Water (FEW) System
INFEWS/T1:中尺度数据融合,用于绘制美国食品、能源和水 (FEW) 系统并对其进行建模
- 批准号:
1639529 - 财政年份:2016
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$ 2.89万 - 项目类别:
Standard Grant
A New Theory and Data Product Quantifying Ecosystem Sensitivity to Climate Change
量化生态系统对气候变化敏感性的新理论和数据产品
- 批准号:
1241960 - 财政年份:2013
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$ 2.89万 - 项目类别:
Standard Grant
Type I - LOI#L02170258 - Collaborative Research: Assessing Decadal Climate Change Impacts on Urban Populations in the Southwestern USA
I 型 - LOI
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1049251 - 财政年份:2011
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1043996 - 财政年份:2011
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Collaborative Research: CI-TEAM Demonstration Project: WaterHUB for Cyber Enabled Training, Education and Research in Water Resources
合作研究:CI-TEAM 示范项目:用于水资源网络培训、教育和研究的 WaterHUB
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1041365 - 财政年份:2010
- 资助金额:
$ 2.89万 - 项目类别:
Standard Grant
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