Detecting and classifying bifurcations in the climate system
气候系统分叉的检测和分类
基本信息
- 批准号:NE/F005474/1
- 负责人:
- 金额:$ 35.15万
- 依托单位:
- 依托单位国家:英国
- 项目类别:Research Grant
- 财政年份:2008
- 资助国家:英国
- 起止时间:2008 至 无数据
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
We propose to develop a general method for studying bifurcations and transitions of the Earth system, with particular focus on global climate change. As the states of the climate system can be described by analytic potential, we propose a study in which the potential would be estimated from an observed record of a climate variable. Knowing the potential and recently observed trends in the climate system (in temperature, sea level, etc.), we plan to perform computer simulations and evaluate the changes the climate potentials undergo. We will apply the bifurcation theory to study the evolution of the potential and possible bifurcations of its extremals. This will allow to make projections of time series which will be compared with projections provided by IPCC AR4. Once the method finally developed, it will be tested on artificial data with simulated dynamics, and then applied on available paleo-, historical and real-time observed data.
我们建议开发一种研究地球系统分叉和转变的通用方法,特别关注全球气候变化。由于气候系统的状态可以通过分析潜力来描述,因此我们提出了一项研究,根据气候变量的观测记录来估计潜力。了解了气候系统(温度、海平面等)的潜力和最近观察到的趋势,我们计划进行计算机模拟并评估气候潜力所经历的变化。我们将应用分岔理论来研究其极值的势和可能分岔的演化。这将允许对时间序列进行预测,并将其与 IPCC AR4 提供的预测进行比较。一旦该方法最终开发出来,它将在具有模拟动力学的人工数据上进行测试,然后应用于可用的古、历史和实时观测数据。
项目成果
期刊论文数量(10)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Early warning signals of simulated Amazon rainforest dieback
- DOI:10.1007/s12080-013-0191-7
- 发表时间:2013-08-01
- 期刊:
- 影响因子:1.6
- 作者:Boulton, Chris A.;Good, Peter;Lenton, Timothy M.
- 通讯作者:Lenton, Timothy M.
Climate bifurcation during the last deglaciation?
末次冰消期的气候分岔?
- DOI:10.5194/cp-8-1127-2012
- 发表时间:2012
- 期刊:
- 影响因子:4.3
- 作者:Lenton T
- 通讯作者:Lenton T
Methods for detecting early warnings of critical transitions in time series illustrated using simulated ecological data.
- DOI:10.1371/journal.pone.0041010
- 发表时间:2012
- 期刊:
- 影响因子:3.7
- 作者:Dakos V;Carpenter SR;Brock WA;Ellison AM;Guttal V;Ives AR;Kéfi S;Livina V;Seekell DA;van Nes EH;Scheffer M
- 通讯作者:Scheffer M
Early warning signals of ecological transitions: methods for spatial patterns.
- DOI:10.1371/journal.pone.0092097
- 发表时间:2014
- 期刊:
- 影响因子:3.7
- 作者:Kéfi S;Guttal V;Brock WA;Carpenter SR;Ellison AM;Livina VN;Seekell DA;Scheffer M;van Nes EH;Dakos V
- 通讯作者:Dakos V
Beyond 2°C: redefining dangerous climate change for physical systems
- DOI:10.1002/wcc.107
- 发表时间:2011-05
- 期刊:
- 影响因子:0
- 作者:T. Lenton
- 通讯作者:T. Lenton
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Timothy Lenton其他文献
Timothy Lenton的其他文献
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{{ truncateString('Timothy Lenton', 18)}}的其他基金
Perturbation of the Earth System at the Proterozoic-Phanerozoic transition and the resilience of the biosphere
元古代-显生宙过渡时期地球系统的扰动和生物圈的恢复力
- 批准号:
NE/P013651/1 - 财政年份:2017
- 资助金额:
$ 35.15万 - 项目类别:
Research Grant
Feasibility of Afforestation and Biomass energy with carbon capture storage for Greenhouse Gas Removal (FAB GGR)
造林和生物质能源与碳捕获储存用于温室气体去除的可行性(FAB GGR)
- 批准号:
NE/P019773/1 - 财政年份:2017
- 资助金额:
$ 35.15万 - 项目类别:
Research Grant
Identifying potential tipping points in the benefits derived from the UK's land ecosystems
确定英国土地生态系统效益的潜在临界点
- 批准号:
NE/P007880/1 - 财政年份:2016
- 资助金额:
$ 35.15万 - 项目类别:
Research Grant
Ocean circulation, nutrient cycling and atmospheric carbon dioxide
海洋环流、养分循环和大气二氧化碳
- 批准号:
NE/G018332/2 - 财政年份:2011
- 资助金额:
$ 35.15万 - 项目类别:
Research Grant
Re-inventing the planet: the Neoproterozoic revolution in oxygenation, biogeochemistry and biological complexity
重新发明地球:氧合、生物地球化学和生物复杂性的新元古代革命
- 批准号:
NE/I005978/1 - 财政年份:2011
- 资助金额:
$ 35.15万 - 项目类别:
Research Grant
Detecting and classifying bifurcations in the climate system
气候系统分叉的检测和分类
- 批准号:
NE/F005474/2 - 财政年份:2011
- 资助金额:
$ 35.15万 - 项目类别:
Research Grant
Re-inventing the planet: the Neoproterozoic revolution in oxygenation, biogeochemistry and biological complexity
重新发明地球:氧合、生物地球化学和生物复杂性的新元古代革命
- 批准号:
NE/I005978/2 - 财政年份:2011
- 资助金额:
$ 35.15万 - 项目类别:
Research Grant
Ocean circulation, nutrient cycling and atmospheric carbon dioxide
海洋环流、养分循环和大气二氧化碳
- 批准号:
NE/G018332/1 - 财政年份:2010
- 资助金额:
$ 35.15万 - 项目类别:
Research Grant
Feedbacks QUEST: Quantifying biogeochemical feedbacks on climate change
反馈任务:量化气候变化的生物地球化学反馈
- 批准号:
NE/F001657/1 - 财政年份:2007
- 资助金额:
$ 35.15万 - 项目类别:
Research Grant
Quaternary QUEST: Regulation of atmospheric carbon dioxide on glacial-interglacial timescales and its coupling to climate change
第四纪探索:大气二氧化碳对冰期-间冰期时间尺度的调节及其与气候变化的耦合
- 批准号:
NE/D001676/1 - 财政年份:2007
- 资助金额:
$ 35.15万 - 项目类别:
Research Grant
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