UKESM 1 Year Extension

UKESM 1 年延期

基本信息

  • 批准号:
    NE/V01322X/1
  • 负责人:
  • 金额:
    $ 71.32万
  • 依托单位:
  • 依托单位国家:
    英国
  • 项目类别:
    Research Grant
  • 财政年份:
    2021
  • 资助国家:
    英国
  • 起止时间:
    2021 至 无数据
  • 项目状态:
    已结题

项目摘要

Global climate change is one of the leading environmental threats facing mankind. To develop appropriate mitigation and adaptation strategies requires accurate projections of the future state of the Earth's climate. To address this, we develop and use Global Climate Models (GCMs) that describe the main physical processes in the coupled climate system. These models are integrated forwards in simulated time, from a pre-industrial period to present-day, forced by observed estimates of key greenhouse gases, aerosols and land-use. The models are then continued into the future forced by a range of greenhouse gas, aerosol and land-use scenarios. Each of the model future climates can then compared to the simulated present-day climates. This analysis results in an ensemble of climate change estimates that can be used to assess the socio-economic and ecological impacts of the simulated changes and aid in the development of mitigation and adaptation policies. GCMs have been further developed into Earth system models (ESMs), as we successfully did in the UKESM LTSM, where UKESM1 was developed from the coupled physical model, HadGEM3-GC3.1. A key difference between ESMs and GCMs is the former include an interactive description of the global carbon cycle supporting the analysis of both physical climate change and potential changes in the efficacy by which anthropogenic emitted CO2 is taken up by natural carbon reservoirs. A reduction in the uptake efficiency of Earth's natural carbon reservoirs may result in a larger fraction of emitted carbon dioxide remaining in the atmosphere to warm the planet. Accurate estimates of the future evolution of both the global climate system and the carbon cycle are therefore crucial for getting a clear picture of the future risks humanity faces, as well as for developing mitigation actions (that typically target the efficacy of carbon uptake) to keep global warming below dangerous levels. To address this need, we developed the 1st UK Earth system model (UKESM1) and ran it for a large suite of experiments in the 6th Coupled Model Intercomparison Project (CMIP6). UKESM1 is the most advanced Earth system model in the world today and as well as a coupled physical climate model, includes interactive treatment of (i) the global carbon cycle and dynamic vegetation, (ii) atmospheric chemistry and aerosols and (iii) models for the Greenland and Antarctic ice sheets. We have run a large (19 member) ensemble of historical simulations with UKESM1 (1850 to 2015) and extended a number of these into the future (2015 to 2100) following 7 different future emission pathways from CMIP6 scenarioMIP. In this extension, we propose a detailed analysis of the UKESM1 historical ensemble and the suite of scenarioMIP projections. Our aims are (i) to better understand what drives observed historical Earth system change and evaluate how well UKESM1 represents these changes, (ii) with the knowledge from (i), analyze simulated Earth system change in the UKESM1 scenarioMIP ensemble, combining this with the CMIP6 multi-model ensemble, to document the range of simulated changes across the coupled Earth system over the coming century. Two primary emphases in this analysis will be; (a) to document and contrast regional changes at different levels of global mean warming (e.g. 2C or 3C) and (b) where possible, to constrain the various coupled feedbacks simulated by UKESM1 that drive the magnitude of future change. In addition, we will continue to provide support to the large UKESM user and model development community and will hold two consultation workshops with (i) UK climate policymakers and (ii) UK climate impacts researchers. In these workshops we will present our findings on predicted future Earth system change and begin a two-way dialogue on how UK Earth system modeling can best support the needs of these two groups, developing future collaborations based on mutual understanding of each group's needs and goals.
全球气候变化是人类面临的主要环境威胁之一。要制定适当的缓解和适应战略,需要准确预测地球气候的未来状况。为了解决这一问题,我们开发并使用了全球气候模型(GCM),该模型描述了耦合气候系统中的主要物理过程。这些模型是在模拟时间内向前整合的,从前工业化时期到现在,受到对关键温室气体、气溶胶和土地利用的观测估计的影响。然后,由于一系列温室气体、气溶胶和土地利用情景的强迫,这些模型将被延续到未来。然后,每个未来气候模型都可以与模拟的现在气候进行比较。这一分析产生了一套气候变化估计,可用于评估模拟变化的社会经济和生态影响,并有助于制定缓解和适应政策。GCM已进一步发展为地球系统模型(ESM),正如我们在UKESM LTSM中成功地所做的那样,其中UKESM1是从耦合物理模型HadGEM3-GC3.1发展而来的。可持续发展模式和全球碳模式之间的一个关键区别是前者包括对全球碳循环的交互描述,支持对自然气候变化和自然碳库吸收人为排放的二氧化碳的功效的潜在变化的分析。地球天然碳库吸收效率的降低可能会导致排放的二氧化碳中有更大比例留在大气中,以使地球变暖。因此,对全球气候系统和碳循环未来演变的准确估计,对于清楚地了解人类面临的未来风险,以及制定缓解行动(通常以碳吸收的效力为目标),以将全球变暖控制在危险水平以下,至关重要。为了满足这一需求,我们开发了第一个英国地球系统模型(UKESM1),并在第六次耦合模式比对项目(CMIP6)中运行了一系列大型实验。UKESM1是当今世界上最先进的地球系统模式,也是一个耦合的物理气候模式,包括:(1)全球碳循环和动态植被;(2)大气化学和气溶胶;(3)格陵兰和南极冰盖模式。我们使用UKESM1(1850年至2015年)运行了大量(19个成员)历史模拟,并将其中一些模拟扩展到未来(2015年至2100年),遵循CMIP6场景MIP的7种不同未来排放路径。在这一扩展中,我们提出了对UKESM1历史集合和ScenarioMIP预测套件的详细分析。我们的目标是(I)更好地了解是什么驱动了观测到的历史地球系统变化,并评估UKESM1如何很好地代表这些变化,(Ii)利用(I)分析UKESM1场景中的模拟地球系统变化的知识,将其与CMIP6多模式集合相结合,以记录下一个世纪耦合地球系统的模拟变化范围。这项分析的两个主要重点将是:(A)记录和对比全球平均变暖不同水平(如2摄氏度或3摄氏度)的区域变化;(B)尽可能限制UKESM1模拟的各种耦合反馈,这些反馈推动未来变化的幅度。此外,我们将继续为UKESM的大型用户和模型开发社区提供支持,并将与(I)英国气候政策制定者和(Ii)英国气候影响研究人员举办两次咨询研讨会。在这些研讨会中,我们将介绍我们对预测未来地球系统变化的发现,并就英国地球系统建模如何最好地支持这两个群体的需求展开双向对话,在相互理解每个群体的需求和目标的基础上发展未来的合作。

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)
Representation of the phosphorus cycle in the Joint UK Land Environment Simulator (vn5.5_JULES-CNP)
英国联合陆地环境模拟器 (vn5.5_JULES-CNP) 中磷循环的表示
Tropical methane emissions explain large fraction of recent changes in global atmospheric methane growth rate.
  • DOI:
    10.1038/s41467-022-28989-z
  • 发表时间:
    2022-03-16
  • 期刊:
  • 影响因子:
    16.6
  • 作者:
    Feng L;Palmer PI;Zhu S;Parker RJ;Liu Y
  • 通讯作者:
    Liu Y
Comparative multifractal analysis of methane gas concentration time series in India and regions within India
Description and Evaluation of an Emission-Driven and Fully Coupled Methane Cycle in UKESM1
UKESM1 中排放驱动且完全耦合的甲烷循环的描述和评估
MODIS Vegetation Continuous Fields tree cover needs calibrating in tropical savannas
  • DOI:
    10.5194/bg-19-1377-2022
  • 发表时间:
    2022-03
  • 期刊:
  • 影响因子:
    4.9
  • 作者:
    Rahayu Adzhar;D. Kelley;N. Dong;Charles T. George;Mireia Torello Raventos;E. Veenendaal;T. Feldpausch;O. Phillips;S. Lewis;B. Sonké;H. Taedoumg;Beatriz Schwantes Marimon;T. Domingues;L. Arroyo;G. Djagbletey;G. Saiz;F. Gerard
  • 通讯作者:
    Rahayu Adzhar;D. Kelley;N. Dong;Charles T. George;Mireia Torello Raventos;E. Veenendaal;T. Feldpausch;O. Phillips;S. Lewis;B. Sonké;H. Taedoumg;Beatriz Schwantes Marimon;T. Domingues;L. Arroyo;G. Djagbletey;G. Saiz;F. Gerard
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Colin Jones其他文献

Spatial economy and the geography of functional economic areas
空间经济与经济功能区地理
Electrokinetic Strengthening and Repair of Slopes
Issues and Concepts
问题和概念
  • DOI:
  • 发表时间:
    2010
  • 期刊:
  • 影响因子:
    0
  • 作者:
    M. Jenks;Colin Jones
  • 通讯作者:
    Colin Jones
e-Extinction: an illusion of knowledge, the presence of ignorance, or evolutionary fate?
电子灭绝:知识的幻觉、无知的存在,还是进化的命运?
Location of economic activity
经济活动地点
  • DOI:
    10.1201/9781003027515-3
  • 发表时间:
    2021
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Colin Jones
  • 通讯作者:
    Colin Jones

Colin Jones的其他文献

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{{ truncateString('Colin Jones', 18)}}的其他基金

TerraFIRMA: Future Impacts Risks and Mitigation Actions
TerraFIRMA:未来影响风险和缓解措施
  • 批准号:
    NE/W004895/1
  • 财政年份:
    2022
  • 资助金额:
    $ 71.32万
  • 项目类别:
    Research Grant
The Duchesse d'Elbeuf's Letters to a Friend, 1788-94
埃尔伯夫公爵夫人给朋友的信,1788-94 年
  • 批准号:
    AH/R013292/1
  • 财政年份:
    2019
  • 资助金额:
    $ 71.32万
  • 项目类别:
    Research Grant
The UK Earth system modelling project.
英国地球系统建模项目。
  • 批准号:
    NE/N017978/1
  • 财政年份:
    2016
  • 资助金额:
    $ 71.32万
  • 项目类别:
    Research Grant
COUP: Constraining uncertainties in the permafrost-climate feedback
COUP:限制永久冻土气候反馈的不确定性
  • 批准号:
    NE/M01990X/1
  • 财政年份:
    2015
  • 资助金额:
    $ 71.32万
  • 项目类别:
    Research Grant
Collaborative Doctoral 2010 Grant - Representations of Paris in French Revolutionary Political Culture, with particular reference to prints
2010 年合作博士补助金 - 巴黎在法国革命政治文化中的表现,特别是版画
  • 批准号:
    AH/I505822/1
  • 财政年份:
    2010
  • 资助金额:
    $ 71.32万
  • 项目类别:
    Training Grant
The Saint-Aubins' 'Book of Arses': The Livre de Caricatures tant bonnes que mauvaises
圣奥宾兄弟的《阿瑟斯之书》:The Livre de Caricatures tant bonnes que mauvaises
  • 批准号:
    119397/1
  • 财政年份:
    2007
  • 资助金额:
    $ 71.32万
  • 项目类别:
    Research Grant
The Saint-Aubins' 'Book of Arses': The Livre de Caricatures tant bonnes que mauvaises
圣奥宾兄弟的《阿瑟斯之书》:The Livre de Caricatures tant bonnes que mauvaises
  • 批准号:
    119397/2
  • 财政年份:
    2007
  • 资助金额:
    $ 71.32万
  • 项目类别:
    Research Grant

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  • 批准号:
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