NNA Track 1: Collaborative Research: ARC-NAV: Arctic Robust Communities-Navigating Adaptation to Variability
NNA Track 1: Collaborative Research: ARC-NAV: Arctic Robust Communities-Navigating Adaptation to Variability
批准号:
1928126
负责人:
Bruno Tremblay
金额:
$5.14万
依托单位:
依托单位国家:
美国
项目类别:
Standard Grant
财政年份:
2019
资助国家:
美国
项目状态:
已结题
起止时间:
2019-09-15 至 2024-08-31
中文摘要
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英文摘要
Navigating the New Arctic (NNA) is one of NSF's 10 Big Ideas. NNA projects address convergence scientific challenges in the rapidly changing Arctic. The Arctic research is needed to inform the economy, security and resilience of the Nation, the larger region and the globe. NNA empowers new research partnerships from local to international scales, diversifies the next generation of Arctic researchers, and integrates the co-production of knowledge. This award fulfills part of that aim.The Arctic is warming on average twice as rapidly as the rest of the planet, which is leading to significant changes in sea ice to which local communities must respond. Beringia, a region of the Arctic encompassing US and Russian territory, is expected to experience some of the highest variability in sea ice conditions in the coming century. This project focuses on the question: how do we design better and more flexible governance and infrastructure to adapt to changing Arctic conditions? To answer this question, the team is taking a convergence approach to forecast potential changes in the Arctic sea ice environment and the impacts on social and ecological systems resulting from those changes and identify adaptive strategies to enhance resilience to those impacts. The project fully engages local and Indigenous communities and decision makers in the Arctic throughout the research process to generate information and models about critical hot spots of sea ice change relevant to local communities. This will help build local and regional governance capacity and allow the researchers to model and predict the robustness of communities to forecast changes.Coproduction of knowledge between local and Indigenous communities and scientists, and collaborative research across disciplinary and national boundaries, will be used to address four key research questions: 1) How do people understand and perceive changing sea ice, and how do they adapt to variability in ice conditions? 2) Where are the current critical hot spots of variability in sea ice, and where will they be in the future as the environment and communities change? 3) How will governmental and non-governmental organizations in the region navigate changing sea ice conditions and interact with communities to respond to their changing needs? and 4) What features of the existing, and potential, social-ecological systems are robust/fragile to forecast changes in sea ice? This project will document diverse narratives and critical policy challenges around biogeophysical changes and associated livelihood and economic opportunities/costs between and within communities through grounded ethnography and cultural consensus analysis. Satellite data will be used to highlight "hot spots" of sea ice variability and provide a starting point for community and stakeholders' discussions of "change". Interviews with governance actors will identify priorities and responses and generate spatially explicit policy networks. A multi-agent model will link these analyses and be utilized to explore the diversity of issues, projections of change, and fragility or robustness of communities and the infrastructure systems they rely on. Through this research, the project will derive new understandings of community and institutional responses to change, the impacts of spatial and temporal variability within a trend, and robustness-fragility trade-offs that can be applied to other regions as they navigate transitions around the globe in the Anthropocene.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.
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DOI:
10.5194/tc-16-533-2022
发表时间:
2022-02
期刊:
The Cryosphere
影响因子:
--
作者:
[Charles Brunette;L. Tremblay;R. Newton]
通讯作者:
Charles Brunette;L. Tremblay;R. Newton
Disentangling Dynamic from Thermodynamic Summer Ice Area Loss from Observations (1979–2021): A Potential Mechanism for a “First-Time” Ice-Free Arctic
从观测中解开热力学夏季冰面积损失的动态(1979年至2021年):北极“首次”无冰的潜在机制
DOI:
10.1175/jcli-d-22-0628.1
发表时间:
2023
期刊:
Journal of Climate
影响因子:
4.9
作者:
[Le Guern-Lepage, Alice, Tremblay, Bruno L.]
通讯作者:
Tremblay, Bruno L.
Pacific Waters Pathways and Vertical Mixing in the CESM1‐LE: Implication for Mixed Layer Depth Evolution and Sea Ice Mass Balance in the Canada Basin
CESM1-LE 中的太平洋水域路径和垂直混合:对加拿大盆地混合层深度演化和海冰质量平衡的影响
DOI:
10.1029/2021jc017729
发表时间:
2022
期刊:
Journal of Geophysical Research: Oceans
影响因子:
--
作者:
[Lavoie, Juliette, Tremblay, Bruno, Rosenblum, Erica]
通讯作者:
Rosenblum, Erica
Impact of Ocean Heat Transport on Arctic Sea Ice Variability in the GFDL CM2‐O Model Suite
GFDL CM2™O 模型套件中海洋热传输对北极海冰变化的影响
DOI:
10.1029/2021jc017762
发表时间:
2022
期刊:
Journal of Geophysical Research: Oceans
影响因子:
--
作者:
[Decuypère, Marine, Tremblay, L. Bruno, Dufour, Carolina O.]
通讯作者:
Dufour, Carolina O.
Collaborative Research: Assessing the Simulated Arctic Freshwater System in CMIP5 Models, the CESM Large Ensemble, and Forced Simulations
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批准号:1504023
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项目类别:Standard Grant
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资助金额:$6.02万
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财政年份:2015
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负责人:Bruno Tremblay
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依托单位:
The Fate of The Arctic (Perennial) Sea Ice Cover: Decline and Recovery Mechanisms
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批准号:0520496
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项目类别:Standard Grant
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资助金额:$0.0万
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财政年份:2005
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负责人:Bruno Tremblay
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依托单位:
Fresh Water Budget of the Arctic and High Latitude Mode of Atmospheric Variability
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批准号:0230264
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项目类别:Continuing Grant
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资助金额:$23.61万
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财政年份:2003
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负责人:Bruno Tremblay
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依托单位:
The Dynamic Response of Sea Ice and Ice-Ocean Models Using Different Sea-Ice Rheologies
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批准号:9818711
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项目类别:Continuing Grant
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资助金额:$14.81万
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财政年份:1999
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负责人:Bruno Tremblay
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依托单位:
海外基金