Collaborative Research: RCN: Vulnerability of Permafrost Carbon
合作研究:RCN:永久冻土碳的脆弱性
基本信息
- 批准号:0955341
- 负责人:
- 金额:$ 1.45万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Continuing Grant
- 财政年份:2010
- 资助国家:美国
- 起止时间:2010-06-01 至 2014-05-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Humans are altering the global cycling of carbon (C) on Earth. The addition of billions of tons of greenhouse gases to the atmosphere is changing its heat-trapping capacity, which in turn is changing the Earth's climate. Large amounts of carbon are stored within the soils of terrestrial ecosystems. Recently, attention has been drawn to the thawing of permafrost (permanently frozen ground) as a mechanism that could move significant quantities of stored C from land to atmosphere in response to a changing climate. Because of the size and nature of the permafrost C pool, decomposition of previously frozen, old organic carbon is one of the most likely positive feedbacks from terrestrial ecosystems to climate change in a warmer world. While ground temperature increases in permafrost regions are well documented with data from permafrost borehole networks, as well as from surface temperature observations, there is a knowledge gap surrounding the response of permafrost carbon to climate change. This Vulnerability of Permafrost Carbon research coordination network (RCN) project will bring together biological and physical carbon cycle researchers. Through a series of meetings, working groups will be established that will address key questions about carbon cycling and vulnerability in permafrost regions and synthesize data and literature. An interactive website will be developed for non-scientists and the media that will synthesize the state of knowledge about permafrost. This RCN will strengthen the interconnection between biological and physical scientists, between early and later career-stage scientists, and will produce new knowledge through synthesis that can be used to quantify the role of permafrost carbon in affecting climate change in the 21st century and beyond.
人类正在改变地球上碳(C)的全球循环。 数十亿吨的温室气体进入大气层,改变了大气层的吸热能力,进而改变了地球的气候。 大量的碳储存在陆地生态系统的土壤中。最近,人们注意到永久冻土(永久冻土)的融化,作为一种机制,可以将大量储存的C从陆地转移到大气中,以应对气候变化。 由于永久冻土碳库的大小和性质,以前冻结的旧有机碳的分解是陆地生态系统对温暖世界中气候变化的最有可能的正反馈之一。 虽然多年冻土区地面温度的上升有多年冻土钻孔网络的数据以及地表温度观测的数据,但围绕多年冻土碳对气候变化的反应存在知识空白。 这个永久冻土碳研究协调网络(RCN)项目的脆弱性将汇集生物和物理碳循环研究人员。 通过一系列会议,将成立工作组,解决有关永久冻土区碳循环和脆弱性的关键问题,并综合数据和文献。 将为非科学家和媒体开发一个互动网站,综合介绍有关永久冻土的知识状况。 该RCN将加强生物和物理科学家之间的相互联系,早期和后期职业生涯阶段的科学家之间的相互联系,并将通过综合产生新的知识,可用于量化永久冻土碳在影响21世纪及以后气候变化中的作用。
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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A. David McGuire其他文献
Evidence and Implications of Recent Climate Change in Northern Alaska and Other Arctic Regions
- DOI:
10.1007/s10584-005-5352-2 - 发表时间:
2005-10-01 - 期刊:
- 影响因子:4.800
- 作者:
Larry D. Hinzman;Neil D. Bettez;W. Robert Bolton;F. Stuart Chapin;Mark B. Dyurgerov;Chris L. Fastie;Brad Griffith;Robert D. Hollister;Allen Hope;Henry P. Huntington;Anne M. Jensen;Gensuo J. Jia;Torre Jorgenson;Douglas L. Kane;David R. Klein;Gary Kofinas;Amanda H. Lynch;Andrea H. Lloyd;A. David McGuire;Frederick E. Nelson;Walter C. Oechel;Thomas E. Osterkamp;Charles H. Racine;Vladimir E. Romanovsky;Robert S. Stone;Douglas A. Stow;Matthew Sturm;Craig E. Tweedie;George L. Vourlitis;Marilyn D. Walker;Donald A. Walker;Patrick J. Webber;Jeffrey M. Welker;Kevin S. Winker;Kenji Yoshikawa - 通讯作者:
Kenji Yoshikawa
Permafrost carbon emissions in a changing Arctic
北极变化中的多年冻土碳排放
- DOI:
10.1038/s43017-021-00230-3 - 发表时间:
2022-01-11 - 期刊:
- 影响因子:71.500
- 作者:
Kimberley R. Miner;Merritt R. Turetsky;Edward Malina;Annett Bartsch;Johanna Tamminen;A. David McGuire;Andreas Fix;Colm Sweeney;Clayton D. Elder;Charles E. Miller - 通讯作者:
Charles E. Miller
Alternative ways of using field‐based estimates to calibrate ecosystem models and their implications for carbon cycle studies
使用实地估计来校准生态系统模型的替代方法及其对碳循环研究的影响
- DOI:
- 发表时间:
2013 - 期刊:
- 影响因子:0
- 作者:
Yujie He;Q. Zhuang;A. David McGuire;Yaling Liu;Min Chen - 通讯作者:
Min Chen
The impact of lower sea-ice extent on Arctic greenhouse-gas exchange
海冰范围缩小对北极温室气体交换的影响
- DOI:
10.1038/nclimate1784 - 发表时间:
2013-02-17 - 期刊:
- 影响因子:27.100
- 作者:
Frans-Jan W. Parmentier;Torben R. Christensen;Lise Lotte Sørensen;Søren Rysgaard;A. David McGuire;Paul A. Miller;Donald A. Walker - 通讯作者:
Donald A. Walker
A. David McGuire的其他文献
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{{ truncateString('A. David McGuire', 18)}}的其他基金
Collaborative Research: Soil Climate and its Control on Wetland Carbon Balance in Interior Boreal Alaska: Experimental Manipulation of Thermal and Moisture Regimes
合作研究:阿拉斯加内陆北方土壤气候及其对湿地碳平衡的控制:热和湿度状况的实验控制
- 批准号:
0724514 - 财政年份:2007
- 资助金额:
$ 1.45万 - 项目类别:
Continuing Grant
Collaborative Research: Synthesis of Arctic System Carbon Cycle Research Through Model-Data Fusion Studies Using Atmospheric Inversion and Process-Based Approaches
合作研究:利用大气反演和基于过程的方法,通过模型数据融合研究综合北极系统碳循环研究
- 批准号:
0531047 - 财政年份:2005
- 资助金额:
$ 1.45万 - 项目类别:
Standard Grant
Soil Climate and its Control on wetland Carbon Balance in Interior Boreal Alaska: Experimental Manipulation of Thermal and Moisture Regimes
阿拉斯加内陆北方土壤气候及其对湿地碳平衡的控制:热和湿度状况的实验控制
- 批准号:
0425328 - 财政年份:2004
- 资助金额:
$ 1.45万 - 项目类别:
Standard Grant
Collaborative Research. Modeling the Role of High Latitude Terrestrial Ecosystems in the Arctic System: A Retrospective Analysis of Alaska as a Regional System.
合作研究。
- 批准号:
0095024 - 财政年份:2001
- 资助金额:
$ 1.45万 - 项目类别:
Standard Grant
The Role of High Latitude Ecosystems in the Global Carbon Cycle
高纬度生态系统在全球碳循环中的作用
- 批准号:
9614253 - 财政年份:1996
- 资助金额:
$ 1.45万 - 项目类别:
Standard Grant
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