永久冻土与气候变化:来自北极变暖的碳循环反馈

IF 15.5 1区环境科学与生态学 Q1 ENVIRONMENTAL SCIENCES

Annual Review of Environment and Resources Pub Date : 2022-10-17 DOI:10.1146/annurev-environ-012220-011847

E. Schuur, Benjamin W. Abbott, R. Commane, J. Ernakovich, E. Euskirchen, G. Hugelius, G. Grosse, Miriam C. Jones, C. Koven, Victor Leshyk, D. Lawrence, M. Loranty, M. Mauritz, D. Olefeldt, S. Natali, H. Rodenhizer, V. Salmon, C. Schädel, J. Strauss, C. Treat, M. Turetsky

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引用次数: 42

摘要

北极环境的快速变化影响了整个地球系统，因为永久冻土的融化将温室气体释放到大气中。了解永久冻土将释放多少碳，在什么时间框架内释放，以及二氧化碳和甲烷的相对排放量将是了解其对全球气候影响的关键。此外，在气候变暖的情况下，植被的响应至少有可能抵消永久冻土碳对气候的部分加速反馈。温度、有机碳和地面冰是决定永久冻土生态系统对全球碳循环影响的关键调节因子。总的来说，这些包括与全球社会以及该地区生活的人们相关的永久冻土服务，并有助于确定该地区对气候变化的景观级响应。

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Permafrost and Climate Change: Carbon Cycle Feedbacks From the Warming Arctic

Rapid Arctic environmental change affects the entire Earth system as thawing permafrost ecosystems release greenhouse gases to the atmosphere. Understanding how much permafrost carbon will be released, over what time frame, and what the relative emissions of carbon dioxide and methane will be is key for understanding the impact on global climate. In addition, the response of vegetation in a warming climate has the potential to offset at least some of the accelerating feedback to the climate from permafrost carbon. Temperature, organic carbon, and ground ice are key regulators for determining the impact of permafrost ecosystems on the global carbon cycle. Together, these encompass services of permafrost relevant to global society as well as to the people living in the region and help to determine the landscape-level response of this region to a changing climate.

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来源期刊

Annual Review of Environment and Resources 环境科学-环境科学

CiteScore

24.10

自引率

1.80%

发文量

审稿时长

>24 weeks

期刊介绍： The Annual Review of Environment and Resources, established in 1976, offers authoritative reviews on key environmental science and engineering topics. It covers various subjects, including ecology, conservation science, water and energy resources, atmosphere, oceans, climate change, agriculture, living resources, and the human dimensions of resource use and global change. The journal's recent transition from gated to open access through Annual Reviews' Subscribe to Open program, with all articles published under a CC BY license, enhances the dissemination of knowledge in the field.