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The impact of lower sea-ice extent on Arctic greenhouse-gas exchange

Parmentier, Frans-Jan LU ; Christensen, Torben LU ; Sorensen, Lise Lotte ; Rysgaard, Soren ; McGuire, A. David ; Miller, Paul LU orcid and Walker, Donald A. (2013) In Nature Climate Change 3(3). p.195-202
Abstract
In September 2012, Arctic sea-ice extent plummeted to a new record low: two times lower than the 1979-2000 average. Often, record lows in sea-ice cover are hailed as an example of climate change impacts in the Arctic. Less apparent, however, are the implications of reduced sea-ice cover in the Arctic Ocean for marine-atmosphere CO2 exchange. Sea-ice decline has been connected to increasing air temperatures at high latitudes. Temperature is a key controlling factor in the terrestrial exchange of CO2 and methane, and therefore the greenhouse-gas balance of the Arctic. Despite the large potential for feedbacks, many studies do not connect the diminishing sea-ice extent with changes in the interaction of the marine and terrestrial Arctic with... (More)
In September 2012, Arctic sea-ice extent plummeted to a new record low: two times lower than the 1979-2000 average. Often, record lows in sea-ice cover are hailed as an example of climate change impacts in the Arctic. Less apparent, however, are the implications of reduced sea-ice cover in the Arctic Ocean for marine-atmosphere CO2 exchange. Sea-ice decline has been connected to increasing air temperatures at high latitudes. Temperature is a key controlling factor in the terrestrial exchange of CO2 and methane, and therefore the greenhouse-gas balance of the Arctic. Despite the large potential for feedbacks, many studies do not connect the diminishing sea-ice extent with changes in the interaction of the marine and terrestrial Arctic with the atmosphere. In this Review, we assess how current understanding of the Arctic Ocean and high-latitude ecosystems can be used to predict the impact of a lower sea-ice cover on Arctic greenhouse-gas exchange. (Less)
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author
; ; ; ; ; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Nature Climate Change
volume
3
issue
3
pages
195 - 202
publisher
Nature Publishing Group
external identifiers
  • wos:000319399000009
  • scopus:84874641057
ISSN
1758-6798
DOI
10.1038/NCLIMATE1784
language
English
LU publication?
yes
id
5512a057-5457-4e6e-ba95-15334ef65ae5 (old id 3932293)
date added to LUP
2016-04-01 11:03:15
date last changed
2025-10-14 10:46:11
@article{5512a057-5457-4e6e-ba95-15334ef65ae5,
  abstract     = {{In September 2012, Arctic sea-ice extent plummeted to a new record low: two times lower than the 1979-2000 average. Often, record lows in sea-ice cover are hailed as an example of climate change impacts in the Arctic. Less apparent, however, are the implications of reduced sea-ice cover in the Arctic Ocean for marine-atmosphere CO2 exchange. Sea-ice decline has been connected to increasing air temperatures at high latitudes. Temperature is a key controlling factor in the terrestrial exchange of CO2 and methane, and therefore the greenhouse-gas balance of the Arctic. Despite the large potential for feedbacks, many studies do not connect the diminishing sea-ice extent with changes in the interaction of the marine and terrestrial Arctic with the atmosphere. In this Review, we assess how current understanding of the Arctic Ocean and high-latitude ecosystems can be used to predict the impact of a lower sea-ice cover on Arctic greenhouse-gas exchange.}},
  author       = {{Parmentier, Frans-Jan and Christensen, Torben and Sorensen, Lise Lotte and Rysgaard, Soren and McGuire, A. David and Miller, Paul and Walker, Donald A.}},
  issn         = {{1758-6798}},
  language     = {{eng}},
  number       = {{3}},
  pages        = {{195--202}},
  publisher    = {{Nature Publishing Group}},
  series       = {{Nature Climate Change}},
  title        = {{The impact of lower sea-ice extent on Arctic greenhouse-gas exchange}},
  url          = {{http://dx.doi.org/10.1038/NCLIMATE1784}},
  doi          = {{10.1038/NCLIMATE1784}},
  volume       = {{3}},
  year         = {{2013}},
}