The impact of lower sea-ice extent on Arctic greenhouse-gas exchange
Nature Climate Change
By: Frans-Jan W. Parmentier, Torben R. Christensen, Lise Lotte Sørensen, Søren Rysgaard, A. David McGuire, Paul A. Miller, and Donald A. Walker
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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.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | The impact of lower sea-ice extent on Arctic greenhouse-gas exchange |
| Series title | Nature Climate Change |
| DOI | 10.1038/nclimate1784 |
| Volume | 3 |
| Year Published | 2013 |
| Language | English |
| Publisher | Nature Publishing Group |
| Publisher location | New York, NY |
| Contributing office(s) | Alaska Cooperative Fish and Wildlife Research Unit |
| Description | 8 p. |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Nature Climate Change |
| First page | 195 |
| Last page | 202 |
| Other Geospatial | Arctic Ocean |
| Google Analytic Metrics | Metrics page |