Title |
The Arctic-Subarctic sea ice system is entering a seasonal regime: Implications for future Arctic amplification
|
---|---|
Published in |
Scientific Reports, July 2017
|
DOI | 10.1038/s41598-017-04573-0 |
Pubmed ID | |
Authors |
Thomas W. N. Haine, Torge Martin |
Abstract |
The loss of Arctic sea ice is a conspicuous example of climate change. Climate models project ice-free conditions during summer this century under realistic emission scenarios, reflecting the increase in seasonality in ice cover. To quantify the increased seasonality in the Arctic-Subarctic sea ice system, we define a non-dimensional seasonality number for sea ice extent, area, and volume from satellite data and realistic coupled climate models. We show that the Arctic-Subarctic, i.e. the northern hemisphere, sea ice now exhibits similar levels of seasonality to the Antarctic, which is in a seasonal regime without significant change since satellite observations began in 1979. Realistic climate models suggest that this transition to the seasonal regime is being accompanied by a maximum in Arctic amplification, which is the faster warming of Arctic latitudes compared to the global mean, in the 2010s. The strong link points to a peak in sea-ice-related feedbacks that occurs long before the Arctic becomes ice-free in summer. |
X Demographics
Geographical breakdown
Country | Count | As % |
---|---|---|
Australia | 1 | 14% |
Germany | 1 | 14% |
Finland | 1 | 14% |
United States | 1 | 14% |
Unknown | 3 | 43% |
Demographic breakdown
Type | Count | As % |
---|---|---|
Members of the public | 6 | 86% |
Scientists | 1 | 14% |
Mendeley readers
Geographical breakdown
Country | Count | As % |
---|---|---|
Unknown | 91 | 100% |
Demographic breakdown
Readers by professional status | Count | As % |
---|---|---|
Student > Ph. D. Student | 15 | 16% |
Researcher | 15 | 16% |
Student > Bachelor | 13 | 14% |
Student > Master | 7 | 8% |
Student > Doctoral Student | 5 | 5% |
Other | 12 | 13% |
Unknown | 24 | 26% |
Readers by discipline | Count | As % |
---|---|---|
Earth and Planetary Sciences | 35 | 38% |
Environmental Science | 14 | 15% |
Engineering | 5 | 5% |
Agricultural and Biological Sciences | 3 | 3% |
Mathematics | 2 | 2% |
Other | 7 | 8% |
Unknown | 25 | 27% |