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Geophysical Research Letters, 2020 AbstractWe examine CMIP6 simulations of Arctic sea‐ice area and volume. We find that CMIP6 models produce a wide spread of mean Arctic sea‐ice area, capturing the observational estimate within the multimodel ensemble spread. The CMIP6 multimodel ensemble mean provides a more realistic estimate of the sensitivity of September Arctic sea‐ice area to a ...
Dirk Notz
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Annual Review of Marine Science, 2009
The Arctic sea ice cover is in decline. The areal extent of the ice cover has been decreasing for the past few decades at an accelerating rate. Evidence also points to a decrease in sea ice thickness and a reduction in the amount of thicker perennial sea ice. A general global warming trend has made the ice cover more vulnerable to natural fluctuations
Don Perovich, Jacqueline A Richter-Menge
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The Arctic sea ice cover is in decline. The areal extent of the ice cover has been decreasing for the past few decades at an accelerating rate. Evidence also points to a decrease in sea ice thickness and a reduction in the amount of thicker perennial sea ice. A general global warming trend has made the ice cover more vulnerable to natural fluctuations
Don Perovich, Jacqueline A Richter-Menge
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Annual Review of Earth and Planetary Sciences, 2012
Arctic sea ice is a key indicator of the state of global climate because of both its sensitivity to warming and its role in amplifying climate change. Accelerated melting of the perennial sea ice cover has occurred since the late 1990s, which is important to the pan-Arctic region, through effects on atmospheric and oceanic circulations, the Greenland ...
Andrew Roberts +2 more
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Arctic sea ice is a key indicator of the state of global climate because of both its sensitivity to warming and its role in amplifying climate change. Accelerated melting of the perennial sea ice cover has occurred since the late 1990s, which is important to the pan-Arctic region, through effects on atmospheric and oceanic circulations, the Greenland ...
Andrew Roberts +2 more
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Arctic Ocean-Sea Ice Interactions
Proceedings of the Practice and Experience on Advanced Research Computing, 2018This animation visualizes simulation results from research at The University of Texas at Austin, Institute for Computational and Engineering Sciences. Shown is the daily average temperature field of warm sub-surface water of subtropical origin carried with the Norwegian Atlantic boundary current into the Arctic Ocean, northwestward along the West ...
Greg Foss +3 more
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Perspectives on the Arctic's Shrinking Sea-Ice Cover
Science, 2007Linear trends in arctic sea-ice extent over the period 1979 to 2006 are negative in every month. This ice loss is best viewed as a combination of strong natural variability in the coupled ice-ocean-atmosphere system and a growing radiative forcing associated with rising concentrations of atmospheric greenhouse gases, the latter supported by evidence of
Mark C, Serreze +2 more
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An Ice Free Arctic Sea? The Science of Sea Ice and Its Interests
2013The 2007 sea-ice minimum was quickly framed as a unique event and a very clear signal that the Arctic was a bellwether for global climate change. It became an event of the future it heralded rather than of the past or recent changes that had created it.
Julia Lajus, Sverker Sörlin
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The thinning of Arctic sea ice
Physics Today, 2011The surplus heat needed to explain the loss of Arctic sea ice during the past few decades is on the order of 1 W/m2. Observing, attributing, and predicting such a small amount of energy remain daunting problems.
Ronald Kwok, Norbert Untersteiner
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2017
Sea ice not only shapes the global climate but is also an important background for a complicated ecosystem that is closely related to the littoral benthic ecosystem. This similarity is the reason why this formation is usually referred to as an “inverted bottom.” In the deep central part of the Arctic Basin (which is 47% of its overall surface area), it
Z. T. Smoła +4 more
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Sea ice not only shapes the global climate but is also an important background for a complicated ecosystem that is closely related to the littoral benthic ecosystem. This similarity is the reason why this formation is usually referred to as an “inverted bottom.” In the deep central part of the Arctic Basin (which is 47% of its overall surface area), it
Z. T. Smoła +4 more
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History of sea ice in the Arctic
Quaternary Science Reviews, 2010Abstract Arctic sea-ice extent and volume are declining rapidly. Several studies project that the Arctic Ocean may become seasonally ice-free by the year 2040 or even earlier. Putting this into perspective requires information on the history of Arctic sea-ice conditions through the geologic past. This information can be provided by proxy records from
Polyak, Leonid +17 more
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