Sentences with phrase «sea ice decline»

The underlying cause of sea ice decline — atmospheric warming caused by high levels of CO2 in the atmosphere — has not changed.

They found that the circulation of air — and its temperature and humidity — could contribute 60 % of the polar sea ice decline since 1979.

This has several implications for predictions of future sea ice decline.

At the very least, the faster - than - expected sea ice decline should be included in the net calculations.

After a very warm winter, and probably a thin ice cover at the start of summer, sea ice declined quickly in early summer.

A graph of September Arctic sea ice extent (blue diamonds) with «recovery» years highlighted in red, versus the long - term sea ice decline fit with a second order polynomial, also in red.

So Arctic sea ice decline doesn't raise sea levels, and it isn't directly linked to melts elsewhere in the world.

In a recent interview posted at ScienceDaily, the lead author Jenouvrier summarized their new extinction study saying, «If sea ice declines at the rates projected by the IPCC climate models, and continues to influence Emperor penguins as it did in the second half of the 20th century in Terre Adélie, at least two - thirds of the colonies are projected to have declined by greater than 50 percent from their current size by 2100.»

Far from «disproving» the models» projections of continued sea ice decline in the 21st century, the data — all the data, not just Solomon's meaningless cherrypicked sample month — indicate that the model projections of the rate of decline may well have been too conservative.

Finally, Post and colleagues take a regional focus, reviewing the ecological consequences of current sea ice decline in the polar regions, the part of the world where the reality of changing climate is perhaps at its most stark.

That is contributing to the quickness in overall sea ice decline.

One study, published in Proceedings of the National Academy of Sciences in January, hinted at such a mechanism when it linked sea ice decline to apparent changes in the Arctic Oscillation during several winters preceded by large sea ice losses.

The initiative was begun following a workshop on Arctic ice trends in March that was triggered by the «drastic and unexpected sea ice decline witnessed in 2007,» according to the report posted online.

Based on recommendations from an international workshop organized under the auspices of the U.S. SEARCH and the European DAMOCLES programs, a community - wide Arctic Sea Ice Outlook for September 2008 has been initiated to advance understanding of the arctic sea ice system, given the drastic and unexpected sea ice decline witnessed in 2007.

A study of Arctic climate finds that cloud cover mostly oscillates between two widely different states, which affects our understanding of and ability to predict sea ice decline.

Mark A.J. Curran, et al., «Ice Core Evidence for Antarctic Sea Ice Decline Since the 1950s,» Science, vol.

Chip — As far as I can tell from Recent NSIDC Data, the models appear to have overestimated rather than underestimated sea ice decline, since recent September value exceed 4 million square kilometers.

The first of these two new studies is the fourth to suggest a link between Arctic warming and associated sea ice decline — and increased chance of American and Eurasian cold spells during the northern hemisphere winter, or at least increased snowfall.

So sea ice decline may result from natural variability in the AO.

The research has shown that manmade global warming is likely responsible for 50 to 60 percent of Arctic sea ice decline during the satellite era.

There seems to be evidence that suggests that a substantial sea ice decline took place in the Arctic in the early - to - mid 20th century in locations other than the Scandinavia / Greenland area.

As the rate of sea ice decline speeds up it is starting to exceed the predictions of climate computer models which had previously suggested that by 2100 the Arctic will be ice free in summer.

The 2010 minimum was part of a larger pattern of overall Arctic sea ice decline dating back to at least the early 1970s.

After a few days of growth, sea ice declined again until September 19.

Thus, more persistent clouds as spring approaches may cause the sea ice to first reach its melting temperature at an earlier date, and more frequent Arctic clouds in a warmer climate might accelerate sea ice decline.

Can the ongoing Arctic sea ice decline weaken the Atlantic meridional overturning circulation (AMOC)?

The bestodian trang function equivalent however, implies that sea ice decline reversal has already begun.

Both groups accept the premise that sea ice declines blamed on global warming are already a survival issue for polar bears (that will become increasingly worse in the future).