Sentences with phrase «summer sea ice minimums»

Polar bear numbers, as confirmed by the latest estimates in the 2015 IUCN Red List assessment, are higher now than they have been since the 1960s, despite almost 10 years of summer sea ice minimums below 5.0 mk2.

The five lowest summer sea ice minimums have occurred over the past five years, researchers noted.

The record low maximum doesn't necessarily guarantee a record - low summer sea ice minimum, though, as ice melt depends heavily on Arctic weather patterns through the spring and summer months.

Tagged Christine Graham, climate change, concerns about extinction, Daily Mail, David Rose, decline, global warming, GWPF, ice - free Arctic, IPCC, melting ice cap, observations, polar bears, polar bears thriving, predictions, sea ice loss, summer sea ice minimum

The Sea Ice Outlook provides a forum for researchers to contribute their understanding of the state of arctic sea ice and for the community to jointly assess a range of factors that contribute to arctic summer sea ice minima.

Scientifically, the Sea Ice Outlook provides a focus for researchers to evaluate their understanding of the state of arctic sea ice, and for the community to jointly assess a range of factors that contribute to arctic summer sea ice minima.

Even if the 2008 summer sea ice minimum extent appeared to be slightly above the 2007 all - time record minimum, according to passive radiometers, it does not seem like the ice mass budget is significantly different in 2008 compared with 2007.

The Sea Ice Outlook provides a forum for researchers to evaluate their understanding of the state of arctic sea ice and for the community to jointly assess a range of factors that contribute to arctic summer sea ice minima.

The 2012 Arctic summer sea ice minimum far surpassed 2007 as the lowest on record.

The annual mean Arctic sea ice extent decreased over the period 1979 to 2012 with a rate that was very likely in the range 3.5 to 4.1 % per decade (range of 0.45 to 0.51 million km2 per decade), and very likely in the range 9.4 to 13.6 % per decade (range of 0.73 to 1.07 million km2 per decade) for the summer sea ice minimum (perennial sea ice).

As you can see, the Mail's «definitive authority on the subject» subject says that «for the summer sea ice minimum» Arctic sea ice extent in fact decreased by more like 12 % per DECADE.

There have been similar experiments with sea ice changes (by Clara Deser for instance), and while there is a negative NAO response, this too is a very small signal, and far too small to be detectable in the 5 years or so in which we have had these exceptionally low summer sea ice minimum, and on top of which have to compete with the CO2 - driven trend towards slightly more positive NAO phase.

Via Grist via Tom Raftery More on What You Need To Know About Arctic Ice 2009 Arctic Summer Sea Ice Minimum Third Lowest on Record - «Well Outside» Natural Variability Arctic Ocean Ice - Free in Summer by 2015, New Research Shows - Greenland Ice Sheet Shows Rapid Losses, Too Melting Ice Could Lead to Massive Waves of Climate Refugees How Will Global Warming Change Our Oceans?

Not exact matches

AWI researchers observed a considerable decrease in the thickness of the sea ice as early as the late summer of 2015, even though the overall ice covered area of the September minimum ultimately exceeded the record low of 2012 by approximately one million square kilometres.

The summer minimum Arctic sea ice extent has decreased by 40 percent during the same time period.

As the Arctic sea - ice reaches its summer minimum extent, it is clear that it has yet again shrunk to one of the smallest areas in recent decades, 10 % above the record minimum set last year.

The sea ice fringing Antarctica also set a record low for its annual summer minimum (with the seasons opposite in the Southern Hemisphere), though this was in sharp contrast to the record highs racked up in recent years.

The record - low winter maximum doesn't necessarily herald a record low end - of - summer minimum come September, as summer weather patterns have a large effect on sea ice area.

«Thanks to the relatively cold summer, the sea ice managed to bounce back somewhat, but this year's September minimum is by no means a good sign,» stresses Lars Kaleschke from Universität Hamburg's Center for Earth System Research and Sustainability.

Since at least 1979, Arctic sea ice has generally been on a downward slope, trending 4.5 percent lower per decade overall and 13.7 percent lower per decade during the September summer minimum.

In the Antarctic, where the summer season just wrapped up, rapid ice melt led to the lowest sea ice minimum ever recorded for the area.

Meanwhile, in Antarctica, sea ice has already reached its minimum extent following the summer melt season.

Antarctic sea ice reached its summer minimum at the end of February, clocking in at 2.18 m sq km.

Since that time, winter sea ice extent has dropped 3.2 percent per decade, while the summer minimum has seen an even steeper drop of 13.7 percent per decade.

The data presented here indicate that the area of undersaturation presently extends to approximately 20 % of the Canadian Basin in the late summer months, when sea ice is near its minimum extent.

For the latest forecasts of this summer's Arctic ice retreat, have a look at Sea Ice Outlook 2009, an effort to collate and compare a variety of studies aiming to project the minimum ice extent each summice retreat, have a look at Sea Ice Outlook 2009, an effort to collate and compare a variety of studies aiming to project the minimum ice extent each summIce Outlook 2009, an effort to collate and compare a variety of studies aiming to project the minimum ice extent each summice extent each summer.

-- The Minimum Sea Ice Extent in the arctic was lower in 1990 than in 2006 — ie the arctic ice summer (September) minimum has been more - or-less stable for 16Minimum Sea Ice Extent in the arctic was lower in 1990 than in 2006 — ie the arctic ice summer (September) minimum has been more - or-less stable for 16 yeaIce Extent in the arctic was lower in 1990 than in 2006 — ie the arctic ice summer (September) minimum has been more - or-less stable for 16 yeaice summer (September) minimum has been more - or-less stable for 16minimum has been more - or-less stable for 16 years.

Today, the National Snow and Ice Data Center announced that the annual summer retreat of Arctic Ocean sea ice had reached a new low for the 33 - year satellite era of careful monitoring (1.58 million square miles, or 4.1 million square kilometers), and there is still another week or two of melting before the typical summer ice minimum occuIce Data Center announced that the annual summer retreat of Arctic Ocean sea ice had reached a new low for the 33 - year satellite era of careful monitoring (1.58 million square miles, or 4.1 million square kilometers), and there is still another week or two of melting before the typical summer ice minimum occuice had reached a new low for the 33 - year satellite era of careful monitoring (1.58 million square miles, or 4.1 million square kilometers), and there is still another week or two of melting before the typical summer ice minimum occuice minimum occurs.

Given that this summer's minimum has fallen below last year's and will settle in at the 2nd or 3rd lowest on record, last summer's minimum now appears more as a bump in the road toward continuing lower Arctic sea ice coverage.

The National Snow and Ice Data Center predicts this year's minimum summer sea ice extent won't break the record set in 20Ice Data Center predicts this year's minimum summer sea ice extent won't break the record set in 20ice extent won't break the record set in 2012.

Scientists use the summer minimum as one measure of the extent of Arctic sea ice for that year.

Shorefast ice conditions along the northeastern Chukchi Sea coast (Barrow to Wainwright) reflect the combination of late freeze - up after the 2012 record minimum summer ice extent and persistent westerly flow advecting warm air throughout fall and early winter.

The minimum ice extent was the second lowest in the satellite record, after 2007, and continues the decadal trend of rapidly decreasing summer sea ice.

Even restricted only to the last 10 years, the decline of the Arctic summer minimum sea ice is both visually obvious and statistically undeniable.

The average historic summer minimum (the yellow line in Fig. 1) indicates large portions of the Chukchi Sea's foraging habitat have been covered with summer ice concentrations of 50 % and greater for much of the 20th century.

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After an unusually cool summer in the northernmost latitudes, Arctic sea ice appears to have reached its annual minimum extent on September 13, 2013.

Sea ice extent fell to 3.41 million square kilometers (1.32 million square miles), now the lowest summer minimum extent in the satellite record.

Tagged Alaska Science Center, Beaufort Sea, Chukchi Sea, females with radio collars, Regehr, Rode, satellite radio collars, summer ice minimum, summer sea ice, swimming polar bears, tracking polar bears by satellite, US Fish, us geological survey, USea, Chukchi Sea, females with radio collars, Regehr, Rode, satellite radio collars, summer ice minimum, summer sea ice, swimming polar bears, tracking polar bears by satellite, US Fish, us geological survey, USea, females with radio collars, Regehr, Rode, satellite radio collars, summer ice minimum, summer sea ice, swimming polar bears, tracking polar bears by satellite, US Fish, us geological survey, Usea ice, swimming polar bears, tracking polar bears by satellite, US Fish, us geological survey, USGS

This year's minimum follows a record - breaking summer of low sea ice extents in the Arctic.

«The winter maximum gives you a head start, but the minimum is so much more dependent on what happens in the summer that it seems to wash out anything that happens in the winter,» Walt Meier, a sea ice scientist at NASA's Goddard Space Flight Center, explained in a recent statement.

Tagged Arctic, attacks, biggest threat, Churchill, facts, ice growth, last glacial maximum, minimum, polar bear, polar bear alert, population size, problem bears, Refuge, resilience, sea ice, September, summer, thick spring ice

In other words, Arctic sea ice extent has been lower than it was in 1938 - 43 during the entire satellite record, and the current average summer extent is approximately 4.3 million square kilometers lower than the 1940 minimum.

In the summer of 2012, Arctic sea ice has broken the previous record for minimum extent (set in 2007), fallen below 4 million square kilometers, and, as of September 17, dropped below 3.5 million square kilometers in extent.

And remember, the satellite data are one small part of a vast amount of data that overwhelmingly show our planet is warming up: retreating glaciers, huge amounts of ice melting at both poles, the «death spiral» of arctic ice every year at the summer minimum over time, earlier annual starts of warm weather and later starts of cold weather, warming oceans, rising sea levels, ocean acidification, more extreme weather, changing weather patterns overall, earlier snow melts, and lower snow cover in the spring...

They found that 2017 tied 2012 for the lowest measured Arctic sea ice volume on record, though 2012 remains the year with the lowest summer minimum volume.

Arctic sea ice in 2017 had record - low extents for much of the first five months of the year, though it recovered a bit after that to show only the eight lowest summer minimum on record.

She says that likely why this year's sea - ice minimum is about the same as 2007's, even though that year's summer was much warmer than this year's.

Assuming that the Day of Year axis represents a normal western calender, the areal extent of sea ice seems to fall to a minimum during the Antarctic summer, with a much smaller dip during the Arctic summer.

I think you will find the exact opposite in all 3 sea ice metrics; winter maximum, summer minimum and annual range, at both poles.