Sentences with phrase «less summer ice»

For example despite his research showing cycles of heavy spring ice had been most detrimental to seals and bears, Stirling and Derocher's review of polar bear «science» used the very same research to falsely imply that less summer ice was the problem.

bozzza - The differences in the Arctic are perhaps 1/4 the ocean thermal mass as global ocean averages, small overall size (the smallest ocean), being almost surrounded by land (which warms faster), more limited liquid interchanges due to bottlenecking than the Antarctic, and very importantly considerable susceptibility to positive albedo feedbacks; as less summer ice is present given current trends, solar energy absorbed by the Arctic ocean goes up very rapidly.

That aside, less summer ice will mean a lot more heat gain throughout the Arctic, with dorect local implications for the permafrost, the Greenland ice sheet and (worst case) the East Siberian Shelf shallow clathrates.

[Andy Revkin — On Arctic ice trends, I have a post coming shortly on the latest update from the world's leading teams of sea ice experts, showing this year's retreat is unlikely to match last year's, while the long - term trend is still heading toward ever less summer ice.

Polyakov says a positive feedback loop is underway, in which less summer sea ice will lead to warmer winter waters and even less summer ice in subsequent years.

Not exact matches

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Without summer sea ice forming to establish the CHL, he says, the ocean mixes more — and less ice forms.

As the Arctic summers are getting warmer we may see an acceleration of global warming, because reduced sea ice in the Arctic will remove less CO2 from the atmosphere, Danish scientists report.

Less sea ice in summer means the Arctic Ocean warms more.

Over the past few years, the ice on the Arctic Ocean in late summer — covers less area than it did 30 years ago; declined but then recovered to about the same area it had 30 years ago; or covers more area than it did 30 years ago.

If the average temperature in summer were to rise by 4 oC or less, the ice could be melted completely within a few years, says M. I. Budyko, a Russian researcher.

Another positive feedback of global warming is the albedo effect: less white summer ice means more dark open water, which absorbs more heat from the sun.

The recent string of record - low winter maximums could be a sign that the large summer losses are starting to show up more in other seasons, with an increasingly delayed fall freeze - up that leaves less time for sea ice to accumulate in winter, Julienne Stroeve, an NSIDC scientist and University College London professor, previously said.

Aside from changes in how belugas dove for food, the nearly two decades of data show that the whales were able to thrive in their summer and fall ocean habitats, despite less ice cover.

There is now less summer sea ice, and a longer snow and ice - free season — simply put, summer conditions now last longer.

The global mean temperature rise of less than 1 degree C in the past century does not seem like much, but it is associated with a winter temperature rise of 3 to 4 degrees C over most of the Arctic in the past 20 years, unprecedented loss of ice from all the tropical glaciers, a decrease of 15 to 20 % in late summer sea ice extent, rising sealevel, and a host of other measured signs of anomalous and rapid climate change.

The findings suggest that while the response of Antarctic summer sea ice to human - caused climate change may be less dramatic than in the Arctic, sea ice cover may have declined by as much as 14 % over the last 100 years.

The area of summer sea ice remaining during 2007 - 2009 was about 40 % less than the average projection from the 2007 IPCC Fourth Assessment Report.

«What the situation suggests for Greenland ice melt summer 2016 is some thermal erosion of the «cold content» of the snow overlying the ice sheet, meaning less heat needed to «ripen'the snow to the melting point,» Box said.

I'm sure it would be a great snack at hot summer day because it tastes like ice cream but much less calories:)

There have been substantial, sometimes rancorous, debates among polar bear researchers about this predator's prospects in a warming climate with less summer sea ice.

If this year and summer are cooler than last, and that is not a certainty, then this summer's Arctic sea ice melt will be less extensive than last year.

Even as the long - term trend in the Arctic is toward less sea ice in summers, for decades to come — and routinely in other seasons — any nation with interests in the far north will need to be able to navigate in heavy ice.

One possibility is that the deep melt is brought to the surface somehow, in which case the surface waters actually get colder again, leading to much greater summer ice rather than less.

During the so - called Holocene Climate Optimum, from approximately 8000 to 5000 years ago, when the temperatures were somewhat warmer than today, there was significantly less sea ice in the Arctic Ocean, probably less than 50 % of the summer 2007 coverage, which is absolutely lowest on record.

Summer winds this year appear to play a lesser role than last year in driving the ice out of the Pacific sector.

A scenario with this rate of ice reduction suggests that the Arctic Sea will be completely ice - free in summer time in less than two decades.

Beluga has two other ships carrying goods along the northern sea route this summer, and the expectation is that such trade will expand given projections of Arctic summers with ever more open water and less sea ice.

The Independent story headline is a small gamble, there can be massive cloud coverage (occurring as I write) continuing from the usual great snow and ice Arctic summer melt, but I am quite sure the ice extent may be equal or less than last year come September 20.

In an email message earlier this month, Dr. Rigor confirmed that this appeared to be playing out as predicted and projected a couple of summer seasons with less substantial ice retreats:

Following this summer's new record ice loss, the Arctic will enter a winter with even less ice than ever before, leading to even thinner ice, which barring any monumental external events like a major volcanic eruption, will likely perpetuate the trend in sea ice decline.

10) Most recently, Early Holocene, which had significantly less summer sea ice than even 2012.

So if you apply a negative sign to the figure at the bottom of / / seaice.apl.washington.edu/AO/, I would expect colder than normal spring especially in the Eurasian Arctic, less retreat of sea ice this summer, then colder than normal this fall in the Eurasian Arctic....

He repeatedly predicted that the Arctic would be «ice - free» by last summer, by which he meant it would have less than one million sq km of ice.

The estimates also suggests, based on current sea - ice coverage, that it will take another trillion metric tons of carbon dioxide emissions before Arctic summer sea ice more or less vanishes.

The Arctic is a whore and a bitch and anyone that thinks that less summer sea ice is going to open a treasure chest is chasing rainbows.

We see less short term predictions; «Our projection of 2013 for the removal of ice in summer is not accounting for the last two minima, in 2005 and 2007,» the researcher from the Naval Postgraduate School, Monterey, California, explained to the BBC.

These preliminary results showed that, if current melt rates continue, the Arctic could see ice free periods during summer starting in less than 10 years.

In its article entitled, «As Polar Ice Turns to Water, Dreams of Treasure Abound,» the Times reported that a shrinking summer time Arctic ice cap is spurring «nothing less than a great rush for virgin territory and natural resources worth hundreds of billions of dollars.&raqIce Turns to Water, Dreams of Treasure Abound,» the Times reported that a shrinking summer time Arctic ice cap is spurring «nothing less than a great rush for virgin territory and natural resources worth hundreds of billions of dollars.&raqice cap is spurring «nothing less than a great rush for virgin territory and natural resources worth hundreds of billions of dollars.»

At the end of the summer, a record - breaking 86 % of ice cover was less than two years old; ice older than five years has all but disappeared.

These methods have been significantly improved by fully coupling the hydrologic cycle among land, lake, and atmosphere.94, 95 Without accounting for that cycle of interactions, a study96 concluded that increases in precipitation would be negated by increases in winter evaporation from less ice cover and by increases in summer evaporation and evapotranspiration from warmer air temperatures, under a scenario of continued increases in global emissions (SRES A2 scenario).

There were periods when more ice melted during summer, and periods when less melted.

Polar bears like this one are having to spend more time in the Arctic water due to less summer sea ice.

Maximum warming occurs over the surface during winter while less surface warming is found in summer when heat is being used to melt sea ice.

With less sea ice, the refrigerator door is left open - darker open water is exposed, which readily absorbs the Sun's energy in summer, heating the ocean and leading to even more melt.