Sentences with phrase «of sea ice experts»

[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.

Not exact matches

Taking the perma out of permafrost Arctic sea ice continues to shrink, with experts predicting an ice - free Arctic by as early as 2020.

«The base driver of sea ice melt ultimately is anthropogenic greenhouse gases,» Walt Meier, an Arctic expert at NASA, said.

Dr. Barber and his team of experts were able to use the state - of - the - art equipment onboard the Amundsen to confirm that a significant proportion of the sea ice present originated from the high Arctic.

«Based on the UN climate panel's report on sea level rise, supplemented with an expert elicitation about the melting of the ice sheets, for example, how fast the ice on Greenland and Antarctica will melt while considering the regional changes in the gravitational field and land uplift, we have calculated how much the sea will rise in Northern Europe,» explains Aslak Grinsted.

«The Arctic is clearly experiencing the impacts of a prolonged and intensified warming trend,» said the report's co-editor, Jackie Richter - Menge, a sea ice expert at the Army Corps of Engineers» Cold Regions Research and Engineering Laboratory in Hanover, N.H.

«The primary uncertainty in sea level rise is what are the ice sheets going to do over the coming century,» said Mathieu Morlighem, an expert in ice sheet modeling at the University of California, Irvine, who led the paper along with dozens of other contributors from institutions around the world.

The articles contained in this collection remind us of an epoch when experts debated whether the North Pole was surrounded by an inland sea that could be sailed; a thick, smooth ice sheet that could be easily traversed by a sleigh; or — as proved to be the case, to the dismay of explorers and the fascination of scientists — devastatingly unstable stretches of open water within fields of shifting sea ice.

In the past 15 years, the oceans have warmed, the amount of snow and ice has diminished and sea levels have risen, explains Lisa Goddard, an expert in climate variability at Columbia University.

By Kenneth Richard Geophysicist and tectonics expert Dr. Aftab Khan has unearthed a massive fault in the current understanding of (1) rapid sea level rise and its fundamental relation to (2) global - scale warming / polar ice melt.

Just last year, for example, the UK had its second - coldest March since records began, prompting the Met Office to call a rapid response meeting of experts to get to grips with whether melting Arctic sea - ice could be affecting British weather.

But experts see the «dangerous» question — how fast and far will seas rise — being more a function of non-linear puzzles like the herky - jerky acceleration from this process or from the uncorking that occurs when coastal blockades of ice give way.

Leading ice experts in Europe and the United States for the first time have agreed that a ring of navigable waters has opened all around the fringes of the cap of sea ice drifting on the warming Arctic Ocean.

[UPDATE, 7/17: Here are the latest sea - ice forecasts of a variety of Arctic experts.]

Here's an interesting thought for the ice experts, maybe Andy could pick this up, since he's done a very decent job of following up on my question: I've read suggestions that increased sea emissivity from the Arctic waters would gain relative to the loss of albedo from increasingly ice - free seas.

Professor Peter Wadhams, member of AMEG, expert on Arctic sea ice and a reviewer for the IPCC AR5 report, says that the PIOMAS data is based on actual thickness measurements.

I've freshly canvassed more than a dozen sea - ice experts to get their latest views on whether the remarkable Arctic ice retreat of last summer will be matched this year.

In online science discussions, the fate of this years summer sea ice has been the focus of a significant betting pool, a test of expert prediction skills, and a week - by - week (almost) running commentary.

Polar experts are starting to place their bets on the fate of the thin veneer of sea ice on the Arctic Ocean, and quite a few are forecasting even more open water this summer than last.

In an experimental cross-check, more than a dozen teams of polar ice experts tried issuing experimental forecasts of the sea ice as conditions evolved through the spring and summer.

Here is what he wrote: «As global levels of sea ice declined last year, many experts said this was evidence of man - made global warming.»

(Note that Mr. Will questioned my use of that «many experts» shorthand, but used it himself; down below I'll later list some of the many experts I've consulted on sea ice over the last decade.)

Arctic Ocean Ice The latest summary of experts» projections for this summer's retreat of sea ice on the Arctic Ocean is out, and — partly because of different weather patterns than last year — the consensus for the moment is that the remarkable ice loss in 2007 will not be matched this yeIce The latest summary of experts» projections for this summer's retreat of sea ice on the Arctic Ocean is out, and — partly because of different weather patterns than last year — the consensus for the moment is that the remarkable ice loss in 2007 will not be matched this yeice on the Arctic Ocean is out, and — partly because of different weather patterns than last year — the consensus for the moment is that the remarkable ice loss in 2007 will not be matched this yeice loss in 2007 will not be matched this year.

I sent the note to an array of sea - ice experts, and many, including Mark Serreze at the National Snow and Ice Data Center, concurrice experts, and many, including Mark Serreze at the National Snow and Ice Data Center, concurrIce Data Center, concurred.

The same sea - ice experts foreseeing a new record retreat of the Arctic Ocean coverage this summer have explanations for the flow between Greenland and Iceland, too.]

Seasoned experts on Antarctic ice say there is plenty of reason for concern, given that warming waters could continue freeing up the ice sheets for centuries to come, leading to relentlessly rising seas.

In late August, a Reuters story began with «a thaw of Antarctic ice is outpacing predictions by the U.N. climate panel and could in the worst case drive up world sea levels by 2 meters (6 feet) by 2100, a leading expert said.»

Science Daily: Arctic Nearly Free of Summer Sea Ice During First Half of 21st Century, Experts Predict.

Models created by experts said such a dramatic loss of sea ice would cause a sharp drop in the polar bear population and threaten their very survival.

I was very fortunate to be able to attend this meeting, and talking to the experts there was critical to understanding the behaviour of air temperatures over sea ice - this led to section 5 in the paper and our more recent update.

«The Aqua satellite will tell us about water in all of its forms,» said Dr. Claire Parkinson, a sea ice expert and Aqua project scientist at the Goddard Space Flight Center in Greenbelt, Md., which is in charge of the program.

An expert judgement assessment of future sea level rise from the ice sheets.

Experts with the National Snow and Ice Data Center say formation of sea ice around the Arctic Ocean probably petered out about two weeks aIce Data Center say formation of sea ice around the Arctic Ocean probably petered out about two weeks aice around the Arctic Ocean probably petered out about two weeks ago.

An international team of experts supported by NASA and the European Space Agency (ESA) has combined data from multiple satellites and aircraft to produce the most comprehensive and accurate assessment to date of ice sheet losses in Greenland and Antarctica and their contributions to sea level rise.

My first encounter with sea ice and Antarctica's jagged coastline came last August, when I joined a group of experts on a U.S. National Science Foundation research vessel for a monthlong voyage to the Antarctic Peninsula.

The central value of his estimate falls in the remaining four years of this decade, and are widely considered by sea ice experts to be utterly implausible.

Too many people (climate scientists (non sea ice experts), a few sea ice experts, and alarmed AGW advocates and many in the media hype the arctic sea ice spiral of death (google turns up 409K mentions).

Already the expedition is around 4 to 6 weeks behind schedule having been held up in the Laptev Sea by the kind of ice which experts like Cambridge University's Peter Wadhams — of whom more in a moment — assure us will soon disappear permanently from the Arctic in summer.

---- I come to CE specifically because of Judith's expert opinions and if sea ice and Arctic dynamics were linear her «50 % or less» estimate might be about right.

So when Dr. C mentions «about half» with a fairly large margin of error, it would appear her «expert» opinion on Arctic Sea Ice is worth consideration.

``... when Dr. C mentions «about half» with a fairly large margin of error, it would appear her «expert» opinion on Arctic Sea Ice is worth consideration.»

«In previous summers, some of the [multi-year ice] migrated over to the Alaska and Siberia areas where it melted,» Dr. Don Perovich, a sea - ice expert at Dartmouth College, told BBC News.

I come to CE specifically because of Judith's expert opinions and if sea ice and Arctic dynamics were linear her «50 % or less» estimate might be about right.

The First SEARCH Knowledge Exchange Workshop gathered 33 invited experts to discuss impacts of sea - ice loss on:

The approach to the Sea Ice Outlook is a modified Delphi Method (i.e., using questionnaire responses from a panel of indendent experts) that: (1) samples independent expert opinion and rationale on an issue, (2) communicates the results, and (3) iterates on the process with feedback from the expert participants.

Note the thick ice in the CAA — what USGS experts call the «Archipelago» sea ice ecoregion (denoted by white in the map), indicating ice about 1 metre thick (2 - 3 feet)-- expected to remain at the height of summer in 2030.

The Scotsman of August 29, under the title «Arctic sea ice will vanish within three years, says expert», reports:

Screen, an expert on how the melting sea ice affects the path of weather systems around the Northern Hemisphere, said that the regional distribution of ice decline is important.

As the video warns, experts with NASA and various other professional institutions have already determined that the water trapped as Greenland's ice could effectively raise the height of the world's seas by a whopping 23 feet (7m)- that is, if it ALL melted into the ocean.

Most experts, and the International Union of Conservation of Nature and the U.S. Fish and Wildlife Service, believe that polar bears are threatened because the Arctic sea ice from which the bears hunt is disappearing due to global warming.