Sentences with phrase «said sea ice scientist»

We're looking at why that is,» said sea ice scientist Nathan Kurtz of NASA's Goddard Space Flight Center.

Not exact matches

As melting sea ice opens up the Arctic to more human activity, the mammals, known as «unicorns of the sea» for their single tusk, may be more exposed to the potentially harmful escape response, scientists say.

In an analysis, the National Snow and Ice Data Center said the sea ice extent as of Sept. 16 was 2 million square miles, an amount just below revised estimates for 2009, the former sixth place finisher, said Julienen Stroeve, a scientist at the centIce Data Center said the sea ice extent as of Sept. 16 was 2 million square miles, an amount just below revised estimates for 2009, the former sixth place finisher, said Julienen Stroeve, a scientist at the centice extent as of Sept. 16 was 2 million square miles, an amount just below revised estimates for 2009, the former sixth place finisher, said Julienen Stroeve, a scientist at the center.

This year's Arctic sea ice cover currently is the sixth - lowest on modern record, a ranking that raises ongoing concerns about the speed of ice melt and the effects of ice loss on global weather patterns, geopolitical fights, indigenous peoples and wildlife, scientists said yesterday.

Fast - melting Arctic sea ice has forced some 35,000 Pacific walruses to retreat to the Alaska shoreline, scientists from several federal agencies said on Wednesday.

Scientists who have been monitoring the 175 - kilometre rift in the Larsen C ice shelf say that it could reach the ocean within weeks or months, releasing an iceberg twice the size of Luxembourg into the Weddell Sea.

But, as scientists including National Oceanic and Atmospheric Administration (NOAA) Administrator Jane Lubchenco said today at a press conference at the American Geophysical Union's fall meeting, record - setting melting happened anyway: record snow melt, record sea ice minimum, melting even at the top of the Greenland ice sheet (in what was once called the «dry snow zone»), and widespread warming of permafrost.

«We found that in years when the sea ice extent departed strongly from the trend, such as in 2012 and 2013, predictions failed regardless of the method used to forecast the September sea ice extent,» said Julienne Stroeve, a senior scientist at NSIDC and professor at University of College London.

«This year is the fourth lowest, and yet we haven't seen any major weather event or persistent weather pattern in the Arctic this summer that helped push the extent lower as often happens,» said Walt Meier, a sea ice scientist with NASA's Goddard Space Flight Center in Greenbelt, Maryland.

«A sort of grand problem in Earth science is to understand the water cycle — evaporation from the ocean, clouds, rain, the formation of ice, the runoff from the land back into the sea,» said Eric Lindstrom, Aquarius program scientist at NASA.

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.

«The sea ice cover this year has reached a new record low,» says Mark Serreze, senior research scientist at the U.S. National Snow and Ice Data Center in Boulder, Colo. «It's not just that we beat the old record, we annihilated it.&raqice cover this year has reached a new record low,» says Mark Serreze, senior research scientist at the U.S. National Snow and Ice Data Center in Boulder, Colo. «It's not just that we beat the old record, we annihilated it.&raqIce Data Center in Boulder, Colo. «It's not just that we beat the old record, we annihilated it.»

Scientists have decades of data documenting the bears, and Lentfer says that the bears» weights have been dropping over the past 25 years, indicating that they're having trouble hunting seals on sea ice.

Not only are ice sheets in Greenland and Antarctica breaking up faster than scientists expected, but more of their melt water is flowing into oceans, he said, which will raise sea levels by 3.3 feet (1 meter) by 2100.

The consequences of global sea level rise could be even scarier than the worst - case scenarios predicted by the dominant climate models, which don't fully account for the fast breakup of ice sheets and glaciers, NASA scientists said today (Aug. 26) at a press briefing.

Studies have shown that sea ice may be critical to their survival, but scientists are not exactly sure why, Bernard said.

But polar scientists say there is still much to learn about what drives the behavior of Antarctic sea ice, which is quite different than its Arctic cousin.

The Nature article comes as climate scientists published what they said today was the «best ever» collection of evidence for global warming, including temperature over land, at sea and in the higher atmosphere, along with records of humidity, sea - level rise, and melting ice.

The rise in global sea levels has accelerated since the 1990s amid rising temperatures, with a thaw of Greenland's ice sheet pouring ever more water into the oceans, scientists said this week.

NEWS: Pumping sea water onto the continent to form ice to slow sea - level rise is flawed say scientists — and could make it worse

Writing in Nature Climate Change, two scientists from the Potsdam Institute for Climate Impact Research (PIK) say the melting of quite a small volume of ice on the East Antarctic shore could ultimately trigger a discharge of ice into the ocean which would result in unstoppable sea - level rise for thousands of years ahead.

Scientists say sea ice in the Arctic shrank to an all - time low of 1.32 million square miles on Sept. 16, smashing old records for the critical climate indicator.

«Environmental scientists have been saying for some time that the global economy is being slowly undermined by environmental trends of human origin, including shrinking forests, expanding deserts, falling water tables, eroding soils, collapsing fisheries, rising temperatures, melting ice, rising seas, and increasingly destructive storms,» 6.

Joe Romm has piece on arctic sea ice loss and the headline says scientists are freaking out.

For is it not true that the IPCC is comprised of a wide range of scientist and they all must agree on the content of their reports, that some of said scientists are either on the payroll of oil - dependent nations or are politically conservative, and that the IPCC predictions have consistently underestimated the effects of climate change in terms of temperature rise, sea level rise, ice cap diminution, etc..?

Even with the increasing summer retreats of sea ice, which climate scientists say are being driven in large part by global warming caused by humans....

OCEANS RISING FAST, NEW STUDIES FIND Melting ice could raise levels up to 3 feet by 2100, scientists say David Perlman, Chronicle Science Editor Friday, March 24, 2006 Glaciers and ice sheets on opposite ends of the Earth are melting faster than previously thought and could cause sea levels around the world to rise as much as three feet by the end of this century and 13 to 20 feet in coming centuries, scientists are reporting today.

But as a starting point, I'll propose now — and I'll change this if they disagree — the names of some leading scientists in this field who would NOT say there is sufficient evidence to conclude that human - caused global warming IS the main cause of increasing summer retreats of sea ice (although they would say there is strong likelihood that it will eventually dominate):

Even with the increasing summer retreats of sea ice, which polar scientists say probably are being driven in large part by global warming caused by humans....

While shippers have for centuries dreamed of sending cargo over the top of the world --- a huge shortcut compared to other long - distance sea routes — Pablo Clemente - Colón, the chief scientist at the National Ice Center, said the open water in the passages over Russia, particularly, remains clotted with thick dangerous floes and also can close up in a matter of hours.

Even with the increasing summer retreats of sea ice, which climate scientists say are being driven by global warming caused by humans....

In 1985, 45 % of the sea ice in the Arctic was thick, older ice, said NOAA Arctic scientist Emily Osborne.

Unfortunately, the tough scientific work to clarify ice and sea trends and dynamics has largely been obscured online by coverage focused on an error on Greenland ice loss that many polar scientists say made it into the new edition of the Times Comprehensive Atlas of the World (that's the British Times, just to be clear).

In an e-mail message Wednesday, Sean R. Helfrich, a scientist at the ice center, said that ponds of meltwater pooling on sea ice could fool certain satellite - borne instruments into interpreting ice as open water, «suggesting areas that have substantial ice cover as being sea - ice free.»

The goal, the scientists say, is to compare independent methods of gauging ice trends from factors including sea temperature, ice thickness and cycles of atmospheric pressure and winds around the Arctic.

The fate of sea ice in the Arctic Ocean is determined by a complicated mix of factors, including the pressure changes, with the biggest loss of old thick ice resulting more from a great «flush» of floes than melting, Dr. Rigor and many other scientists tracking the region say.

Bob Tisdale says: January 10, 2011 at 3:05 pm Manfred says: «Just recently a «scientist» at the German hyper alarmist PIK «found out» that the (temporary) loss of sea ice in the arctic leads to increased ocean heat loss to the atmosphere resulting in more snow elsewhere.

«Sea ice really is their platform for life,» says Kristin Laidre, principal scientist at the University of Washington's Polar Science Centre (PSC).

«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.

Some scientists and groups pushing for aggressive cuts in the gases said the panel was much too conservative in some projections, particularly in assessing how much melting of ice sheets might raise sea levels in the next 100 years.

The Arctic's sea ice pack thawed to its third - lowest summer level on record, up slightly from the seasonal melt of the past two years but continuing an overall decline symptomatic of climate change, U.S. scientists said on Thursday.

But Lindzen insists that scientists can not say precisely what the future holds, because they're just beginning to analyze some of the more complicated responses to climate change, such as how quickly ice sheets melt and to what extent this will raise sea levels.

Some scientists say natural variability may still be masking the effects of melting sea ice.

Science: The argument that ice is expanding on Antarctica omit the fact that there's a difference between land ice and sea ice, climate scientists say.

That increase in ice translates to about a quarter of a millimeter per year less sea level rise than was previously predicted, says lead author Jay Zwally, chief cryospheric scientist at NASA's Goddard Space Flight Center in Maryland.

Here's a prediction from 2007 where a climate scientist predicts that Arctic sea ice may disappear by 2013, saying that since his modelling didn't include the last couple of record lows in its training data,» you can argue that may be our projection of 2013 is already too conservative.»

Scientists who predicted a few years ago that Arctic summers could be ice - free by 2013 now say summer sea ice will probably be gone in this decade.

OSLO / WASHINGTON Winter sea ice on the Arctic Ocean covered the second smallest area on record this year, part of a thaw that is opening the region to shipping and oil exploration and may be disrupting weather far to the south, scientists said on Friday.

«Even though Antarctic sea ice reached a new record maximum this past September, global sea ice is still decreasing,» said Claire Parkinson, author of the study and climate scientist at NASA's Goddard Space Flight Center in Greenbelt, Md. «That's because the decreases in Arctic sea ice far exceed the increases in Antarctic sea ice.»

However, scientists have cautioned that while Arctic sea ice coverage expanded this year, one year is not enough to say the global warming has stopped.