Sentences with phrase «ice declined by»

Arctic sea ice declined by roughly 10 percent in the past decade, culminating in a record 2007 minimum ice cover of 1.59 million square miles.

Plenty of climate skeptics in recent days have been «dealing» with the arctic ice decline by claiming satellite measurements are unreliable.

Not exact matches

Ice cream prices have risen by more than a quarter over the past five years and sales volumes have declined, but most Europeans still consider ice cream an affordable treat, according to new research from MintIce cream prices have risen by more than a quarter over the past five years and sales volumes have declined, but most Europeans still consider ice cream an affordable treat, according to new research from Mintice cream an affordable treat, according to new research from Mintel.

The program will give priority to emerging women's sports, such as ice hockey and synchronized swimming, and sports that have declined in the past few years (wrestling, gymnastics and swimming were mentioned by the USOC).

The decline of sea ice spurs the process, by allowing open water to absorb carbon dioxide.

«As krill stock started to decline dramatically with the lack of sea ice in the late 1980s, so did the survival of these young,» said Trivelpiece, whose work will be published online this week by the Proceedings of the National Academy of Sciences.

Curiously, the decline in atmospheric oxygen over the past 800,000 years was not accompanied by any significant increase in the average amount of carbon dioxide in the atmosphere, though carbon dioxide concentrations do vary over individual ice age cycles.

«This shift is characterized by the persistent decline in the thickness and summer extent of sea - ice cover and by a warmer, l

Climate sceptics point to increased sightings by indigenous Canadian communities, though that could be due to declines in sea ice driving the animals ashore.

An earlier study based on maps of the Antarctic ice produced by American weather satellites, by Joe Jacka and colleagues at the Australian Antarctic Division in Hobart, Tasmania, showed a similar decline in Antarctic sea ice.

The apparent decline is greatest around the ice sheet's edges, but it also is occurring in the high elevation interior known as the dry snow zone, where the reflectivity is effectively reset each winter by new snowfall.

He pointed to computer models he and his colleagues studied that project a 30 percent decline in sea ice by 2050.

«The Arctic is facing a decline in sea ice that might equal the negative record of 2012: Data collected by the CryoSat - 2 satellite reveal large amounts of thin ice that are unlikely to survive the summer.»

U.S. District Court Judge Claudia Wilken in Oakland, Calif., on April 29 ordered the Bush administration to stop dragging its feet on the fate of polar bears and decide by May 15 whether declining sea ice in the Arctic threatens their existence.

When the analysis was confined to the area covered by ice, an equivalent decline in albedo was found during June - August.

The trends revealed by the data were clear: The average albedo in the northern area of the Arctic Ocean, including open water and sea ice, is declining in all summer months (May - August).

Shennan tested whether changes in climate hit the farmers hard by comparing the patterns of population growth and decline with regional fluctuations in climate, as reflected in Greenland ice core samples.

A comprehensive review (pdf) by the US Fish and Wildlife Service concluded that shrinking sea ice is the primary cause for the decline seen in these populations, and it recently proposed listing polar bears as threatened (pdf) under the Endangered Species Act.

With the Arctic warming twice as fast compared to the rest of the world, the region's summer sea ice has declined by about 30 percent since 1979.

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.

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 minimum Arctic sea ice has declined by a little over half since its maximum extent of the past three decades.

As the extent of the sea ice declines, energy from the sun that would have been reflected away is instead absorbed by the ocean.

Real scientists (as opposed to climate modellers) have long maintained that the decline in Arctic ice is caused not by warmer air — in the past year or two Arctic air temperatures have actually been falling — but by shifts in major ocean currents, pushing warmer water up into the Arctic Circle.

Maslowski came under intense scrutiny afterwards, and in some interviews seemed at pains to discuss his modelling and its own prediction for a first ice - free September, which Gore had stated before the world (although the US press almost unanimously declined to include this in their articles about the speech)-- could come by 2014.

This loss is exacerbated by the intensifying Climate Destabilization (reportedly reflecting the start of the «Albedo Loss» feedback due to the decline of Arctic sea - ice and ice caps) which is suppressing subsistence farm yields and some commercial farm yields on a random basis by the impacts of extreme droughts, storms, floods, and heat and cold waves.

If we take the largest decline (1,500 km3 / year) in Arctic ice cover of the last decades together with the increase in precipitation over the Arctic (500 km3 / year), then this is completely dwarfed by the 115,000 - 230,000 km3 in one year which is supposed to have slowed down (not even stopped) the THC.

Nghiem said the rapid decline in winter perennial ice the past two years was caused by unusual winds.

A recent paper by Francis & Hunter provides an interesting discussion about reasons for the recent decline in the Arctic sea - ice extent, based on new satellite observations.

The overall decline in volume and thickness are explained almost entirely by changes in the MY ice cover.

«in Western Hudson Bay, the decline in population size, condition, and survival of young as a consequence of earlier breakup of the sea ice brought about by climate warming have all been well documented (Stirling et al., 1999; Gagnon and Gough, 2005; Regehr et al., 2005; I. Stirling and N.J. Lunn, unpub.»

Since sea surfaces rose by roughly 400 feet since the peak of the last ice age due to melting of glaciers, it is quite possible that a great many civilizations did decline or perish due to warming, and in fact perished so thoroughly that there is no trace of them.

But Mr. Kempthorne stressed that the decision was made under some duress, that oil and gas operations were not harmful to the bears and that the Endangered Species Act listing would not affect policy on greenhouse gases (even though the model shows that a continuing decline in the bears» sea - ice habitat were all driven by rising greenhouse gases).

So sea ice is down 39 % since the 1970s and is projected to decline another 30 % by 2050?

In fact, recent research has suggested that, perhaps unintuitively, the extreme cold spell experienced by Europe this winter was linked to the sea ice decline in the Arctic.

The fact that I can point to the majority of models not predicting this fast of a decline, and you can point out a few that say that it might have started by now and it hasn't, totally ignores the fact that either way, sea ice is diminishing and that is consistent with accumulating heat in the Earth's climate system.

In just over 30 years, sea ice volume has dropped precipitously, declining by 76 percent from 1979 (16,855 cubic kilometers) to 2011 (4,017 cubic kilometers).

Funny that you cling to a title, and ignore the contents, Yeager explicitly stated the sea ice decline was predicted by the AMOC phase..

A 2014 study study led by NASA researchers shows that half - a-dozen key glaciers in the West Antarctic Ice Sheet are in irreversible decline.

«'' Climate researchers believe that the three - decade decline in Arctic sea ice can not be explained by natural causes alone.

The International Conservation Union, in its latest red list of endangered wildlife, gave polar bears threatened status in May, projecting a decline of 30 percent by midcentury from current populations, mainly due to projected losses of sea ice in a warming world.

For the past 55 million years the global surface temperature has declined by more than 10 °C from a «hot house» condition into an «ice house» with increasing temperature variability as depicted in Figure 1 (Mya = millions of years ago).

According to research by the National Snow and Ice Data Center (NSIDC), based at the University of Colorado at Boulder, the decline in summer Arctic sea ice «is considered a strong signal of long - term climate warming&raquIce Data Center (NSIDC), based at the University of Colorado at Boulder, the decline in summer Arctic sea ice «is considered a strong signal of long - term climate warming&raquice «is considered a strong signal of long - term climate warming».

In fact, although climate models predict that Arctic sea ice will decline in response to greenhouse gas increases, the current pace of retreat at the end of the melt season is exceeding the models» forecasts by around a factor of 3 (Stroeve 2007).

They contend polar bears are already being harmed by declines in summer sea ice coverage, or will be shortly.

Ice bridge at Kane Basin, Nares Strait March 26 2011 Ice volume The decline in ice volume since 1979 is dramatically illustrated by this PIOMAS graIce bridge at Kane Basin, Nares Strait March 26 2011 Ice volume The decline in ice volume since 1979 is dramatically illustrated by this PIOMAS graIce volume The decline in ice volume since 1979 is dramatically illustrated by this PIOMAS graice volume since 1979 is dramatically illustrated by this PIOMAS graph.

In 1999 Rothrock, Yu and Maykut reported in Geophysical Review Letters that the average draught of the sea ice in the Arctic region had declined by 1.3 metres (4.3 ft) compared with the 1960s and 1970s.

Virtually all of the evidence generated by polar bear researchers shows that polar bears are not being harmed by declines in summer sea ice, and in some cases, they are doing very well indeed.

Although the Arctic Ocean is typically mostly covered by ice, both the thickness and extent of summer sea ice in the Arctic have shown a dramatic decline over the past thirty years, satellite measurements have found.

The explanation of the that «incongruous» sea ice decline is very simple: Arctic warming is not caused by an imaginary AGW but by warm Gulf Stream water carried into the Arctic Ocean by North Atlantic currents.