Sentences with phrase «ice declining more»

For both summer and winter Arctic sea - ice, the area coverage is declining at present (with summer sea - ice declining more markedly; ref.

Not exact matches

I suspect that it will stay there until the temperature starts to decline again, at which point, as in the 1970s, we'll hear more about the inevitable return of an ice age.
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.
As climate change became a concern, researchers assumed that warming would favor the ice - avoiding chinstrap penguins, sending the Adelies into decline as more and more of their winter sea - ice home disappeared.
Higher temperatures mean more melting and thawing of ice from glaciers and permafrost, which has led to the decline of the most common species, the nematode Scottnema lindsayae.
«One societally relevant implication is that more storminess probably means more erosion of Arctic coastlines, especially in tandem with declines in buffering sea ice cover and increases in thawing coastal permafrost,» concluded Dr. Vavrus.
The volume of ice divergence has doubled since 2000 due to a more mobile ice cover as multiyear ice has declined, which can explain the drastic ice reduction in the Arctic Ocean in recent years.
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.
As temperatures rise, sea ice declines, making it more difficult for Adélie penguins to survive.
I guess I am surprised that with better understanding of the importance of water vapor feedback, sulfate aerosols, black carbon aerosols, more rapid than expected declines in sea ice and attendant decreases in albedo, effects of the deposition of soot and dust on snow and ice decreasing albedo, and a recognition of the importance of GHGs that were probably not considered 30 years ago, that the sensitivity has changed so little over time.
Relict habitats (remnants of the last Ice Age more than 10 000 years ago) in Portugal are officially recognised as being in an inadequate condition and in decline.
But that multi-year ice is also on the decline, leaving more fragile first - year ice that is easier to melt.
The volume of sea ice left at the end of the summer melt season seems to vary more from year to year than had perhaps been previously appreciated; after declining for several years, sea ice volume shot up after the unusually cool summer of 2013, the data revealed.
Considering ice volumes over the last decade, CCSM4 AR4 is predicting a decline of some 200 cu km pa while PIOMAS models suggest something more like 600 cu km pa.
Sea ice decline alters the pole pressure gradient, leads for instance to a higher amplitude Jet Stream and more ridges which create more stucky — persistent conditions.
I guess I am surprised that with better understanding of the importance of water vapor feedback, sulfate aerosols, black carbon aerosols, more rapid than expected declines in sea ice and attendant decreases in albedo, effects of the deposition of soot and dust on snow and ice decreasing albedo, and a recognition of the importance of GHGs that were probably not considered 30 years ago, that the sensitivity has changed so little over time.
BTW, my fearless «denialism forecast» for the next month is for declining mentions of surface temperature trends, 30 - 50 % chance of more scientist bashing, and sporadic outbreaks of «Arctic sea ice recovery» — at least until the melting season gathers some steam.
Summer sea ice in the Arctic is declining at an estimated rate of 10 percent per decade or more, and Arctic Ocean sea lanes could be open as early as the summer of 2030.
How can anybody have much confidence in the so called «published projections» for the ice free state between 2037 and 2100, given that these projections have been wrong every single time they have been made over the last decade or more; they missed the collapse in area in 2007 and they also missed the exponentially declining behavior over the last several decades.
So, I was curious about your recent paper and whether there was any discussion of changes in the THC poleward of the GIS shelf vs the data from the RAPID program line located at 26.5 N. With the decline in minimum extent and volume of sea - ice, one might expect to see more THC sinking into the Arctic Ocean, with consequences for both climate and weather.
Glaciers have continued to melt at accelerating rates, arctic summer ice is declining at accelerating rates, more 6 - 10 thousand year old ice shelves are collapsing.
Thus, even though the ice extent is about equal to the long term average right now, for summer weather typical of the past few years, the decline in ice area will be more rapid than in other years.
Enhanced water vapor absorbs more incoming sunlight and reflection from snow and ice declines.
The combination of sea level rise, ice extent decline, earlier melting and later appearance, warming permafrost and more has begun to destroy the land and the culture of those who live there.
The «models» say that ice on the Great Lakes will be rare / declining in the future, yet, as I type this (about 100 feet south of the southern shore of Lake Ontario) there is more ice on the water than I have seen in the last 3 decades.
Still more striking, and significant, has been a severe decline in the average thickness of the ice pack, and thus of its volume (graph).
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).
So just as more cold and more warmth are both evidence of AGW so is Arctic sea ice decline proof of AGW and Antarctic sea ice increases are also proof of AGW.
He said: «The sea ice is not only declining, the pace of the decline is becoming more drastic,» Comiso said.
In a belated Christmas present, Crockford provided this December 26 posting that further deflates the already collapsing narrative about the non-existent «crisis» of declining arctic sea ice: «Polar bear habitat — more Arctic sea ice in Canada this week than in early 1970s.»
If in the radiosonde data water vapor amount has declined it the past 60 years globally (as the 2010 paper Fig 9 shows), this might also mean that more water in the air is there in clouds as ice.
Figure 9: Actual observations of September Arctic sea ice, in red, show a more severe decline than any of the 18 computer models, averaged in a dashed line, that the 2007 IPCC reports reference (NSIDC)
The dramatic decline in Arctic sea ice and snow is one of the most profound signs of global warming and has coincided with «a period of ostensibly more frequent events of extreme weather across the mid-latitudes, including extreme heat and rainfall events and recent severe winters,» according to the conference organizers, who are posting updates under the #arctic17 hashtag on Twitter.
The figure shows a clear and steady decline in Arctic sea ice since the late 1970s, with lighter darker colours (earlier years) at the top and lighter colors (more recent years) much lower.
While the long - term decline in Arctic sea ice is clear, the Antarctic is much more complicated.
Is the dramatic decline of Arctic sea ice, spurred by manmade global warming, making the weather where we live more extreme?
For some years now we have been exposed to mournful photographs of polar bears floating away on ice floes, or otherwise appearing endangered... The theory on which polar bears are supposed to be endangered because their environment is becoming more benign has never been entirely clear, nor has there been data to support the claim that their populations are declining.
The absence of anomalous features evident in 2007 in SLP and stratospheric and surface winds in spring in 2011 indicates that accelerated decline associated with the former will not be an artifact of dynamical phenomena, although a thinner and more mobile ice cover may lower the wind forcing threshold required for increased ice export.
Furthermore, the Arctic has warmed more than twice as fast as the global average, a phenomenon known as Arctic amplification, and stimulated by the combined increasing Arctic temperatures and rapid loss of sea ice in all seasons along with declining snow cover in the spring and early summer.
Check NASA GISS for one — Antarctic sea ice was modeled to decline on percentage basis more than Arctic.
Just because we don't have all the information on how much more ice the Arctic had on previous dates, doesn't make this decline any less important.
This, along with more vulnerable thinner first - year ice throughout much of the Arctic, suggests a faster than normal decline through the rest of the melt season.
even more to the point cryosphere today has ice area growing steadily over the past few days and IJIS has it static or declining.
Not only does this low - pressure area, or cyclone, look bigger, more intense and longer - lasting than the one from last year, the ice also seems to be in a weaker state than ever, as evidenced by the fact that 2012 trend lines on both sea ice area and sea ice extent graphs track lower than previous record years, despite weather that until recently would completely stall the decline.
For more on the terrestrial foods topic, see my detailed discussion in this previous post, and this recent (March 30) ScienceNews report on yet another, largely anecdotal «polar bears resort to bird eggs because of declining sea ice» story (see photo below, based on a new paper by Prop and colleagues), which was also covered March 31 at the DailyMail («Polar bears are forced to raid seabird nests as Arctic sea ice melts — eating more than 200 eggs in two hours,» with lots of hand - wringing and sea ice hype but little mention of the fact that there are many more bears now than there were in the early 1970s around Svalbard or that the variable, cyclical, AMO (not global warming) has had the largest impact on sea ice conditions in the Barents Sea).
Sea ice extent for September 2007 was 4.3 million square kilometers — a reduction of more than 40 % from the 1980s and a rapid decline to more than 20 % below the previous record minimum.
However, the pace of decline returned to near - average rates by July, and the end - of - summer minimum sea ice extent, recorded on September 10, eventually tied for second lowest with 2007 (2012 remains the lowest in the satellite time series by more than 600,000 square kilometers or 232,000 square miles).
At the start of fall freeze - up, sea ice continues to be thinner and more mobile than prior to 2005, which might cause the decline in extent to persist or accelerate.
There's a lot more misinformation in Joe D'Aleo's post at WUWT about the decline of Arctic sea ice than just the fake portrayal of Arctic regional temperature highlighted in the last post.
Concensus AGW science predicts «X» as a consequence of «A.» But that doesn't mean it has to happen — it's still possible that AGW is sound but there something quirky about the Arctic that they missed, or that the changes will happen more slowly than expected, so it won't warm faster than the globe and / or sea ice won't decline.
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