Sentences with phrase «years record melt»

If the rate of melt does note slow considerably, it looks like this year will be on track to equal, or even exceed last years record melt.

Not exact matches

The record is plotted as the percent of each year's layer represented by refrozen melt water.
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.
2016 experienced the earliest melt, the latest onset of snow in autumn, and the longest snow - free season in 115 years of record - keeping — about 45 percent longer than the average over the previous four decades.
The past several years, as well as the current one, have seen temperature and melting records set across Greenland.
In 30 years of satellite observations, the greatest extent of surface melt was recorded a decade ago, when about 75 per cent of the surface was wet.
Once the LGM came to a close, however, the climate began to warm, the sea level rose and ice masses started melting away, allowing the Native American founder population to enter into North America nearly 15,000 years ago, according to the genetic record.
NSIDC will issue a formal announcement at the beginning of October with full analysis of the possible causes behind this year's ice conditions, particularly interesting aspects of the melt season, the set up going into the winter growth season ahead, and graphics comparing this year to the long - term record.
During a record melting jag this past summer, the Greenland ice sheet lost 552 billion tons (19 billion tons lower than the previous low), and the volume of sea ice fell to half the volume it had four years ago.
This year's record low sea ice maximum extent might not necessarily lead to a new record low summertime minimum extent, since weather has a great impact on the melt season's outcome, Meier said.
«There are already places in the Andes, for instance, where records of the last 30 to 40 years have disappeared because of surface ice melting,» Rignot says.
But the 14 - year record used in the study is still somewhat short to infer a definitive link between wind - driven upwelling and ice shelf melt, he says.
Recent studies have proposed that the bathymetric fabric of the seafloor formed at mid-ocean ridges records rapid (23,000 to 100,000 years) fluctuations in ridge magma supply caused by sealevel changes that modulate melt production in the underlying mantle.
According to climate records stretching back a century, southern Greenland has warmed three degrees Celsius in just the past 20 years, driving melting that may help lubricate glacial flow along the bedrock, the two speculate.
Complementary analyses of the surface mass balance of Greenland (Tedesco et al, 2011) also show that 2010 was a record year for melt area extent... Extrapolating these melt rates forward to 2050, «the cumulative loss could raise sea level by 15 cm by 2050 ″ for a total of 32 cm (adding in 8 cm from glacial ice caps and 9 cm from thermal expansion)- a number very close to the best estimate of Vermeer & Rahmstorf (2009), derived by linking the observed rate of sea level rise to the observed warming.
As Arctic sea ice melts, an underwater recording project reveals that the submerged ecology is undergoing change, with humpbacks and killer whales staying north later in the year.
But this year, a big spring meltdown in October and November suddenly reversed that trend and has led to continued record low sea ice levels as the summer melt season progressed.
What sets this melt season apart from 2007 is that unlike during the previous record year, the weather conditions throughout the melt season were not particularly favorable for melting.
In previous years, Antarctic sea ice hit record highs, potentially due to changing ocean conditions linked to the melting of land - bound glaciers.
«The ice core record ends about 450 years ago, so the modern melt rates in these cores are the highest of the whole record that we can see,» Osterberg said.
This continues recent trends, ever since the previous record melt year of 2007.
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.
The fund has a strong record, 4.5 % annual returns over the past 17 years and a maximum drawdown of just 4.25 % (during the 2008 market melt), a broad and stable management team and the resources of large analyst corps to draw upon.
Second, there is nothing whatsoever «misleading» about the title «Greenland Meltdown», since the RealClimate article in question discussed «the record - breaking 2010 surface melt area in Greenland» and the fact that newly reported data shows that 2011 «was either the 3rd or 6th year in the rankings» of Greenland surface melt.
The melting increased by about 30 percent for the western part of Greenland from 1979 to 2006, with record melt years in 1987, 1991, 1998, 2002, 2005 and 2007.»
Will it level off before exceeding last year's record melt?
Currently they are reporting on record ice losses in August, when the rate of decline typically decreases (but this year it kept right on melting as if it was July).
It's still possible to beat last year's record low extent (given the current high melt rate), but probably not likely.
A 7 °F increase since 1991 contributed to another record ice melting year, 10 % more than the previous one set in 2005.
I've sometimes thought that global cataclysms like the largest volcanic eruptions would disrupt the glacial records by many years, like Oruanui eruption c. 26500bp, as these would induce unrecorded behavior in weather and other things, f.e. the huge ash deposits might decrease the albedo so much a local melting event happens.
I don't think winds will be as important a factor as in years past since it looks like all that would have to be done to achieve a record minimum is melt the first year ice.
If the ice melt is due to global warming, why have recent records shown that the warming process stopped about 7 years ago and we are now slightly cooling?
As I understand it, the sea level record indicates that the melting of the great ice sheets covering parts of the NH began some 16k years ago.
That said, the preconditioning is so strong that even with cloudy weather it looks likely that the ice will fall below the 2005 level and be the second lowest on record, even if it doesn't exceed the record melt last year.
This year's sea ice melt is not as bad as last year's record - shattering melt.
it's one thing for records to creep in every couple of years, but this summer's melting season was... «spectacular» isn't quite the right word....
The sea ice at the end of this summer's period of melting is predicted to match or beat the all - time record low of 2007 and one research group at the University of Bremen in Germany has already announced that the ice this year has already set a record.
In recent years, Greenland's ice has been melting more and flowing faster into the sea — a record amount of ice melted from the frozen mass this summer, according to recently released data — and Earth's rising temperatures are suspected to be the main culprit.
And what about the fact that weather records show the weather has been growing warmer over the years — so warm in fact that certain glaciers are melting fast enough to raise the level of the world's oceans?
«This makes it more likely than not that within the next five to 10 years we will witness further record Greenland melt events like in 2012 and 2015.»
man: [slightly irritatedly and with exaggeratedly clear accent] The forecast for Atlantic hurricanes has been lowered again, glaciers were reported to be melting in 1922, and the hottest year on record wasn't 1998, it was 1934.
Although this century kicked off with the hottest decade on record, 2010 was the hottest year and in 2011 the Arctic may have broken both the summer and the winter melting record, there has still been heat missing: the rise in global temperatures is smaller than what one would expect from the rise in greenhouse gas concentrations, which — despite UNFCCC attempts to tackle climate change since Kyoto 1997 and Copenhagen 2009 — has even accelerated.
The US government spends $ 2.5 billion per year on research that focuses on carbon dioxide, ignores powerful natural forces that have always driven climate change, and generates numerous reports and press releases warning of record high temperatures, melting icecaps, rising seas, stronger storms, more droughts and other «unprecedented» crises.
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.
Scientists say the record was all the more striking as 2007 had near perfect climate patterns for melting ice, but that the weather this year was unremarkable other than a storm in early August.
I must point out that this particular section generally holds info up to about 2010 ~ and so doesn't directly mention all the additional weight of scientific info in the last five years [i.e. all the newer «hot year» global records and even faster Ice Melt and sea - level rise].
[1] The US National Snow and Ice Data Center (NSIDC) uses satellite data to provide a daily record of Arctic sea ice cover and the rate of melting compared to an average period and specific past years.
Still, they indicate that some areas of the ocean are heating up especially fast, such as the Arctic Ocean — which this year had its lowest winter ice year on record — and is absorbing much more solar energy as melting ice cover exposes new dark surfaces.
The Greenland ice sheet is poised for another record melt this year, and is approaching a «tipping point» into a new and more dangerous melt regime in which the summer melt area covers the entire land mass, according to new findings from polar researchers.
This indicates that the ice sheet is absorbing more energy than normal, potentially leading to another record melt year — just two years after the 2010 record melt season.
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