Sentences with phrase «of sea ice recorded»

Climate News Network: The Arctic ice cap has just passed its summer minimum — and it's the sixth lowest measure of sea ice recorded since 1978, according to scientists at the US space agency NASA.
Still, the extent of sea ice recorded in November was well shy of the median extent observed over the past quarter century, as the image from Nov. 14 (above, right) shows.
To be sure, it is hard to know exactly what proportion of incompetence and dishonesty one should ascribe to Lawrence Solomon in his discussion of the sea ice record.

Not exact matches

In March 2017, sea ice around the North and South Poles reached record lows for that time of year.
«If you're trying to detect change in something, you need long and continuous uninterrupted records of things like the sea ice or sea level rise or Greenland's ice sheet,» Shepherd said.
But Arctic sea ice has been consistently below the long - term average since 2003 and the summer melts of 2007, 2008 and 2009 were the three largest melts recorded.
The record - setting melt of Arctic sea ice helped set the stage for Hurricane Sandy according to scientists
From disease to weather patterns, the meltdown of Arctic sea ice — close to record levels again this year — is changing the globe
The research team — which utilized 34,000 data records from 2010 and 2011 — concluded that melting sea ice is diluting seawater and reducing the concentrations of the carbonate minerals critical as building blocks for the shells of marine life.
That means the most complete and most scientifically significant sea - ice record is at risk of breaking.
«The autumn volume of the sea ice (as opposed to the extent) is still close to its minimum record,» Robert Meisner, spokesman for European Space Agency, said yesterday.
«Although a direct causal link has not been established between the atmospheric phenomena observed in late October 2012 and the record - breaking sea - ice loss observed during the preceding summer months, all of the observations are consistent with such an interpretation,» states the Oceanography article.
Never mind that this summer saw a record - breaking meltdown of Arctic sea ice, presaging rising sea levels and more extremely weird weather.
One of the most important continuous records of climate change — nearly four decades of satellite measurements of Arctic and Antarctic sea ice — might soon be interrupted.
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.
The Sea Ice Knowledge and Use (SIKU) project aims to record some of this information as the sea ice the hunters have known changes before their eySea Ice Knowledge and Use (SIKU) project aims to record some of this information as the sea ice the hunters have known changes before their eyIce Knowledge and Use (SIKU) project aims to record some of this information as the sea ice the hunters have known changes before their eysea ice the hunters have known changes before their eyice the hunters have known changes before their eyes.
The case of this one polar bear and the failure of her offspring to survive in the new environmental conditions of the Arctic doesn't bode well for the future of the species, especially as Arctic sea ice continues to retreat at a record pace.
This type of analysis may be useful for future applications of using seismic records to track the strength of sea ice over large regions, which has been difficult to determine from satellite observations.»
«This highly unusual state of the atmosphere has been linked to record low sea ice cover during summer over the Arctic Ocean.
After a decade with nine of the lowest arctic sea - ice minima on record, including the historically low minimum in 2012, we synthesize recent developments in the study of ecological responses to sea - ice decline.
In addition, the report notes that three of the warmest years on record — 2014, 2015 and 2016 — occurred since the last report was released; those years also had record - low sea ice extent in the Arctic Ocean in the summer.
The record follows a trend over the past three years of anomalously high winter ice extents, providing a stark contrast to the inexorable decline of Arctic sea ice
Still, sea ice is far below the long - term average and stands to rank among the lowest years on record at its end - of - summer nadir.
Arctic sea ice reaches its peak at the end of the winter; last year that winter peak set a record low.
AWI researchers observed a considerable decrease in the thickness of the sea ice as early as the late summer of 2015, even though the overall ice covered area of the September minimum ultimately exceeded the record low of 2012 by approximately one million square kilometres.
His 2011 data show the lowest coverage of sea ice since records began.
They then used the satellite record of Arctic sea ice extent to calculate the rates of sea ice loss and then projected those rates into the future, to estimate how much more the sea ice cover may shrink in approximately three polar bear generations, or 35 years.
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.
«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.»
Sea ice physicists from the Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research (AWI), are anticipating that the sea ice cover in the Arctic Ocean this summer may shrink to the record low of 20Sea ice physicists from the Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research (AWI), are anticipating that the sea ice cover in the Arctic Ocean this summer may shrink to the record low of 20sea ice cover in the Arctic Ocean this summer may shrink to the record low of 2012.
In the last three years, the sea ice's extent - the ocean area in which a defined minimum of sea ice can be found — was at its lowest in the 30 - year satellite record.
As the Arctic sea - ice reaches its summer minimum extent, it is clear that it has yet again shrunk to one of the smallest areas in recent decades, 10 % above the record minimum set last year.
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In Antarctica, this year's record low annual sea ice minimum of 815,000 square miles (2.11 million square kilometers) was 71,000 square miles (184,000 square kilometers) below the previous lowest minimum extent in the satellite record, which occurred in 1997.
The research is timely given the extreme winter of 2017 - 2018, including record warm Arctic and low sea ice, record - breaking polar vortex disruption, record - breaking cold and disruptive snowfalls in the United States and Europe, severe «bomb cyclones» and costly nor'easter s, said Judah Cohen, director of seasonal forecasting at AER and lead author of the study.
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.
And on the opposite side of the planet, on March 3 sea ice around Antarctica hit its lowest extent ever recorded by satellites at the end of summer in the Southern Hemisphere, a surprising turn of events after decades of moderate sea ice expansion.
To think that now the Antarctic sea ice extent is actually reaching a record minimum, that's definitely of interest.»
According to a NASA analysis of satellite data, the 2015 Arctic sea ice minimum extent is the fourth lowest on record since observations from space began.
This year's record low happened just two years after several monthly record high sea ice extents in Antarctica and decades of moderate sea ice growth.
Some say the record loss of sea ice in summer 2012 was a one - off, others that it was the start of a runaway collapse.
The sea ice reached its maximum winter extent unusually early this year and has been falling fast, to a new record low for this time of year (see graph below).
The record - low winter maximum doesn't necessarily herald a record low end - of - summer minimum come September, as summer weather patterns have a large effect on sea ice area.
The Arctic has been one of the areas of the world that has seen sky - high temperatures this year, which have led to record - low sea ice levels.
As it stands, 2017 had the lowest amount of Arctic sea ice on record, followed by 2018, 2016, and 2015.
This year's maximum was likely reached on March 7, the NSIDC said Wednesday, when sea ice covered 5.57 million square miles, the lowest in 38 years of satellite records.
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.
In September 2007 less sea ice covered the Arctic than at any point since the U.S. government began keeping records of its decline.
That helped drive last summer's near - record thaw of Arctic sea ice, second only to the dramatic melt observed in 2007.
First of all, less sea ice is forming in the region, and secondly, oceanographic recordings from the continental shelf break confirm that the warm water masses are already moving closer and closer to the ice shelf in pulses,» says Dr Hartmut Hellmer, an oceanographer at the AWI and first author of the study.
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