Sentences with phrase «sea ice minimum as»

As a consequence, any sea ice coverage ensemble forecast that uses the 2007 temperature and specific humidity fields as part of the input surface BCs will approximately have the 2007 sea ice minimum as the lower end estimate of the ensemble.

Not exact matches

«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.
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.
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.
Scientists consider Arctic sea ice as a sensitive climate indicator and track this minimum extent every year to see if any trends emerge.
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.
But «while the Arctic maximum is not as important as the seasonal minimum, the long - term decline is a clear indicator of climate change,» Walt Meier, a sea ice researcher at the NASA Goddard Space Flight Center, said in a statement.
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.
Satellites show the extent of Arctic sea ice on Sept. 16, 2012 as compared to the average minimum from the past 30 years (yellow line).
The record low maximum doesn't necessarily guarantee a record - low summer sea ice minimum, though, as ice melt depends heavily on Arctic weather patterns through the spring and summer months.
On September 10, Arctic sea ice reached its annual minimum extent at 1.60 million square miles, statistically tying 2007 as the second smallest extent in the 1979 — 2016 satellite record, according to the National Snow and Ice Data Centice reached its annual minimum extent at 1.60 million square miles, statistically tying 2007 as the second smallest extent in the 1979 — 2016 satellite record, according to the National Snow and Ice Data CentIce Data Center.
This marks the beginning of the ritual of the annual sea ice watch that includes predictions of the extent and rank of this year's sea ice minimum, as well as discussion about the timing of its eventual demise.
We find that the available observations are sufficient to virtually exclude internal variability and self - acceleration as an explanation for the observed long - term trend, clustering, and magnitude of recent sea - ice minima.
As a result, the sea ice volume at its annual minimum has declined 75 % over the past three decades.
The consolidated database shows that there is no precedent as far back as 1850 for the 21st century's minimum ice extent of sea ice on the pan-Arctic scale....
I view the question of whether the minimum sea ice extent sets a new record this year as secondary.
Given that this summer's minimum has fallen below last year's and will settle in at the 2nd or 3rd lowest on record, last summer's minimum now appears more as a bump in the road toward continuing lower Arctic sea ice coverage.
Jin (IARC), 5.06, Modeling (same as June) A coupled ice - ocean model forecast of the September sea ice extent minimum.
Scientists use the summer minimum as one measure of the extent of Arctic sea ice for that year.
Now it's official: as of September 16, according to the National Snow and Ice Data Center, the sea ice covering the Arctic Ocean reached a record low minimum exteIce Data Center, the sea ice covering the Arctic Ocean reached a record low minimum exteice covering the Arctic Ocean reached a record low minimum extent.
NASA satellite data reveals how this year's minimum sea ice extent, reached on Sept. 9 as depicted here, declined to a level far smaller than the 30 - year average (in yellow) and opened up Northwest Passage shipping lanes (in red).
Carrington's self - serving and unnecessary lyricism aside — as well as the poetic license often taken by the likes of Vidal and Monbiot — this year's sea - ice minimum represents the second lowest on record.
Liu, J., M. Song, R. Horton, and Y. Hu, 2015: Revisiting the potential of melt pond fraction as a predictor for the seasonal Arctic sea ice extent minimum.
Ethon revs up the transport module As you may recall, Eli has a bet with Stoat on 2008 setting a new record for minimum Arctic sea ice.
Polar bear numbers, as confirmed by the latest estimates in the 2015 IUCN Red List assessment, are higher now than they have been since the 1960s, despite almost 10 years of summer sea ice minimums below 5.0 mk2.
In the summer of 2012, Arctic sea ice has broken the previous record for minimum extent (set in 2007), fallen below 4 million square kilometers, and, as of September 17, dropped below 3.5 million square kilometers in extent.
«the available observations are sufficient to virtually exclude internal variability and self - acceleration as an explanation for the observed long - term trend, clustering, and magnitude of recent sea - ice minima.
She says that likely why this year's sea - ice minimum is about the same as 2007's, even though that year's summer was much warmer than this year's.
In the golden days of «run - away» melting, leading up to the «catastrophic» 2007 Arctic sea - ice minimum, this was often presented as the «canary in the coal - mine» for global warming and climate change.
''... worked with two sediment cores they extracted from the seabed of the eastern Norwegian Sea, developing a 1000 - year proxy temperature record «based on measurements of δ18O in Neogloboquadrina pachyderma, a planktonic foraminifer that calcifies at relatively shallow depths within the Atlantic waters of the eastern Norwegian Sea during late summer,» which they compared with the temporal histories of various proxies of concomitant solar activity... This work revealed, as the seven scientists describe it, that «the lowest isotope values (highest temperatures) of the last millennium are seen ~ 1100 - 1300 A.D., during the Medieval Climate Anomaly, and again after ~ 1950 A.D.» In between these two warm intervals, of course, were the colder temperatures of the Little Ice Age, when oscillatory thermal minima occurred at the times of the Dalton, Maunder, Sporer and Wolf solar minima, such that the δ18O proxy record of near - surface water temperature was found to be «robustly and near - synchronously correlated with various proxies of solar variability spanning the last millennium,» with decade - to century - scale temperature variability of 1 to 2 °C magnitude.»
The most prominent sea ice minimum occurred during the LIG (MIS 5e / Eemian) as clearly reflected in the semi-quantitative PIP25 records of Core PS2138 - 2.
We relate this sea ice minimum to the strong inflow of warm Atlantic Water as indicated by the contemporaneous prominent maxima in open - water phytoplankton biomarker concentrations (i.e., brassicasterol and HBI - III), total numbers of dinoflagellate cysts and — especially — the dinoflagellate species O. centrocarpum (Fig. 7d) as well as a prominent maximum in Atlantic - Water species of benthic foraminifers44.
During the interstadials and coinciding with maxima in insolation, on the other hand, sea ice was reduced and surface - water productivity increased as indicated by minima in PIP25 and peak values in brassicasterol and HBI - III, respectively (Fig. 7a, c).
2014 Arctic sea ice extent at summer minimum was larger than 2012, 2011, 2010, 2009, 2008 and 2007 — and about the same as 2013.
As a result, the Arctic sea - ice cover has continued to shrink; this September, the minimum summer sea - ice extent was more than 770,000 sq. mi.
As with 2005, the sea ice extent minimum remains below the 2 - standard deviation mark based on the years 1979 — 2000.
If arctic sea ice was at its minimum in the 1940s as it is now, and it was at its maximum in the 1970s, why are they scaring us with «Arctic Sea Ice: Death Spiral Continues» in the following blsea ice was at its minimum in the 1940s as it is now, and it was at its maximum in the 1970s, why are they scaring us with «Arctic Sea Ice: Death Spiral Continues» in the following blice was at its minimum in the 1940s as it is now, and it was at its maximum in the 1970s, why are they scaring us with «Arctic Sea Ice: Death Spiral Continues» in the following blSea Ice: Death Spiral Continues» in the following blIce: Death Spiral Continues» in the following blog?
Sea ice rebounded in 2013 compared to 2012 but then decreased in 2014 and this year as well, although is still above the 2012 minimum.
Both 2007 and 2008 qualify as major outliers compared to previous summer minimum sea ice extents over the last three decades.
In September 2008, the sea ice area minimum was less than 5 % larger than the September 2007 sea ice area minimum as derived from AMSR - E 89 GHz data.
Bosse (Citizen Scientist / Public), 4.1 (± 0.43), Statistical (Same as June) Just as in the two years before I calculate the value for the September - minimum of the arctic sea ice extent of the year n (NSIDC monthly mean for September) from the Ocean Heat Content (0... 700m depth) northward 65 ° N during JJAS of the year n - 1.
NRL - atm - ocn - ice, 4.8 (4.4 - 5.3), Modeling (fully coupled)(Same as June) The projected Arctic minimum sea ice extent from the Navy's global coupled atmosphere - ocean - ice modeling system based on May 2016 initial ice conditions is 4.8 km2.
Also, note the huge changes in Central Arctic sea ice minima which occurred at the same time as this temperature deviation.
Wang and Collow, 4.63 ± 0.25, Modeling (fully coupled)(Same as June) The contribution here includes (1) Monthly September sea ice extent, (2) Monthly September sea ice extent error estimate, and (3) Date of September minimum.
Jin (IARC), 4.62, Modeling (ice - ocean)(Same as June) A coupled ice - ocean model (POP - CICE) forecast of the September sea ice extent minimum.
Just as the 2016 El Nino was warmer than the 1998, we see increasing maxima in temperatures and minima in Arctic Sea Ice.
Behavior of the sea ice over the past winter and the spring and the large positive temperature anomalies in the Arctic (as high as 20 degrees C over large regions in the past winter) suggest that an extent near that of the 2012 minimum may occur again if there is large export of sea ice out to the Atlantic Ocean via the Fram Strait.
If we get the same increase in minimum sea ice extent during this solar minimum as we got during and after the last solar minimum it is going to be difficult to claim that it is just a coincidence, the AMO is likely correlated to solar radiation.
This week probably saw the Arctic Ocean's sea ice reach its minimum extent for the year and begin to expand again, as it usually does in mid-September.
As I said several times previously, if the sea ice minimum were to decline faster than recently observed, then I would rethink my position and conclude that warming is occurring faster than expected.
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