Sentences with phrase «minimum extents of sea ice»

New University of Colorado at Boulder calculations indicate the record low minimum extent of sea ice across the Arctic last September has a three - in - five chance of being shattered again in 2008 because of continued warming temperatures and a preponderance of younger, thinner ice.

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.
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.
An image of an area of the Arctic sea ice pack well north of Alaska, captured by the MODIS instrument on NASA's Aqua satellite on Sept. 13, 2013, the day before the National Snow and Ice Data Center estimated Arctic sea ice to have reached its minimum extent for the yeice pack well north of Alaska, captured by the MODIS instrument on NASA's Aqua satellite on Sept. 13, 2013, the day before the National Snow and Ice Data Center estimated Arctic sea ice to have reached its minimum extent for the yeIce Data Center estimated Arctic sea ice to have reached its minimum extent for the yeice to have reached its minimum extent for the year.
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.
This image shows a visualization of Arctic sea ice cover on Sept. 12, 2013, with a yellow line showing the 30 - year average minimum extent.
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 2007 minimum occurred on September 18 of that year, when Arctic sea ice extent stood at 4.15 million square kilometers (1.60 million square miles).
To think that now the Antarctic sea ice extent is actually reaching a record minimum, that's definitely of interest.»
It's unclear whether this year's strong El Niño event, which is a naturally occurring phenomenon that typically occurs every two to seven years where the surface water of the eastern equatorial Pacific Ocean warms, has had any impact on the Arctic sea ice minimum extent.
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.
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).
«Arctic sea ice once again shows considerable melting: With a minimum extent of ca. 4.7 million square kilometres, Arctic sea ice continues to retreat.»
The exact date and value of the minimum sea ice extent in 2017 can only be determined in the coming weeks, after a significant increase.
Extent of Arctic sea ice in September 2016 versus the 1981 - 2010 average minimum extent (gold Extent of Arctic sea ice in September 2016 versus the 1981 - 2010 average minimum extent (gold extent (gold line).
The area of the Arctic Ocean covered by sea ice in September, when the annual minimum occurs, was the sixth lowest extent in the satellite record, going back to 1979.
Least unexpected observations: (Joint winners) 2008 near - record minima in Arctic sea ice extent, last decade of record warmth, long term increases in ocean heat content, record increases in CO2 emissions.
Since that time, winter sea ice extent has dropped 3.2 percent per decade, while the summer minimum has seen an even steeper drop of 13.7 percent per decade.
The minimum Arctic sea ice has declined by a little over half since its maximum extent of the past three decades.
The data presented here indicate that the area of undersaturation presently extends to approximately 20 % of the Canadian Basin in the late summer months, when sea ice is near its minimum extent.
Although there is still definitely a declining trend in Arctic sea ice (2009 and 2008 were still the second and third lowest sea ice extents, after 2007) there was a lot of hype surrounding the 2007 minimum even though that was partly just natural variability in the Arctic climate.
After that, the sea ice will begin its course towards its annual minimum of both extent and volume in mid-September.
I have often used quadratic fits of annual minimum Arctic sea ice extent to forecast the future value.
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.
Just to return to one of the suggested topics, Arctic sea ice extent appears to have passed its minimum for this year with a value higher than has recently been the case.
This means the expectation is that the minimum Arctic Sea Ice extent this year will be below that of 2007.
For the latest forecasts of this summer's Arctic ice retreat, have a look at Sea Ice Outlook 2009, an effort to collate and compare a variety of studies aiming to project the minimum ice extent each summice retreat, have a look at Sea Ice Outlook 2009, an effort to collate and compare a variety of studies aiming to project the minimum ice extent each summIce Outlook 2009, an effort to collate and compare a variety of studies aiming to project the minimum ice extent each summice extent each summer.
If you plot the average Arctic Sea Ice extent for 20 years, the you should also plot the monthly maximum and minimum values on the same figure so that we can get some perspective on where the 2007 and 2008 data falls in the context of annual variability, or examine for trends.
My bet is that this year's Arctic Sea ice extent ice will not fall below last year's minimum (4.28 or 2.77), because last year's minimum was very low in comparison to all other years of record (1979 - current).
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.
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....
The graph below (high - resolution copy) shows the range of the forecasts for early September, the point when the sea ice typically reaches its minimum extent, compared to recent years and the average over the period of precise satellite measurement.
I view the question of whether the minimum sea ice extent sets a new record this year as secondary.
WattsUpWithThat.com, 4.9, Heuristic Website devoted to climate and weather polled its readers for the best estimate of 2012 sea ice extent minimum by choosing bracketed values.
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.
Shorefast ice conditions along the northeastern Chukchi Sea coast (Barrow to Wainwright) reflect the combination of late freeze - up after the 2012 record minimum summer ice extent and persistent westerly flow advecting warm air throughout fall and early winter.
Why, because the current sea ice extent is already lower than the average minimum for the decade of the 90s?
This month's report includes details on the causes of the 2012 minimum, the use of sea ice volume versus extent, sea ice in climate models, and late spring 2013 conditions.
Klazes (Public), 3.6 (95 % confidence interval of + / - 0.9), Statistical September extent is predicted using an estimated minimum value of the PIOMAS arctic sea ice volume and a simple model for volume - extent relationship.
Please note that this is not an announcement of the sea ice minimum extent for 2012.
The minimum ice extent was the second lowest in the satellite record, after 2007, and continues the decadal trend of rapidly decreasing summer sea ice.
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UPDATE 27 AUGUST: Sunday's data confirms that the previous sea - ice extent minimum of 24 September 2007 was broken last Friday, 24 August 2012.
This year's minimum follows a record - breaking summer of low sea ice extents in the Arctic.
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.
However, despite the fact that their own data show that sea ice extent stayed at that value for three days, NSIDC has chosen the last day of that 3 - day period rather than the first to represent the 2015 minimum.
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.
Arctic sea ice in 2017 had record - low extents for much of the first five months of the year, though it recovered a bit after that to show only the eight lowest summer minimum on record.
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