Sentences with phrase «sea ice minimum extent»

Since 2008 the Sea Ice Outlook (SIO) organized by the Study of Environmental Arctic Change (SEARCH) has invited predictions of the September Arctic sea ice minimum extent, which are contributed from the Arctic research community.
Arctic Sea Ice Summertime Minimum Is Fourth Lowest on Record 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.
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.
In the 1980's and 199o's, sea ice minimum extent (in September) averaged about 6.5 - 7.5 M sq km.
Changes in the timing of the sea ice minimum extent are especially important because more of the sun's energy reaches Earth's surface during the Arctic summer than during the Arctic winter.
With 19 total responses, 14 provided a value for the arctic sea ice minimum extent for September 2008; 6 provided regional outlooks.
Even if the 2008 summer sea ice minimum extent appeared to be slightly above the 2007 all - time record minimum, according to passive radiometers, it does not seem like the ice mass budget is significantly different in 2008 compared with 2007.
According to the National Snow and Ice Data Center (NSIDC, Sept. 20 report), the annual sea ice minimum extent was reached on Sept. 13, 2013.
Please note that this is not an announcement of the sea ice minimum extent for 2012.
Current ice extent is well below levels at the same point in 2012, which went on to set the current record for the lowest 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.
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.

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.
Together, the meager maximum extent and thin ice could spell trouble for this year's minimum sea ice extent, expected during September.
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.
Scientists consider Arctic sea ice as a sensitive climate indicator and track this minimum extent every year to see if any trends emerge.
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.
Each year, the Arctic sea ice reaches its minimum extent in September.
The summer minimum Arctic sea ice extent has decreased by 40 percent during the same time period.
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.»
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.
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.
Though slightly larger than last year, the minimum sea ice extent 2017 is average for the past ten years and far below the numbers from 1979 to 2006.
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.
Meanwhile, in Antarctica, sea ice has already reached its minimum extent following the summer melt season.
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.
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.
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.
Least unexpected observations: (Joint winners) 2006 near - record minima in Arctic sea ice extent, near - record maxima in Northern Hemisphere temperatures, resumed increase in ocean heat content, record increases in CO2 emissions
This means the expectation is that the minimum Arctic Sea Ice extent this year will be below that of 2007.
For 2007, the Arctic sea ice extent minimum was 25 % below the previous minimum, whereas the sea ice extent maximum for the Antarctic was roughly 1 % above the previous year.
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.
Earlier this year, I was among the first to bet that sea ice extent at minimum this year would be greater than last year; I'll now predict that sea ice extent next year at minimum will be greater than this year.
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.
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