Sentences with phrase «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 some recent years, low sea - ice minimum extent has been at least in part exacerbated by meteorological factors, but that was not the case this year.

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.

Arctic sea ice is already beginning to melt and recede, setting the stage for a very low sea - ice minimum extent that the center will declare in September, he added.

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.

The arctic summer ice minimum extent also dropped, about 20 to 25 %, during this period when air temperatures were falling.

Please note that this is not an announcement of the sea ice minimum extent for 2012.

To me, one remarkable aspect of this summer's ice minimum extent is that it came very close to last year's record - breaking decline, yet there was * not * a highly unusual weather pattern associated with it like last year, in fact conditions were relatively normal.

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.

The last seven years witnessed the seven lowest minimum extents since satellite observations began in 1979, and there was last a record high with Arctic ice cover two decades ago, according to federal data.

The animation of satellite data shows the physical extent of the ice cover for each of those minimum dates, ending with the record low.

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.

The Arctic's ice cover appears to have reached its minimum extent on September 10, 2016, according to scientists at the National Snow and Ice Data Center (NSIDice cover appears to have reached its minimum extent on September 10, 2016, according to scientists at the National Snow and Ice Data Center (NSIDIce Data Center (NSIDC).

NSIDC scientists said there was a lot of thin ice at the beginning of the melt season, because thinner ice does not take as much energy to melt away, this may have also contributed to this year's low minimum extent.

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).

Scientists have used satellite pictures since 1979 to map the extent of such ice at its minimum, and the picture this year isn't pretty.

«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.

After the 2016 September minimum, the Arctic ice growth was very sluggish, leading to well - below average extent through the 2016/2017 ice - growth season.

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.

For example, austral summer minimum ice extents have varied by as much as 25 % over the 1979 to 2014 modern satellite record.

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.