Sentences with phrase «sea ice extent since»

Meanwhile, five of the first six months set records for the smallest monthly Arctic sea ice extent since consistent satellite records began in 1979.

Five of the first six months of 2016 also set records for the smallest respective monthly Arctic sea ice extent since consistent satellite records began in 1979, according to analyses developed by scientists at NASA's Goddard Space Flight Center, in Greenbelt, Maryland.

CMIP5 models have generally simulated decreases in sea ice extent since 1900, accelerating over recent decades, around both poles (AR5 WG1 Figure 9.42).

The original quote speaks of the 2009 ice extent representing the continuation of a general trend, «consistent with a decline of August sea ice extent since 1979 ′, ie, not as much ice as there was, once.

This is 18.4 percent below the 1979 - 2000 average extent, and is generally consistent with a decline of August sea ice extent since 1979.

In the «red» column, I would have added «increased Antarctic sea ice extent since the record started in 1979»

2016 tied 2007 as the year with the second smallest summer sea ice extent since record - keeping began in 1979.

But if one uses data for all months, the increase in Antarctic sea ice extent since 1979 is statistically significant.

It was, however, the largest April Arctic sea ice extent since 2001.

This was the smallest June Antarctic sea ice extent since 2011 and the 13th smallest on record.

This was the 19th largest August Antarctic sea ice extent since records began in 1979.

In this graph, colored lines trace yearly sea ice extent since 1978.

This was the largest August Antarctic sea ice extent since records began in 1979, surpassing the previous record large August sea ice extent that occurred in 2013 by about 90,000 square miles.

Ten out of ten of the lowest summer sea ice extents since 1979 occurred in the ten years leading up to and including 2016.

Indeed the last five years include the five lowest sea ice extents since records began in 1979, and much of that trend has been caused by global warming, says NASA Cryosphere Program manager Tom Wagner in his video interpretation of the 2011 sea ice record (43 MB MPEG - 4).

Not exact matches

Substantial reductions in the extent of Arctic sea ice since 1978 (2.7 ± 0.6 percent per decade in the annual average, 7.4 ± 2.4 percent per decade for summer), increases in permafrost temperatures and reductions in glacial extent globally and in Greenland and Antarctic ice sheets have also been observed in recent decades.

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.

Arctic: The average Arctic sea ice extent for August was 2.40 million square miles, 390,000 square miles (13.9 percent) below the 1981 - 2010 average and the seventh smallest August extent since records began in 1979 but the largest since 2009, according to the National Snow and Ice Data Centice extent for August was 2.40 million square miles, 390,000 square miles (13.9 percent) below the 1981 - 2010 average and the seventh smallest August extent since records began in 1979 but the largest since 2009, according to the National Snow and Ice Data CentIce Data Center.

Since then, its ten instruments have supplied data on environmental factors such as air quality, the extent of Arctic sea ice and oil spills.

The Arctic's sea ice maximum extent has dropped by an average of 2.8 percent per decade since 1979, the year satellites started measuring sea ice.

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 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.

This year, sea ice in the Arctic reached its smallest maximum extent since satellites began tracking polar ice patterns, according to the National Snow and Ice Data Center, while scientists have also forecast ice - free Arctic summers in two to three decades (ClimateWire, July 16, 201ice in the Arctic reached its smallest maximum extent since satellites began tracking polar ice patterns, according to the National Snow and Ice Data Center, while scientists have also forecast ice - free Arctic summers in two to three decades (ClimateWire, July 16, 201ice patterns, according to the National Snow and Ice Data Center, while scientists have also forecast ice - free Arctic summers in two to three decades (ClimateWire, July 16, 201Ice Data Center, while scientists have also forecast ice - free Arctic summers in two to three decades (ClimateWire, July 16, 201ice - free Arctic summers in two to three decades (ClimateWire, July 16, 2013).

We've been able to accurately measure the extent of Arctic sea ice from satellites since 1979.

Antarctic sea ice extent reached a record high this year on 22 September, topping 20 million square kilometers for the first time since 1979, according to the National Snow and Ice Data Centice extent reached a record high this year on 22 September, topping 20 million square kilometers for the first time since 1979, according to the National Snow and Ice Data CentIce Data Center.

A: The National Snow and Ice Data Center (NSIDC) announced this week that the sea ice surrounding Antarctica reached its maximum extent — its widest halo around the continent — in 2014 on 22 September: more than 20 million square kilometers, which also set a record for the highest extent of sea ice around the continent since satellite measurements began in the late 197Ice Data Center (NSIDC) announced this week that the sea ice surrounding Antarctica reached its maximum extent — its widest halo around the continent — in 2014 on 22 September: more than 20 million square kilometers, which also set a record for the highest extent of sea ice around the continent since satellite measurements began in the late 197ice surrounding Antarctica reached its maximum extent — its widest halo around the continent — in 2014 on 22 September: more than 20 million square kilometers, which also set a record for the highest extent of sea ice around the continent since satellite measurements began in the late 197ice around the continent since satellite measurements began in the late 1970s.

Since Oct. 20, the daily sea ice extent there has been the second lowest in the satellite era.

The Arctic's sea ice extent reached an all - time low in September 2012, with the smallest recorded extent since satellite observations began.

Since 1979, winter sea ice extent has decreased 3.2 percent per decade (the loss is much more pronounced in summer at a rate of 13.4 percent per decade).

Since IPCC (2001) the cryosphere has undergone significant changes, such as the substantial retreat of arctic sea ice, especially in summer; the continued shrinking of mountain glaciers; the decrease in the extent of snow cover and seasonally frozen ground, particularly in spring; the earlier breakup of river and lake ice; and widespread thinning of antarctic ice shelves along the Amundsen Sea coast, indicating increased basal melting due to increased ocean heat fluxes in the cavities below the ice shelvsea ice, especially in summer; the continued shrinking of mountain glaciers; the decrease in the extent of snow cover and seasonally frozen ground, particularly in spring; the earlier breakup of river and lake ice; and widespread thinning of antarctic ice shelves along the Amundsen Sea coast, indicating increased basal melting due to increased ocean heat fluxes in the cavities below the ice shelvSea coast, indicating increased basal melting due to increased ocean heat fluxes in the cavities below the ice shelves.

This was the fourth smallest August extent since records began in 1979 and about 344,000 square miles larger than the record smallest August sea ice extent in 2012.

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.

Arctic sea ice extent was below normal for the 11th consecutive April this year, covering an average of 5.7 million square miles (14.7 million square kilometers) 2.1 percent below the 1979 - 2000 average extent and the 15th smallest April extent since records began in 1979.

The minimum Arctic sea ice has declined by a little over half since its maximum extent of the past three decades.

Since then, anthropogenic influence has also been identified in a range of other climate variables, such as ocean heat content, atmospheric pressure and sea ice extent, thereby contributing further evidence of an anthropogenic influence on climate, and improving confidence in climate models.

This was the fifth smallest Antarctic sea ice extent on record for September and the smallest since 2002.

Since then sea ice extent has become much more stable — though still low.

We see that the arctic sea ice extent has increased since then, currently up around the 2004 levels, so we're told that it's not actually the area, it's the thickness and what birthday it's celebrated.

The twentieth century sustained the lowest maximum sea ice extent values since A.D. 1200.

Summertime sea ice extent in the Arctic has been remarkably low since 2007 and the ensuing years have been marked by some notable cold air outbreaks.

Although you really can't check this assertion since the data is not really available anywhere — the Cryosphere has some charts of sea ice area but where are the numbers — where are the sea ice extent numbers.

The paper, combining evidence of driftwood accumulation and beach formation in northern Greenland with evidence of past sea - ice extent in parts of Canada, concludes that Arctic sea ice appears to have retreated far more in some spans since the end of the last ice age than it has in recent years.

Dr. Brigham said that to a large extent, it is Russian bureaucracy more than sea ice or icebergs that is impeding international use of the Arctic route along its coast, which has in theory been open to such transit since 1987.

But, the trend since 1979 has been steadily decreasing sea ice extent.

As the link below shows, sea ice extent has been dramatically reduced since 1979.

Although the sea ice extent has held up since 2007, the thickness has declined; but the extent can not continue to hold up indefinitely while the thickness continues to decline.

I have predicted that artic sea ice extent this summer will increase greatly because sea ice extent is greatly affected by past land temperatures, which have been unusally low since November (My 279, and responses 279 & 280).

The decrease has been greatest during summer, with sea ice extent reducing by around 12 % per decade since the satellite record began in 1979.

ScienceDaily (Oct. 3, 2008)-- Arctic sea ice extent during the 2008 melt season dropped to the second - lowest level since satellite measurements began in 1979, reaching the lowest point in its annual cycle of melt and growth on Sept. 14, according to researchers at the University of Colorado at Boulder's National Snow and Ice Data Center.&raqice extent during the 2008 melt season dropped to the second - lowest level since satellite measurements began in 1979, reaching the lowest point in its annual cycle of melt and growth on Sept. 14, according to researchers at the University of Colorado at Boulder's National Snow and Ice Data Center.&raqIce Data Center.»

Since its inception 8 years ago, the NCAR / CU sea ice pool has easily rivaled much more sophisticated efforts based on statistical methods and physical models to predict the September monthly mean Arctic sea ice extent (e.g. see appendix of Stroeve et al. 2014 in GRL doi: 10.1002 / 2014GL059388; Witness the Arctic article by Hamilton et al. 2014 http://www.arcus.org/witness-the-arctic/2014/2/article/21066).