Sentences with phrase «sea ice extent for»

Monthly mean sea ice extent for the month of July from 1979 through 2011 based on the NASA Team sea ice algorithm.

According to the National Snow and Ice Data Center (NSIDC), arctic sea ice extent for June 2011 was the second lowest in the satellite data record since 1979.

The National Snow and Ice Data Center released an update noting that Arctic sea ice extent for June 2011 was the second lowest in the satellite record since 1979.

The graph of daily sea ice extent for the Northern Hemisphere shows ice extent in the current year, the 1981 to 2010 average, and the year with record low ice extent, (currently 2012).

«Dr. Amstrup, however, said that according to the National Snow and Ice Data Center, the average September sea ice extent for the years 2007 to 2017 was 4.5 million square kilometers, «nowhere near the low levels projected it would be by the middle of the century.»

Average sea ice extent for July 2011 was 3.06 million square miles, 81,000 square miles lower than the previous record low, set in July 2007.

Sea ice extent for early July (Figure 4) shows not only anomalous open water areas in Baffin Bay, Hudson Bay, Kara Sea, and north of the Barents Sea, but also substantial open water areas within the central sea ice pack west of Banks Island and northeast of the New Siberian Islands.

Arctic sea ice extent for July averaged 8.13 million square kilometers (3.14 million square miles), the third lowest July extent in the satellite record.

The average sea ice extent for the month of September was 4.28 million square kilometers (1.65 million square miles), the lowest September on record, shattering the previous record for the month, set in 2005, by 23 percent (see Figure 1).

Figure 5: Arctic sea ice extent for September 2017 according to HadISST1.2, compared to an extrapolation from the long - term linear trend and predictions submitted to the three SIPN reports.

Arctic sea ice extent for September 2017 was the 7th lowest in the satellite era.

«Arctic sea ice extent for March 2014 averaged... 5.70 million square miles.

Together the eight ensemble statistical forecasts predict 5.32 million square km of pan-Arctic sea ice extent for September 2014.

And though 500,000 square kilometers is not an insignificant figure, it bears repeating that the total Arctic sea ice extent for the month of February was 14.8 million square kilometers.

I forecast increased sea ice extent for summers 2013 & 14 as I knew the NAO would be more positive.

Likewise the end - March (late summer) sea ice extent for the Antarctic is the «minimum» for the year there — this has grown steadily since 1979, but there is not much talk about this from Serreze.

Also in January, the Arctic averaged a stunning 13.5 degrees Fahrenheit above average temperatures, which led to a new record low of Arctic sea ice extent for the month.

Jonathan Bamber, director of the Bristol Glaciology Centre at the University of Bristol, UK, says: «We have already seen an unusually early start to melting around the margins of Greenland in 2016 and the new findings from NSIDC of exceptionally low sea ice extent for May and the lowest Northern Hemisphere snow cover in April for 50 years is in line with the longer - term, decadal trends for the Arctic as a whole,» said

The prediction is initialised with the mean of the observed sea ice extent for September 2009 - 2013 and an ensemble prediction is created simply by adding all of the observed changes in the sea ice extent record from one September to the next over the historical period 1979 - 2013.

Distributions of Outlook estimates for September 2010 arctic sea ice extent for the July report (based on June data).

In combination with the low Arctic sea ice extent for November, this produced a remarkably low global sea ice total.

Sea ice extent for September 2007 was 4.3 million square kilometers — a reduction of more than 40 % from the 1980s and a rapid decline to more than 20 % below the previous record minimum.

However, the increase in sea ice extent for 2009 does not exceed past interannual variability in a near - continuous, 30 - year downward trend in summer sea ice extent.

Distributions of Outlook estimates for September 2012 arctic sea ice extent for the June report (based on May data).

Antarctic sea ice extent for October 2016 was 17.6 million square kilometers (6.8 million square miles).

According to the National Snow and Ice Data Center (NSIDC), the arctic sea ice extent for July 2012 was the second lowest in the satellite record behind 2011; the ice extent recorded for August 1st of 6.5 million square kilometers is the lowest in the satellite record.

Figure 1: This image compares the average sea ice extent for September 2007 to September 2005; the magenta line indicates the long - term median from 1979 to 2000.

The average Arctic sea ice extent for December was 4.67 million square miles, according to analysis by the National Snow and Ice Data Center based on data from NOAA and NASA.

Sea ice extent for the beginning of June 2011, relative to climatology (1979 — 2000 median, denoted by the orange line).

Seagoing communities have documented sea ice extent for centuries.

Sea ice extent for the beginning of June 2010, relative to climatology (1979 — 2000 median) in orange.

Unprecedented warm temperatures lead to the loss of more than half of the sea ice cover in the Bering Sea in two weeks, resulting in record lows for Arctic Ocean sea ice extent for the month of February.

Sea ice extent for 20 July 2010, relative to climatology (1979 — 2000 median) in orange.

Total sea ice extent for the previous three months was near or below the level of 2007, the year with the lowest minimum summer ice extent during the satellite record.

Furthermore, those 6 models failed to accurately simulate observed sea ice extent for individual Arctic basins.

The figure below shows the average Arctic sea ice extent for each week of the year for every year between 1978 and 2017.

The yellow outline is the median minimum sea ice extent for 1979 — 2000; that is, areas that were at least 15 percent ice - covered in at least half the years between 1979 and 2000.

But even more interesting is the GLOBAL (Arctic + Antarctic) sea ice extent for the latest month (end - February).

According to the NSIDC the Arctic sea ice extent for January 2016 was 90,000 square kilometers smaller than the previous record - low January ice extent, of 2011.

I have downloaded the HADISST ice data and computed sea ice extent for both the arctic and antarctic (based on 15 % concentration to be consistent with NSIDC data from the satellite era).

They provide estimates of sea ice extent for the last 140 years.

For anyone else interested (and please correct me if I get this wrong, Judy) the reduction of sea ice extent for September is more pronounced than any other month over the last ~ 30 years.

There has been a lot of discussion over the past few years on the use of sea ice volume as a better index than sea ice extent for use in Outlooks.

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.

Sea ice extent for September for 2007 was by far the lowest on record at 4.28 million square kilometers, eclipsing the previous record low sea ice extent by 23 %.»

The average Arctic sea ice extent for December was 4.67 million square miles, according to analysis by the National Snow and Ice Data Center based on data from NOAA and NASA.

With that type of mild weather, it's not surprising that January also had a record low sea ice extent for the month.

The average Arctic sea ice extent for October 2016 was 980,000 square miles (28.5 percent) below the 1981 — 2010 average, according to analysis by the National Snow and Ice Data Center using data from NOAA and NASA.

The average Arctic sea ice extent for November 2016 was 750,000 square miles (17.7 percent) below the 1981 — 2010 average, according to analysis by the National Snow and Ice Data Center using data from NOAA and NASA.

Arctic sea ice extent for February 2018 averaged 13.95 million square kilometers (5.39 million square miles).