Sentences with phrase «comparing average sea ice extent»

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.

Not exact matches

A composite image shows how the extent of Arctic sea ice in September 2016 compared with a 30 - year average for the month (yellow line).

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).

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.

Again, we are comparing these Outlook values to the September average sea ice extent as provided by NSIDC.

Another way to look at sea ice extent it to compare the current level to long term averages.

It should be recalled that we are comparing these Outlook values to the September average sea ice extent as provided by the National Snow and Ice Data Center (NSIDice extent as provided by the National Snow and Ice Data Center (NSIDIce Data Center (NSIDC).

Satellite data reveal how the new record low Arctic sea ice extent, from Sept. 16, 2012, compares to the average minimum extent over the past 30 years (in yellow).

Figure 2: Arctic sea ice extent, September 2017, compared to the record low year of 2012 and the 1981 - 2010 average.