Sentences with phrase «sea ice extent currently»

Documented decreases of Arctic sea ice extent currently exceed 8 percent per decade and appear to be accelerating.

However, a large percentage increase in a small number may not amount to a meaningful increase; sea ice extent currently remains well below the 1981 to 2010 average.

Not exact matches

The annual average extent of Arctic sea ice is currently declining at about half a million square kilometres per decade — equivalent to about twice the area of the UK.

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.

Currently (as of July 19), the extent is within 600,000 km2 of that in 2012 and the ice cover has become diffuse (low ice concentrations) within the Beaufort Sea (Figure 10).

bozzza @ 424, For one theory see: http://forum.arctic-sea-ice.net/index.php/topic,724.msg60178.html#msg60178 I believe that the current downward fluctuation in Antarctic Sea Ice Extent if likely associated with the influence of our currently strong El Nino on the average location of the Amundsen Bellingshausen Sea Low.

However, since August 26, total sea ice extent is already lower than at the same time in 2007 and is currently tracking as the second lowest daily extent on record.

Currently, we are in a period of global cooling and «Arctic sea ice extent... for April 2010 was the largest for that month in the past decade.»

It is clear that these passages have been more open than today during certain periods of the past and also more closed during other periods, IOW the currently observed retreat of multi-year Arctic sea ice extent is nothing unusual or unprecedented.

However, currently both modern and paleo data - model intercomparisons display large differences in sea - ice extent and trends.

Based on the Kinnard results, Arctic sea ice extent is currently lower than at any time in the past 1,450 years.

Antarctic sea ice extent is currently at an all time high, and has many scientists scratching their heads.

As of 13 August, «Sea ice extent is currently tracking at 5.4 million square kilometers (2.1 million square miles), with daily extents running at 940,000 square kilometers (361,000 square miles) below previous daily record lows, a significant decline from past years.»

The Antarctic sea ice extent is currently 1 million square km greater than the 1979 to 2000 mean.

A report published online by World Climate Report for the science and public policity institute says there exist historic observations, as well as currently active research efforts, that strongly indicate that there was a large sea - ice extent decline from about the mid-1920s to the mid-1940s.

Currently, Arcitc sea ice is at record low extent, and Antarctic sea ice extent is at a record high extent.

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).

This could explain why this year the growth of the Antarctic sea ice cover, which currently is headed toward its yearly maximum extent and was at much higher than normal levels throughout much of the first half of 2015, dipped below normal levels in mid-August.