Sentences with phrase «recent melt seasons»
Meanwhile, up in the Arctic, distressing new information from the US National Snow and Ice Data Center in Boulder, Colorado, shows that Arctic sea ice extent has settled to its fourth - lowest level ever measured at the end of the most recent melt season.
http://www.truth-out.org/ Not exact matches
Here's a snapshot of the 2012 melt season (with the small crosses denoting recent daily values), compared to the previous five years.
Using this approach and taking into consideration that the survivability of ice during the summer melt season has changed in recent years, gives us an average estimate of 4.59 106km2, using ice survival rates from the last 5 summers.
Recent changes in Arctic sea ice melt onset, freeze - up, and melt season length.
Recent changes in the Arctic melt season.
Well, it nearly * tripled * from mid February to late March, yet never reached above about 65 % of average at any point this season (and recent record warmth has already triggered melting; the snowpack is already back down to 55 % of average for the date).
While the 2010 melt season started with more multi-year ice (MYI) in the Beaufort and Chukchi seas than seen in recent years and an overall greater percentage of MYI arctic - wide, by the end of August nearly all of this MYI had melted out or ice concentration had fallen below 40 %.
The most recent data from ice mass balance buoys in Storfjroden, Svalbard and on iceberg - fast ice in Fram Strait show that the melt season has started.
Higher spring and summer temperatures, along with an earlier spring melt, are also the primary factors driving the increasing frequency of large wildfires and lengthening the fire season in the western U.S. over recent decades.13 The record - breaking fires this year in the Southwest and Rocky Mountain Region are consistent with these trends.