Sentences with phrase «winter ice cover»

Krill densities are down almost 80 %, largely due to climate change reducing winter ice cover in this fast - warming region.

Their interest was in the microbiology of the seasonal winter ice covering high mountain lakes.

The Arctic winter ice cover is now decreasing alarmingly quickly.

Overall, winter ice cover has declined 71 percent from 1973 - 2010 as air and water temperatures have warmed considerably over that period.

Comiso reported for the first time that even the winter ice cover in the Arctic Ocean shrank by 6 percent in 2005 and again in 2006.

The past six years have produced the six lowest maximums in that record, and the new data show that the percentage of older, thicker and more persistent ice shrank to its lowest level ever, at just 9.8 percent of the winter ice cover.