Sentences with phrase «less ice cover now»

Radiocarbon dates for the mosses suggest the region has less ice cover now than it did 45,000 years ago.

Not exact matches

First you get me started on caramel / chocolate covered matzoh and then every conceivable kind of unimaginably delicious ice creams, and now peanuts made with no less than a cup of sugar.

Summertime sea ice in the Arctic Ocean now routinely covers about 40 percent less area than it did in the late 1970s, when continuous satellite observations began.

Sea ice in the Arctic, on which arctic animals hunt, rest, and reproduce, now covers 15 % less area than it did in 1978; it has thinned to an average of 1.8 meters, compared to 3.1 meters in the 1950s.

Polar bears are one of the most sensitive Arctic marine mammals to climate warming because they spend most of their lives on sea ice.35 Declining sea ice in northern Alaska is associated with smaller bears, probably because of less successful hunting of seals, which are themselves ice - dependent and so are projected to decline with diminishing ice and snow cover.36, 37,38,39 Although bears can give birth to cubs on sea ice, increasing numbers of female bears now come ashore in Alaska in the summer and fall40 and den on land.41 In Hudson Bay, Canada, the most studied population in the Arctic, sea ice is now absent for three weeks longer than just a few decades ago, resulting in less body fat, reduced survival of both the youngest and oldest bears, 42 and a population now estimated to be in decline43 and projected to be in jeopardy.44 Similar polar bear population declines are projected for the Beaufort Sea region.45

A 1C warming now would allow for a lot less plant growth then a 1C warming when the world is half covered with ice.

The extent of Arctic sea ice at the peak of the summer melt season now typically covers 40 percent less area than it did in the late 1970s and early 1980s.