Sentences with phrase «thinning polar sea»
Meanwhile, they said in interviews and in the summary, evidence of increasing warming has shown up in retreating glaciers, thinning polar sea ice, retreating snow packs, warmer nights, and elsewhere.
https://www.nytimes.com/ Not exact matches
It has also decreased the amount of the oldest, thickest Arctic sea ice, leaving polar waters dominated by thinner ice that forms in the fall and melts in the summer.
Rising polar temperatures caused the average thickness of winter Arctic sea ice to decrease from about 12 feet to 6 feet between 1978 and 2008, and thinner ice melts more readily.
Thinner sea ice is getting pushed farther by Arctic winds, which makes polar bears walk more to stay in the same place, increasing their need for food.
Because they depend on sea ice to hunt seals, the polar bear is considered threatened as global warming melts and thins ice in this region.
This change speed is dizzying us in the Arctic, even snow buntings come back very early this spring, and polar bears are seen on the thin enough sea ice for seals at the North Pole.
So the north polar sea ice has been steadily thinning in depth and shrinking in area for more than 30 years.
Presenting a thin veneer of objectivity, he quotes polar bear researcher Ian Stirling who suggested that Nicklen's photo shows a bear that most likely, but not certainly, died as a result of starvation related to sea ice melt.
As Arctic sea ice thins, so do polar bears (Chicago Tribune, 1 February 2018) http://www.chicagotribune.com/news/nationworld/science/ct-polar-bears-climate-change-20180201-story.html
As examples, a reduced and thinning ice cover will disadvantage polar bears, while sea otters will have new habitats; communities on new shipping routes will grow while those built on permafrost will have difficulties.
Susan Crockford is a polar bear expert with a message that climate alarmists don't want to hear: polar bear populations are thriving and are certainly in no danger from thinning summer sea ice supposedly caused by «man - made global warming.»
As sea ice thins, and becomes more fractured and labile, it is likely to move more in response to winds and currents so that polar bears will need to walk or swim more and thus use greater amounts of energy to maintain contact with the remaining preferred habitats.