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Tag: arctic
A generation of emissions takes a toll on Arctic ice
2014-07-24 14:42:38| Climate Ark Climate Change & Global Warming Newsfeed
Daily Climate: A generation ago Jimmy Carter was in the White House, donning sweaters and telling Americans to turn down the thermostat. In the 35 years since, global emissions have almost doubled, from 18 billion metric tons of carbon dioxide a year in 1980 to almost 32 billion in 2011, the latest year available. The impacts are increasingly being felt everywhere -- bigger storms in the Midwest, soggy summers in England, drought in Colorado. But nowhere on the planet are the impacts as dramatic as the Arctic,...
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takes
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As Arctic Ice Melts, Polar Bears Find a New Menu
2014-07-19 20:28:00| Climate Ark Climate Change & Global Warming Newsfeed
Climate Central: Starving polar bears, icon of the climate change movement, may be able to adapt to an ice-free summer season in the Arctic after all. Polar bears have proven adept at finding food on land, according to new findings contradicting earlier research suggesting bears will starve without access to Arctic sea ice. Scientists have long thought that polar bears essentially starve during the summer, living off fat reserves until the sea ice returns and they can venture out to sea to capture their main...
Scientists investigate Arctic sea ice melt with sensors & aquatic robots
2014-07-19 07:01:00| Climate Ark Climate Change & Global Warming Newsfeed
Blue and Green: An international team of scientists have attached sensors to Arctic sea ice to measure this years summer melt in a massive, unprecedented experiment. The study will focus on the so-called marginal ice zone north of Alaska and Canada, the region that lies between the solid Arctic ice and the open water out to sea. Scientists will use the sensors, placed both above and below the ice, to investigate the various impacts that open water can have on sea ice. Open water can, for example, expose...
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As Arctic Ice Shrinks, Can Polar Bears Survive on Land?
2014-07-17 18:06:00| Climate Ark Climate Change & Global Warming Newsfeed
National Geographic: Here's one possible summer menu for polar bears being forced to stay on land due to a lack of reliable sea ice: 60 snow goose egg clutches, 53 goslings, 63 adult geese, 3 caribou calves, and 3 adult caribou. Garnish with berries. Bon appétit. Linda J. Gormezano, an ecologist at the American Museum of Natural History in New York City, isn't a polar bear chef. But she has been figuring out what polar bears might have to eat to survive increasingly long ice-free seasons in the western part of Canada's...
Arctic climate researchers zoom in on plankton
2014-07-17 16:00:00| Climate Ark Climate Change & Global Warming Newsfeed
Alaska Public Media: Theyre not recognizable like polar bears or whales. But phytoplankton are a key part of life in the Arctic and now, theyre at the center of a new research effort to predict how the region will respond to climate change. Almost every animal in the Arctic eats - or eats something that consumes - phytoplankton. Theyre tiny specks of algae that usually blossom into big clouds out in the ocean in the springtime. But thats not what Kevin Arrigo saw a few years back. He was in the Chukchi Sea...
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researchers
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