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Latest Permafrost Stories

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2008-09-03 10:27:29

Greenhouse gas emissions from previously frozen organic carbon in soil are seen as larger than previously believed The thawing of permafrost in northern latitudes, which greatly increases microbial decomposition of carbon compounds in soil, will dominate other effects of warming in the region and could become a major force promoting the release of carbon dioxide and thus further warming, according to a new assessment in the September 2008 issue of BioScience. The study, by Edward A. G. Schuur...

2008-08-08 18:00:21

By Carrie Peyton Dahlberg TOOLIK FIELD STATION, Alaska - Beyond the Arctic Circle, teams of scientists measure widening slumps as ice melts beneath the tundra. They scuff through tussocks blackened by unexpected fires, and search for fish in drought-depleted streams. The researchers are taking the pulse of a warming earth in a landscape supremely adapted to cold, one that may be an early- warning zone for lands far south. "It's not just an Alaska thing," said Syndonia "Donie" Bret-...

2008-08-03 03:00:13

TOOLIK LAKE, Alaska _ Ground here that for tens of thousands of years was frozen solid is terra firma no more. Across the tundra and coast of the Arctic Ocean, land is caving in. Soils loosed by freshly thawed earth set off a new era of rot, and of bloom _ dumping a bonanza of nutrients into a top-of-the-world environment that swirls from months of midnight sun to deep-freeze dark. Will nature channel the nourishment of this soil into a great flowering of plant life that soaks up...

2008-08-01 15:00:28

A melting glacier and flash flooding fears at a Canadian park on Baffin Island forced officials to evacuate tourists and declare much of the area off-limits. The Auyuittuq National Park on the island's northeast coast recently witnessed record-breaking warmth and substantial amounts of rain, Parks Canada spokeswoman Pauline Scott told Canwest News Service. This summer's events are beyond anything we're used to, Scott said from Iqualuit, Nunavut. This is no doubt a result of climate...

2008-08-01 09:00:08

By Alicia Chang Associated Press LOS ANGELES -- The Phoenix spacecraft has tasted Martian water for the first time, scientists reported Thursday. By melting icy soil in one of its lab instruments, the robot confirmed the presence of frozen water lurking below the Martian permafrost. Until now, evidence of ice in Mars' north pole region has been largely circumstantial. In 2002, the orbiting Odyssey spacecraft spied what looked like a reservoir of buried ice. After Phoenix arrived, it...

2008-07-22 09:00:00

TOOLIK LAKE, Alaska -- Scientist Anne Hershey paddled a small inflatable raft across an arctic lake, pausing in her stroke to consider how the melting permafrost caused a landslide of mud and sediment spilling down the bank into the water. Since the bank collapsed two years ago, the water has grown cloudy with sediment, providing scientists a natural laboratory for studying how warmer temperatures may play out in ecosystems far and near. Global air and water temperatures are inching...

2008-07-18 06:00:29

By Carrie Peyton Dahlberg, The Sacramento Bee, Calif. Jul. 18--TOOLIK FIELD STATION, Alaska -- Beyond the Arctic Circle, teams of scientists measure widening slumps as ice melts beneath the tundra. They scuff through tussocks blackened by unexpected fires, and search for fish in drought-depleted streams. The researchers are taking the pulse of a warming Earth in a landscape supremely adapted to cold, one that may be an early-warning zone for lands far south. "It's not just an Alaska...

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2008-06-10 14:35:00

The rate of climate warming over northern Alaska, Canada, and Russia could more than triple during periods of rapid sea ice loss, according to a new study led by the National Center for Atmospheric Research (NCAR). The findings raise concerns about the thawing of permafrost, or permanently frozen soil, and the potential consequences for sensitive ecosystems, human infrastructure, and the release of additional greenhouse gases."Our study suggests that, if sea-ice continues to contract rapidly...

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2008-05-23 13:35:00

Emissions from wetlands around the Arctic may be responsible for higher atmospheric levels of the greenhouse gas methane that were noted last year.Extra amounts of the gas in the Arctic region are of biological origin, according to scientists. For nearly a decade global levels of methane had remained mostly stable.Rising levels in the arctic indicate that some of the methane stored away in permafrost is being released, which would result in major climatic implications.Methane is about 25...

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2008-04-25 00:15:00

Researchers from the National Oceanographic and Atmospheric Administration Earth System Research Laboratory (ESRL) reported new data that shows a higher than usual average increase in carbon dioxide levels over the last 30 years.The recently released report from NOAA scientists is an annual update to the agency's greenhouse gas index, which tracks data from 60 regions around the world. Concentrations may have increased by as much as 0.5% from 2006 to 2007.CO2 levels jumped by 2.4 parts per...


Word of the Day
glogg
  • Scandinavian punch made of claret and aquavit with spices and raisins and orange peel and sugar.
This word comes from the Swedish 'glogg,' which is an alteration of 'glodgat,' mulled (wine).
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