Posts Tagged ‘Alaska’
Thawing Arctic keeps its grip on carbon
UC SANTA BARBARA (US) — The Arctic has warmed up over the last twenty years, but researchers find that the amount of carbon trapped in the soil remains steady. Continue…
Tuesday, May 21, 2013 11:02 - 2 Comments
Earth & Environment - Mar 4, 2013 6:57 - 1 Comment
Melting permafrost may double greenhouse gas
UNC-CHAPEL HILL (US) — Bacteria munching on sun-baked carbon exposed by melting permafrost are converting 40 percent more carbon into greenhouse gasses. (more…)
Earth & Environment - Jan 22, 2013 12:52 - 0 Comments
Salmon boom and bust in extra-long cycles
U. WASHINGTON (US) — Scientists have known that salmon runs vary by year and by decade, but new research reveals huge cycles in stocks that last up to 200 years. (more…)
Science & Technology - Nov 15, 2011 10:55 - 1 Comment
Alaskan dig turns up ancient ‘buckle’
U. COLORADO-BOULDER (US) — A small prehistoric buckle-like object that likely originated in East Asia has been found in an ancient Eskimo dwelling in Alaska. (more…)
Earth & Environment - Aug 1, 2011 10:57 - 2 Comments
Tundra fires may speed climate change
U. FLORIDA (US) — After a 10,000-year absence, wildfires have returned to the Arctic tundra, and new findings raise concerns the fires could accelerate the release of carbon into the atmosphere. (more…)
Science & Technology - Dec 14, 2010 20:50 - 0 Comments
Unmanned drones track Arctic seals
U. COLORADO (US) — Cameras mounted on unmanned aircraft flying over the Arctic are doing double duty by assessing declining sea ice and pinpointing seals that have hauled up on ice floes. (more…)
Science & Technology - Feb 26, 2010 11:38 - 4 Comments
Genomes tell ‘fishy’ story of adaptation
U. OREGON (US)—Twenty billion pieces of DNA in 100 small fish have led biologists to an eye-opening discovery about evolution. (more…)
Earth & Environment - Dec 15, 2009 16:39 - 0 Comments
‘Triple whammy’ takes toll on Arctic erosion
U. COLORADO (US)—The combined effect of declining sea ice, warming seawater, and increased wave activity is causing the northern coastline of Alaska to erode by up to one-third the length of a football field each year. (more…)
