Posts Tagged ‘sea ice’
Autumn predicts fate of summer sea ice
U. WASHINGTON (US) — Relatively accurate predictions for the extent of Arctic sea ice in a given summer can be made by assessing conditions the previous autumn—but only to a point. Continue…
Tuesday, October 4, 2011 10:42 - 0 Comments
Earth & Environment - Sep 19, 2011 11:51 - 1 Comment
Downward slide for arctic sea ice
U. COLORADO-BOULDER (US) — The blanket of sea ice that floats on the Arctic Ocean appears to have reached its lowest extent for 2011, the second lowest recorded since satellites began measuring it in 1979. (more…)
Earth & Environment - Aug 23, 2011 10:34 - 1 Comment
Polar sea ice: Down but not out
U. WASHINGTON (US) — Polar sea ice can recover from even the harshest period of climate-induced melting as long as the planet cools again, according to a new study. (more…)
Earth & Environment - Aug 9, 2011 16:40 - 1 Comment
Tsunami shears off icebergs in Antarctica
U. CHICAGO (US) — Scientists have observed for the first time the power of a tsunami to break off large icebergs—in this case, the chunks of ice together equaled about two times the surface area of Manhattan. (more…)
Science & Technology - May 2, 2011 12:23 - 0 Comments
Whale mob: All-U-can-eat krill
DUKE (US) — Scientists observed more than 300 humpback whales gorging on the largest swarm of krill seen in more than 20 years in bays along the Western Antarctic Peninsula. (more…)
Top Stories - Mar 8, 2011 11:22 - 0 Comments
Algae spew mucus to alter sea ice
U. WASHINGTON-SEATTLE (US) — The discovery that sea-ice algae release mucus to create microchannels raises questions about the long-term effects on the ice and on animals up the food chain. (more…)
Earth & Environment - Jan 20, 2011 12:07 - 4 Comments
Less snow leads to hotter planet
U. MICHIGAN (US) — Decreases in the Earth’s snow and ice cover have exacerbated global warming more than previously thought, according to a new study. (more…)
Earth & Environment - Dec 21, 2010 9:05 - 2 Comments
Polar bears’ ice not so thin after all
U. WASHINGTON (US) — The fate of polar bear may not be as grim as previously thought. (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…)
Earth & Environment - Dec 10, 2010 12:18 - 4 Comments
4 degrees could displace millions
U. SOUTHAMPTON (UK) — Sea levels can be expected to rise from between .5m and 2m by 2100 if temperatures see a warming of 4°C, according to new research. (more…)
Earth & Environment - Apr 29, 2010 21:37 - 3 Comments
Massive ice loss has sea levels rising
U. LEEDS (UK)—The loss of floating ice in the polar oceans each year—equivalent to 1.5 million Titanic-size icebergs—is causing sea levels to rise. (more…)
Earth & Environment - Feb 11, 2010 13:40 - 0 Comments
Arctic snow reveals mercury’s ‘fingerprint’
U. MICHIGAN (US)—Mercury deposited onto Arctic snow from the atmosphere takes on a life of its own as it is picked up by microorganisms that then build up in fish and animals that eat them. (more…)
Earth & Environment - Feb 10, 2010 15:59 - 0 Comments
Climate ‘tipping points’ prove unpredictable
UC DAVIS (US)—Sudden shifts in Earth’s natural systems may be harder to foresee than previously thought, worrying scientists trying to identify dramatic global climate changes before they occur. (more…)
Earth & Environment - Dec 9, 2009 11:16 - 1 Comment
Mercury may threaten polar bears
U. MICHIGAN (US)—As concerns grow about the effect melting sea ice may have on polar bears, scientists say there may be another danger lurking—mercury pollution. (more…)
Earth & Environment - Oct 7, 2009 10:52 - 5 Comments
Arctic sea ice’s downward trend continues
U. COLORADO (US)—Despite a slight recovery in 2009—from record-setting low years in 2007 and 2008—the summer Arctic sea ice extent remains significantly below previous years, continuing a trend toward ice-free Arctic summers. (more…)
