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News tagged with ice sheet

Related topics: climate change , glaciers , sea level rise , sea level , ice

New CO2 data helps unlock the secrets of Antarctic formation

The link between declining CO2 levels in the earth's atmosphere and the formation of the Antarctic ice caps some 34 million years ago has been confirmed for the first time in a major research study.

Space & Earth / Earth Sciences

created Sep 13, 2009 | popularity 4.1 / 5 (15) | comments 6

Greenland's melt mystery unfolds, at glacial pace

(AP) -- Suddenly and without warning, the gigantic river of ice sped up, causing it to spit icebergs ever faster into the ocean off southeastern Greenland.

Space & Earth / Earth Sciences

created Sep 10, 2009 | popularity 3.1 / 5 (8) | comments 1

Computer model documents the history of the West Antarctic ice sheet

(PhysOrg.com) -- One major threat of planetary warming is the melting of the great polar ice sheets, and the resulting rise in global sea level. Particularly worrisome to researchers is the fragility of the ...

Space & Earth / Earth Sciences

created Aug 28, 2009 | popularity 3.4 / 5 (10) | comments 3

International Greenland Ice Coring Effort Sets New Drilling Record in 2009

(PhysOrg.com) -- A new international research effort on the Greenland ice sheet with the University of Colorado at Boulder as the lead U.S. institution set a record for single-season deep ice-core drilling ...

Space & Earth / Earth Sciences

created Aug 26, 2009 | popularity 3.7 / 5 (3) | comments 2

Map Characterizes Active Lakes Below Antarctic Ice (w/ Video)

(PhysOrg.com) -- Lakes in Antarctica, concealed under miles of ice, require scientists to come up with creative ways to identify and analyze these hidden features. Now, researchers using space-based lasers ...

Space & Earth / Earth Sciences

created Aug 25, 2009 | popularity 4 / 5 (6) | comments 0

Long debate ended over cause, demise of ice ages -- may also help predict future

Researchers have largely put to rest a long debate on the underlying mechanism that has caused periodic ice ages on Earth for the past 2.5 million years - they are ultimately linked to slight shifts in solar radiation caused ...

Space & Earth / Earth Sciences

created Aug 06, 2009 | popularity 4.5 / 5 (24) | comments 63

3.2-Million-Year Temperature History from Tiny Fossils

(PhysOrg.com) -- People often talk about greenhouse gases and their effect on the earth's climate as if those effects were new. But greenhouse gases have been around for hundreds of millennia, playing a key ...

Space & Earth / Earth Sciences

created Aug 05, 2009 | popularity 3.8 / 5 (12) | comments 5

New predictions for sea level rise

Fossil coral data and temperature records derived from ice-core measurements have been used to place better constraints on future sea level rise, and to test sea level projections.

Space & Earth / Earth Sciences

created Jul 27, 2009 | popularity 4.1 / 5 (25) | comments 12

New research provides insight into ice sheet behavior

(PhysOrg.com) -- A new study published this week takes scientists a step further in their quest to understand how Antarctica's vast glaciers will contribute to future sea-level rise. Reporting in the journal ...

Space & Earth / Earth Sciences

created Jul 20, 2009 | popularity 3 / 5 (4) | comments 1

Digging for answers to climate change

Forty miles off the Jersey Shore, an international team of scientists is grappling with a worrisome phenomenon: The oceans are slowly rising. The researchers are not studying the sea itself. Living for weeks at a time on ...

Space & Earth / Earth Sciences

created Jul 19, 2009 | popularity 3.5 / 5 (6) | comments 2

Seals quickly respond to gain and loss of habitat under climate change

Southern Elephant seals responded rapidly to climate and habitat change and established a new breeding site thousands of kilometres from existing breeding grounds, according to new research.

Biology / Ecology

created Jul 10, 2009 | popularity 4 / 5 (2) | comments 2

Ice Sheets Can Retreat 'In a Geologic Instant,' Study of Prehistoric Glacier Shows

(PhysOrg.com) -- Modern glaciers, such as those making up the Greenland and Antarctic ice sheets, are capable of undergoing periods of rapid shrinkage or retreat, according to new findings by paleoclimatologists ...

Space & Earth / Earth Sciences

created Jun 21, 2009 | popularity 4.5 / 5 (62) | comments 20

Sediment yields climate record for past half-million years

Researchers here have used sediment from the deep ocean bottom to reconstruct a record of ancient climate that dates back more than the last half-million years.

Space & Earth / Earth Sciences

created Jun 15, 2009 | popularity 4.5 / 5 (10) | comments 1

Greenland ice sheet larger contributor to sea-level rise

The Greenland ice sheet is melting faster than expected according to a new study led by a University of Alaska Fairbanks researcher and published in the journal Hydrological Processes.

Space & Earth / Earth Sciences

created Jun 12, 2009 | popularity 4.4 / 5 (52) | comments 8

Scientists Return from Expedition to Drill Beneath Frozen Russian Lake

(PhysOrg.com) -- A team of scientists from the United States, Germany, Russia and Austria has just returned from a six-month drilling expedition to a frozen lake in Siberia: Lake El'gygytgyn, "Lake E" for ...

Space & Earth / Earth Sciences

created May 28, 2009 | popularity 4.7 / 5 (7) | comments 0