News tagged with sheet
New CO2 data helps unlock the secrets of Antarctic formation
Space & Earth / Earth Sciences
Sep 13, 2009 |
4.1 / 5 (14) |
6
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.
Greenland's melt mystery unfolds, at glacial pace
Space & Earth / Earth Sciences
Sep 10, 2009 |
3.1 / 5 (8) |
1
(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.
Computer model documents the history of the West Antarctic ice sheet
Space & Earth / Earth Sciences
Aug 28, 2009 |
3.4 / 5 (10) |
3
(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 ...
International Greenland Ice Coring Effort Sets New Drilling Record in 2009
Space & Earth / Earth Sciences
Aug 26, 2009 |
4.5 / 5 (2) |
2
(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 ...
Map Characterizes Active Lakes Below Antarctic Ice (w/ Video)
Space & Earth / Earth Sciences
Aug 25, 2009 |
4 / 5 (6) |
0
(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 ...
Long debate ended over cause, demise of ice ages -- may also help predict future
Space & Earth / Earth Sciences
Aug 06, 2009 |
4.4 / 5 (23) |
63
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 ...
3.2-Million-Year Temperature History from Tiny Fossils
Space & Earth / Earth Sciences
Aug 05, 2009 |
3.8 / 5 (12) |
5
(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 ...
New research provides insight into ice sheet behavior
Space & Earth / Earth Sciences
Jul 20, 2009 |
3 / 5 (4) |
1
(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 ...
Digging for answers to climate change
Space & Earth / Earth Sciences
Jul 19, 2009 |
3.5 / 5 (6) |
2
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 ...
New wonder material, one-atom thick, has scientists abuzz
Nanotechnology / Nanomaterials
Jul 13, 2009 |
4.1 / 5 (34) |
11
Imagine a carbon sheet that's only one atom thick but is stronger than diamond and conducts electricity 100 times faster than the silicon in computer chips. That's graphene, the latest wonder material coming out ...
Nanotubes weigh the atom
Jun 29, 2009 |
5 / 5 (2) |
0
(PhysOrg.com) -- How can you weigh a single atom? European researchers have built an exquisite new device that can do just that. It may ultimately allow scientists to study the progress of chemical reactions, ...
Ice Sheets Can Retreat 'In a Geologic Instant,' Study of Prehistoric Glacier Shows
Space & Earth / Earth Sciences
Jun 21, 2009 |
4.5 / 5 (61) |
20
(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 ...
Sediment yields climate record for past half-million years
Space & Earth / Earth Sciences
Jun 15, 2009 |
4.5 / 5 (10) |
1
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.
Greenland ice sheet larger contributor to sea-level rise
Space & Earth / Earth Sciences
Jun 12, 2009 |
4.4 / 5 (52) |
8
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.
Scientists Return from Expedition to Drill Beneath Frozen Russian Lake
Space & Earth / Earth Sciences
May 28, 2009 |
4.7 / 5 (7) |
0
(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 ...
