News tagged with polar ice sheet
Taking the pulse of an iceberg -- scientists simulate laser imaging for NASA missions
Monitoring glaciers and ice sheets is complicated work. They move and change shape. They melt.
Nov 29, 2011 |
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Watching the birth of an iceberg
(PhysOrg.com) -- After discovering an emerging crack that cuts across the floating ice shelf of Pine Island Glacier in Antarctica, NASA's Operation IceBridge has flown a follow-up mission and made the first-ever ...
Space & Earth / Earth Sciences
Nov 02, 2011 |
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Ethane levels yield information about changes in greenhouse gas emissions
Recent data from NSF-funded research in both Greenland and Antarctica demonstrate that fossil-fuel related emissions of both methane and ethane, two of the most abundant hydrocarbons in the atmosphere, declined ...
Space & Earth / Earth Sciences
Aug 15, 2011 |
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Warming ocean layers will undermine polar ice sheets
Warming of the ocean's subsurface layers will melt underwater portions of the Greenland and Antarctic ice sheets faster than previously thought, according to new University of Arizona-led research. Such melting ...
Space & Earth / Earth Sciences
Jul 03, 2011 |
3.3 / 5 (14) |
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Wheels up for extensive survey of Arctic ice
Researchers and flight crew arrived in Thule, Greenland, on Monday, March 14, for the start of NASA's 2011 Operation IceBridge, an airborne mission to study changes in Arctic polar ice. This year's plans include ...
Space & Earth / Earth Sciences
Mar 15, 2011 |
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Polar ice adding more to rising seas: study
(PhysOrg.com) -- The Greenland and Antarctic ice sheets are losing mass at an accelerating pace, according to a new NASA-funded satellite study. The findings of the study -- the longest to date of changes ...
Space & Earth / Earth Sciences
Mar 09, 2011 |
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First-of-its-kind study finds alarming increase in flow of water into oceans
(PhysOrg.com) -- Freshwater is flowing into Earth's oceans in greater amounts every year, a team of researchers has found, thanks to more frequent and extreme storms linked to global warming. All told, 18 ...
Space & Earth / Earth Sciences
Oct 04, 2010 |
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Strange Martian Spirals Explained
Almost 40 years ago, NASA's Mariner 9 spacecraft relayed to Earth the first video images of Mars' northern polar ice cap, revealing a strange pattern of spiral swirls that has puzzled scientists ever since. ...
Space & Earth / Space Exploration
Jun 16, 2010 |
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Deep in sediments off Antarctica, Stanford scientists find insight into past -- and possible future -- climates
(PhysOrg.com) -- From the Antarctic Ocean, Earth scientist Rob Dunbar blogs about the challenges of drilling ancient deep-sea sediments -- and what he's found in them.
Space & Earth / Earth Sciences
Feb 18, 2010 |
4.3 / 5 (6) |
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Previously Unknown Volcanic Eruption Helped Trigger Cold Decade
(PhysOrg.com) -- A team of chemists from the U.S. and France has found compelling evidence of a previously undocumented large volcanic eruption that occurred exactly 200 years ago, in 1809.
Space & Earth / Earth Sciences
Oct 29, 2009 |
4.3 / 5 (27) |
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New Antarctic seabed sonar images reveal clues to sea-level rise
Motorway-sized troughs and channels carved into Antarctica's continental shelves by glaciers thousands of years ago could help scientists to predict future sea-level rise according to a report in the journal ...
Space & Earth / Earth Sciences
May 05, 2009 |
3.4 / 5 (7) |
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Final frontier: Mission to explore buried ancient Antarctic lake given green light
An international team of scientists led by the UK has been given the go-ahead to explore one of the planet's last great frontiers - an ancient lake hidden deep beneath Antarctica's ice sheet. Buried under ...
Space & Earth / Earth Sciences
Mar 02, 2009 |
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