News tagged with sheet
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 ...
Melting threat from West Antarctic Ice Sheet less than previously believed
Space & Earth / Earth Sciences
May 14, 2009 |
4.2 / 5 (14) |
9
(PhysOrg.com) -- While a total or partial collapse of the West Antarctic Ice Sheet as a result of warming would not raise global sea levels as high as some predict, levels on the U.S. seaboards would rise 25 percent more ...
New Antarctic seabed sonar images reveal clues to sea-level rise
Space & Earth / Earth Sciences
May 05, 2009 |
3.4 / 5 (7) |
0
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 ...
Tahiti corals clue to 'dynamic' glaciers
Space & Earth / Earth Sciences
Apr 24, 2009 |
5 / 5 (4) |
6
(PhysOrg.com) -- Fossilised corals from tropical Tahiti show that the behaviour of ice sheets is much more volatile and dynamic than previously thought, a team led by Oxford University scientists has found.
Catastrophic sea levels 'distinct possibility' this century: study
Space & Earth / Earth Sciences
Apr 15, 2009 |
4.4 / 5 (90) |
25
A breakthrough study of fluctuations in sea levels the last time Earth was between ice ages, as it is now, shows that oceans rose some three meters in only decades due to collapsing ice sheets.
NASA flies to Greenland to extend polar science
Space & Earth / Earth Sciences
Mar 31, 2009 |
2.5 / 5 (2) |
0
Imagine a piece of ice 1,000 miles long, 400 miles wide, and 2 miles thick in the center. That's the Greenland ice sheet. But that island-sized piece of ice is melting, so NASA researchers are flying to the ...
Dust may settle unanswered questions on Antarctica
Space & Earth / Earth Sciences
Mar 29, 2009 |
4.8 / 5 (13) |
8
Dust trapped deep in Antarctic ice sheets is helping scientists unravel details of past climate change.
Linking Climate Change in Siberia and Britain
Space & Earth / Earth Sciences
Mar 23, 2009 |
3.3 / 5 (14) |
1
(PhysOrg.com) -- Scientists have for first time demonstrated a critical link between the Siberian climate and the circulation of the major current system which gives us our mild winters here in the UK. This new understanding ...
West Antarctic ice comes and goes, rapidly
Space & Earth / Earth Sciences
Mar 18, 2009 |
4.3 / 5 (16) |
8
Researchers today worry about the collapse of West Antarctic ice shelves and loss of the West Antarctic ice sheet, but little is known about the past movements of this ice. Now climatologists from Penn State ...
Robot sub searches for signs of melting 60 km into an Antarctic ice shelf cavity
Space & Earth / Earth Sciences
Mar 17, 2009 |
4.5 / 5 (4) |
1
Autosub, a robot submarine built and developed by the UK's National Oceanography Centre, Southampton, has successfully completed a high-risk campaign of six missions travelling under an Antarctic glacier.
Rising sea levels set to have major impacts around the world
Mar 10, 2009 |
2.6 / 5 (14) |
2
Research presented today at the International Scientific Congress on Climate Change in Copenhagen shows that the upper range of sea level rise by 2100 could be in the range of about one meter, or possibly more. In the lower ...
Final frontier: Mission to explore buried ancient Antarctic lake given green light
Space & Earth / Earth Sciences
Mar 02, 2009 |
5 / 5 (7) |
0
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 ...
