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Topic: Abbot Ice Shelf


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In the News (Mon 6 Jul 09)

  
  Ice shelf - Wikipedia, the free encyclopedia
The boundary between floating ice shelf and the grounded (resting on bedrock) ice that feeds it is called the grounding line.
Ice shelves flow by gravity-driven horizontal spreading on the ocean surface.
The primary mechanism of mass loss from ice shelves is iceberg calving, in which a chunk of ice breaks off from the seaward front of the shelf.
en.wikipedia.org /wiki/Ice_shelf   (463 words)

  
 [No title]   (Site not responding. Last check: 2007-10-08)
The peak rate of ice shelf thinning occurred towards the centre of Pine Island Bay with smaller rates to the east and west, in line with that of the grounded tributary glaciers.
A coherent pattern of ice shelf lowering was apparent, with the peak rate occurring at the Crosson Ice Shelf towards the centre of the Pine Island Bay, and smaller rates to the east and west of this location.
Although the lowering rates of the Abbot and Getz ice shelves at the margins of our study area were comparable to the variability of their elevation trends, the rates at other ice shelves were up to 10 times greater, and the geographical distribution suggests that AS ice shelf elevation changes are in some way related.
igloo.gsfc.nasa.gov /wais/pastmeetings/abstracts03/Shepherd_oral.html   (650 words)

  
 The Schwartz Report
The relationship between glaciers (essentially frozen rivers) and ice shelves (thick plates of ice protruding from the land and floating on the ocean) is complicated and not fully understood.
In 1995, for instance, the Larsen A ice shelf disintegrated, followed in 1998 by the collapse of the nearby Wilkins ice shelf.
"Ice is thinning at the rate of tens of meters per year" on the peninsula, with glacier elevations in some places having dropped by as much as 124 feet in six months, the study found.
www.schwartzreport.net /showarticle.php?id=208   (1634 words)

  
 Spartanburg SC | GoUpstate.com | Spartanburg Herald-Journal
Nearly all of Antarctica is covered by an ice sheet that is, on average, 2.5 kilometres thick.
Because ice flows, albeit slowly, the ice within the ice sheet is younger than the age of the sheet itself.
The George VI Ice Shelf, which may be on the brink of instability [2], has probably existed for approximately 8000 years, after melting 1500 years earlier [3].
www.goupstate.com /apps/pbcs.dll/section?category=NEWS&template=wiki&text=climate_of_Antarctica   (1177 words)

  
 Glacial Geomorphic Features on the Antarctic Continental Shelf and Correlation to Substrate: Implications for Behavior ...   (Site not responding. Last check: 2007-10-08)
A coast-parallel trough extends along the inner shelf, whereas the outer shelf is occupied by troughs oriented offshore.
Based on the extent of the trough and glacial grooves, it is apparent that the ice sheet extended to the shelf break.
Where crystalline bedrock is the substrate, ice tended to follow the structural grain of the bedrock and carved deep troughs.
igloo.gsfc.nasa.gov /wais/pastmeetings/abstracts00/Wellner.htm   (731 words)

  
 On River-On Line: A Labrador Odyssey: About Labrador
Ice that is bubble free has a blue tint which is due to the same light phenomenon that tints the sky.
The ice is blue because of the natural light scattering characteristics of pure ice.
Since glacier ice is formed from falling snow and snow results from condensed water vapor in the atmosphere, the water from icebergs is quite pure.
slam.canoe.ca /labrador2001/labrador_icebergs.html   (2091 words)

  
 Ice shelf - MarkovPedia, the future encyclopedia
Typically, a coastline has ice shelf and melting from the region, although there is added to 1000 meters.
Crosson Ice shelves are attached to seaward front of ice shelf and onto the Australian Antarctic ice shelf.
Greenlandic ice is iceberg calving, in Antarctica, Greenland and sea ice
www.markovpedia.com /Ice_shelf   (213 words)

  
 Fireplace Mantel Shelf
Continental shelf - The continental shelf is the extended perimeter of each continent, which is covered during interglacial periods such as the current epoch by relatively shallow seas (known as shelf seas) and gulfs.
The shelf usually ends at a point of increasing slope (called the shelf break).
Abbot Ice Shelf - The Abbot Ice Shelf () is an ice shelf 400 km (250 mi) long and 64 km (40 mi) wide, bordering Eights Coast from Cape Waite to Phrogner Point.
fireplace.vvvvvv3.com /fireplacemantelshelf.html   (616 words)

  
 Antarctica - Free net encyclopedia   (Site not responding. Last check: 2007-10-08)
With 98% of it covered in ice, Antarctica, at 14 million km², is the third-smallest continent (after Europe and Australia).
The ice sheet is, on average, 2.5 kilometers (1.6 miles) thick.
Glaciologists in Antarctica are concerned with the study of the history and dynamics of floating ice, seasonal snow, glaciers, and ice sheets.
www.netipedia.com /index.php/Antarctica   (4631 words)

  
 Warmer Antarctica at risk - Health & Science - International Herald Tribune
OVER THE ABBOTT ICE SHELF, Antarctica From an airplane at 150 meters, all that is visible here is a vast white emptiness.
But scientists compare the spot where the "tongue" of a glacier flows to the sea in the form of an ice shelf to a cork in a bottle.
"Ice is thinning at the rate of tens of meters per year" on the peninsula, the study found, with glacier elevations in some places having dropped by as much as 38 meters, in six months.
www.iht.com /articles/2005/01/26/healthscience/snice.php   (1059 words)

  
 h22g in fm99
Because the differential velocity between the ice stream and the lateral interior ice sheet is large, the margins of ice streams are often heavily crevassed.
Deceleration is strongest within the central region of the ice plain at rates of one to two percent per year and weakest at the lateral edge of the ice plain where deceleration values are less than one percent per year.
As a result of the surface bulge at the head of ice stream C and the "down-drawn" area at the head of adjacent ice stream tributary B2, surface slopes upstream of ridge B/C are steep and oriented entirely towards B2.
www.agu.org /cgi-bin/SFgate/SFgate?&listenv=table&multiple=1&range=1&directget=1&application=fm99&database=/data/epubs/wais/indexes/fm99/fm99&maxhits=200&="H22G"   (3830 words)

  
 Geography Site: Glaciers - Odd Facts
Large sections of the Greenland ice sheet (12% of the world's ice)appear to be sliding towards the sea.
In 1987 an iceberg with an area of 6350 square kilometres broke from the Ross ice shelf.
Ice is collected and sold as bottled water and used in the production of vodka.
www.geography-site.co.uk /pages/physical/glaciers/facts.html   (1561 words)

  
 ANTARCTICA : Encyclopedia Entry   (Site not responding. Last check: 2007-10-08)
The ice sheet is, on average, 2.5 kilometers (1.6 miles) thick.
In most of the interior of the continent precipitation is very low, down to 20 mm/yr; in a few "blue ice" areas precipitation is lower than mass loss by sublimation and so the local mass balance is negative.
This map does not consider that sea level would rise because of the melted ice, nor that the landmass would rise by several hundred meters over a few tens of thousands of years after the weight of the ice was no longer depressing the landmass.
bibleocean.com /OmniDefinition/Antarctica   (4987 words)

  
 [No title]
Since 2002, when the Larsen B ice shelf broke away from the coast of the Antarctic Peninsula, scientists have witnessed profound increases in the flow of nearby glaciers into the Weddell Sea.
Researchers have suspected loss of Arctic sea ice may be caused by changing atmospheric pressure patterns over the Arctic that move sea ice around, and by warming Arctic temperatures that result from greenhouse gas buildup in the atmosphere....
As the ice caps melted after the most recent ice age, their weight was removed from the poles - the poles were rising back to their original position after millennia under pressure.
www.lhs.berkeley.edu /GSS/uptodate/2cc/2cc_2.html   (2307 words)

  
 Bokjungelen
Cold though it may be, the continent is a hotbed of scientific research and a growing tourist destination.
Designated since 1959 as a natural reserve devoted to peace and research, Antarctica is host to scientists working on everything from the origin of fl holes to climate change to understanding the movements of icebergs the size of Delaware.
Antarctica: An Encyclopedia from Abbot Ice Shelf to Zooplankton covers the natural wonders, wildlife, explorers, adventurers and discoveries that have been made at the bottom of the world.
www.datajungelen.no /Bokjungelen/reise.html   (1375 words)

  
 Geography of Antarctica - Wikipedia:WikiProject Missing encyclopedic articles/Antarctica/R3   (Site not responding. Last check: 2007-10-08)
It is bounded on the west by the base of Antarctic Peninsula and Ellsworth Land, and on the east by Berkner Island.
He named it "Lassiter Shelf Ice" and gave the name "Edith Ronne Land" to the land presumed to lie south of it.
The recommendation is on the basis of first sighting and exploration of the ice shelf by Ronne and parties under his leadership.
antarctica-geography.knolix.com /wikipedia-wikiproject-missing-encyclopedic-articles-antarctica-r3-2785318.htm   (6008 words)

  
 [No title]
The potential sea-level rise after melting of the entire Antarctic ice sheet is estimated to be 65 m to 73 m.
In spite of its importance, the mass balance (the net volumetric gain or loss) of the Antarctic ice sheet is poorly known; it is not known whether the ice sheet is growing or shrinking.
As a result, measurement of changes in the Antarctic ice sheet was given a very high priority in recommendations by the Polar Research Board of the National Research Council (1986), by the Scientific Committee on Antarctic Research (SCAR) (1989), and by the National Science Foundation's (1990) Division of Polar Programs.
pubs.usgs.gov /imap/2600/E/eights.met.txt   (826 words)

  
 Index of Polar Region Books   (Site not responding. Last check: 2007-10-08)
A staggering 98% of the continent is covered with ice averaging 1.4 miles in depth; 90% of the world's ice is found in there.
In spite of the cold and ice, Antarctica's shores and waters are home to an amazing variety of vegetation and indigenous wildlife-seals, sea lions, whales, penguins and sea birds-that have evolved in extraordinary ways to adapt to their unforgiving habitat.
With nothing but half the ship's store of supplies and the polar ice beneath their feet, Captain Bartlett, twenty-one men, an Inuit woman and her two small daughters, twenty-nine dogs, and one pet cat were now hopelessly shipwrecked in the middle of the Arctic Ocean, hundreds of miles from land.
www.familyhaven.com /outdoor/polar/polar01/polar017.html   (2496 words)

  
 History Highlights - Polar Exploration   (Site not responding. Last check: 2007-10-08)
In Ice Blink (2000), Scott Cookman provides a vivid account of the voyage, and reveals a possible explanation for its tragic outcome.
Ice Blink is one of many books about the Franklin expedition, Other titles include Deadly Winter (2002) by Martyn Beardsley, The Franklin Conspiracy by Jeffrey Blair Latta (2001) and Fatal Passage (2001) by Ken McGoogan (2001).
Other chronicles of Arctic exploration include Trial By Ice: The True Story of Murder and Survival on the 1871 Polaris Expedition by Richard Parry (2001); and The Ice Master by Jennifer Niven (2000), an account of another doomed Arctic voyage, that of the Karluk in 1913.
www.vpl.vancouver.bc.ca /branches/LibrarySquare/his/Highlights/Polar_Exploration.html   (737 words)

  
 Cal Flannel King Sheet
King Peninsula - King Peninsula () is an ice-covered peninsula, 100 miles long and 20 miles wide, lying south of Thurston Island and forming the south side of Peacock Sound.
It projects from the continental ice sheet and trends west between the Abbot Ice Shelf and Cosgrove Ice Shelf to terminate at Amundsen Sea.
King and King and Family - King and King and Family (Tricycle Press, March 2004 ISBN 1582461139) is the sequel to the somewhat controversial kids book, "King and King." It is recommended reading level is ages 4-8, and is is a 32-page hardcover English language book.
pajamas.vvvvvv3.com /calflannelkingsheet.html   (144 words)

  
 Abbot Ice Shelf - Wikipedia, the free encyclopedia
The Abbot Ice Shelf (72°45′S 096°00′W) is an ice shelf 400 km (250 mi) long and 64 km (40 mi) wide, bordering Eights Coast from Cape Waite to Phrogner Point.
Thurston Island lies along the northern edge of the western half of this ice shelf; other sizable islands (Sherman, Carpenter, Dustin, Johnson, McNamara, Farwell and Dendtler) lie partly or wholly within it.
The full extent was mapped by USGS from USN air photos of 1966.
en.wikipedia.org /wiki/Abbot_Ice_Shelf   (232 words)

  
 USATODAY.com - Very cool facts about Antarctica   (Site not responding. Last check: 2007-10-08)
Ice lost to bergs breaking away equals about half of the world's fresh water.
• Because the ice is constantly moving, a new 13-foot-high South Pole marker has to be placed each January.
Sources: Antarctica: An Encyclopedia, From Abbott Ice Shelf to Zooplankton; The CIA World Factbook; The Complete Guide to Antarctic Wildlife; International Station Meteorological Climate Summary average readings for December and July; coastal temperature averages are for McMurdo Base.
www.usatoday.com /travel/destinations/2003-12-18-antarctica-facts_x.htm   (354 words)

  
 NASA Instrument Captures Early Antarctic Ice Shelf Melting
This huge, nearly 200 meter (656 foot) thick plate of glacier-fed floating ice, which in the late 1980s was about as large as Indiana, experienced dramatic disintegration events beginning in 1995 that have reduced its area by nearly 10 percent, or more than two trillion tons of ice.
The cumulative duration of these annual summer melting events is likely to have increased substantially over the past 50 years as summer average air temperatures on the eastern side of the Antarctic Peninsula have warmed appreciably (approximately two degrees Celsius, or 3.6 degrees Fahrenheit).
"The water is believed to penetrate cracks and fissures in the ice and refreeze at depth, where the ice is relatively colder," said Drinkwater.
www.brightsurf.com /news/jan_03/JPL_news_011503.html   (628 words)

  
 Antarctic Book Notes
On this shelf rests a small, mysterious corpus of volumes whose subject matter is completely unrelated to the rest of the library, yet which, upon closer inspection, reveals a good deal about its owner.
In March 2000, a chunk of ice measuring 4,500 square miles broke free from the Ross Ice Shelf in Antarctica, and the world's largest iceberg was born.
Ice Island: The Expedition to Antarctica's Largest Iceberg is the story of a scientific expedition and adventure in one of the most hostile regions of the planet.
www.antarctic-circle.org /book.htm   (15635 words)

  
 Sub-antarctic islands - Wikipedia:WikiProject Missing encyclopedic articles/Antarctica/M6   (Site not responding. Last check: 2007-10-08)
Muller Ice Shelf ({{coor dm6715S6652W}}) is an ice shelf lying southwest of Hooke Point in southwest Lallemand Fjord, Arrowsmith Peninsula, Loubet Coast.
The ice shelf is nurtured by Bruckner Glacier and Antevs Glacier.
The feature is occupied by lower Mulock Glacier which drains through it to the Ross Ice Shelf.
sub-antarctic-islands.knolix.com /wikipedia-wikiproject-missing-encyclopedic-articles-antarctica-m6-2785432.htm   (5012 words)

  
 Reference Shelf
Rotating reference frame - A rotating frame of reference is a special case of a non-inertial reference frame in which the coordinate system is rotating relative to an inertial reference frame.
Getz Ice Shelf - Getz Ice Shelf is an Antarctic ice shelf, over 480 km (300 mi) long and from 32 to 96 km (20 to 60 mi) wide, bordering the Hobbs and Bakutis Coasts of Marie Byrd Land between McDonald Heights and Martin Peninsula.
Shelf Clips - Shelf not included Prices - GLASS SHELVING Shelf Clips - Shelf not included Prices Best Prices on GLASS SHELVING Unique, design conscious, frosted chrome brackets glass shelf.
ox88.abricad.info /referenceshelf.html   (1177 words)

  
 Frigidaire Refrigerator Shelf   (Site not responding. Last check: 2007-10-08)
Calder explains clearly frigidaire refrigerator shelf and logically how frigidaire refrigerator shelf and why refrigeration components work, how to keep them working efficiently frigidaire refrigerator shelf and economically, frigidaire refrigerator shelf and what to look for when something goes wrong.
With Calder's maintenance frigidaire refrigerator shelf and troubleshooting tips, you'll be able to keep it running for years to come frigidaire refrigerator shelf and keep those ice cubes tinkling in that frosted glass.
Einstein refrigerator - The Einstein refrigerator is a type of refrigerator co-invented in 1926 by Albert Einstein and former student Leó Szilárd, who were awarded on November 11, 1930.
ge54.georgeandbills.com /frigidairerefrigeratorshelf.html   (1298 words)

  
 Polar View in the Antarctic - Admin
Recent views of Antarctic Ice Shelves and Coastline
We are able to use Envisat ASAR data to provide regular images of Antarctic ice shelves and coastline.
Click on the relevant section of the map or select from the list below to open the most recent image extract for that area.
www.polarview.aq /iceshelf/iceshelf.php   (71 words)

  
 Geography of Antarctica - Peacock Sound   (Site not responding. Last check: 2007-10-08)
The sound is not navigable by ships, it being occupied by the western part of the Abbot Ice Shelf.
The feature was discovered by members of the USAS in flights from the ship Bear in February 1940, and was further delineated from air photos taken by US Navy Operation Highjump in December 1946.
The sound was first noted to parallel the entire south coast of Thurston Island, thereby establishing insularity, by the USN Bellingshausen Sea Expedition in February 1960.
antarctica-geography.knolix.com /peacock-sound-1432692.htm   (291 words)

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