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Topic: Ronne Ice Shelf


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In the News (Mon 16 Nov 09)

  
  Filchner-Ronne Ice Shelf - Encyclopedia, History, Geography and Biography
The Filchner-Ronne ice shelf is in Antarctica bordering the Weddell Sea.
The Filchner ice shelf is nourished primarily by the Slessor Glacier, the Recovery Glacier, and the Support Force Glacier, all located east of Berkner Island.
The Ronne ice shelf is the larger and western part of the Filchner-Ronne ice shelf.
www.arikah.com /encyclopedia/Ronne_Ice_Shelf   (496 words)

  
 AWI: Ships, stations, aircraft - Filchner Station
The calving of a many thousand square meter large iceberg from the Ronne Shelf Ice, which took the Filchner Station with it, was observed via satellite on 13th October 1998.
Research focused on the flow properties of the shelf ice, substance loads to ice from the atmosphere and the interactions between shelf ice and the ocean.
The station's position was subject to constant alteration due to movement of the ice shelf.
www.awi-bremerhaven.de /Polar/filchner.html   (283 words)

  
 Ronne ice shelf
Two ice shelves on the Antarctic Peninsula known as the Larsen B and Wilkins are in "full retreat" and have lost nearly 3,000 square kilometers of their total area in the last year, say scientists in Colorado and the United Kingdom.
Ice shelves are floating plates of ice that are still attached to continents and which form when large glaciers flow toward the ocean in polar areas.
Ice shelves are massive, floating sheets of snow and frozen water that encircle the Antarctic mainland.
www.xs4all.nl /~carlkop/ronne.html   (1113 words)

  
 Ronne Ice Shelf
The lower part shows the northeastern boundary of Ronne Ice Shelf which is heavily ruptured due to differential ice motion and has a thickness of about 300 m at the ice edge.
The grounded ice moves very slowly, whereas the ice in the lower left corner of the image, on Ronne Ice Shelf, moves towards the sea with a velocity of about 1 km per year.
The complex pattern of rifts between Berkner Island and the main part of Ronne Ice Shelf is not only an effect of differential motion, but also due to grounded ice (the Hemmen Ice Rise) not visible in the image, just upstream of the system of rifts.
earth.esa.int /applications/data_util/SARDOCS/spaceborne/Radar_Features/Ice_Features/ronne_ice.htm   (178 words)

  
 Recent Ronne Ice Shelf Images
A December 28, 2006 Visible image of the Ronne Ice Shelf.
A December 21, 2006 Infrared image of the Ronne Ice Shelf.
A December 1, 2006 Infrared image of the Ronne Ice Shelf.
ice.ssec.wisc.edu /iceberg_ronne_recent.html   (418 words)

  
 Satellite pictures of Antarctica
The water stays liquid between ground an ice thanks to a combination of high pressure from above and suspected geothermal activity from below (for instance at the other deep ice core of Dome C, the temperature at a depth of 3130m is -7 °C while the surface ground temperature is -53°C).
Left: A fracture zone on the eastern side of the Ronne ice shelf, east of the Weddell sea.
Right: The inset shows the entire Larsen B ice shelf before its disappearance; this ice shelf was east of the Antarctic peninsula.
www.gdargaud.net /Antarctica/RadarSat.html   (1312 words)

  
 Antarctica: Geology and Geography
Where the outward creep of the ice is channeled into ice streams (zones of more rapid flow), great floating ice tongues project into the sea; where mountains retard outward movement, the flow is channeled into great valley glaciers.
Except for mountain ranges (some buried beneath the ice), much of E Antarctica's rock surface is near sea level; however, the continent's domed, snow-covered glacial surface rises to about 13,000 ft (4,000 m).
The Ellsworth Mts., at the head of Ronne Ice Shelf, are the highest in Antarctica; Vinson Massif (16,860 ft/5,140 m) is the continent's highest peak.
www.factmonster.com /ce6/world/A0856632.html   (729 words)

  
 National/Naval Ice Center - Antarctic Iceberg
Antarctic icebergs are tracked by the National Ice Center (NIC), when they meet three basic requirements.
The first requirement is that the iceberg must measure at least 10 nm along the long axis.
Antarctic Icebergs calve from numerous ice shelves in Antarctica, when an iceberg is first sighted, NIC documents its point of origin.
www.natice.noaa.gov /products/iceberg   (325 words)

  
 Iceberg A-38 Calves from Antarctica's Ronne Ice Shelf, October 1998
For the latest information and imagery, see the U.S. National Ice Center or the NOAA NESDIS Operational Significant Event Imagery pages (specifically the index of ice events imagery).
Ted Scambos, National Snow and Ice Data Center, compares the A-38 calving with recent events on the Larsen Ice Shelf and discusses earlier events on the Larson Ice Shelf and their relation to regional climate trends.
The U.S. National Ice Center tracks A-38 and other Antarctic icebergs, and provides analyses of sea ice at both poles.
nsidc.org /icebergs/a38   (356 words)

  
 Antarctica - Academic Info
The retreats are attributed to a strong climate warming in the region."
"...studies ice that is sometimes thousands of years old to determine what the earth's climate was like in the past.
PBS NOVA - Mountain of Ice (February 2003)
www.academicinfo.net /polarantarctic.html   (1229 words)

  
 Shelf
Shelf is one of the topics in focus at Global Oneness.
Shelf is a detail of furniture for storing items.
The same name is applied to various things that resemble a shelf in form or function: Continental shelf Ice shelf Ross Ice Shelf Filchner-Ronne Ice Shelf The Shelf (an interface feature of NeXTSTEP) See also.
www.experiencefestival.com /shelf   (275 words)

  
 Scott Polar Research Institute » 'Polar Bytes' no. 32
Swath-bathymetric data, which is comparable to a set of aerial photographs of the detailed shape of the sea floor, were collected along with evidence on the shallow stratigraphy or 'layer-cake' structure of the sediments beneath.
From these data, we will be able to reconstruct the flow direction and basal processes of the ice sheet when it last extended to the outer shelf of the Bellingshausen Sea about 18,000 years ago.
Headlines have particularly been made by the increasingly rapid diminishment of Arctic ice and the effect of this on numerous Arctic species, from Polar Bears and Reindeer to bacteria (15 new species of bacteria were recently discovered in ice retrieved from a Greenland glacier) and human beings.
www.spri.cam.ac.uk /friends/polarbytes/32   (4111 words)

  
 www.blextech.com - Free International info, World News
, at the head of Ronne Ice Shelf, are the highest in Antarctica.
A vast slab of ice in Antarctica collides with the world's biggest ice tongue, satellite photos show.
Many researchers believe that Antarctica has been deglaciated (all of the ice melted) as recently as 3 million years ago.
www.blextech.com /content/chapter58.html   (15435 words)

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