HOME >> BIOLOGY >> NEWS
Earth from Space: Iceberg knocks the block off Drygalski Ice Tongue

An enormous iceberg, C-16, rammed into the well-known Drygalski Ice Tongue, a large sheet of glacial ice and snow in the Central Ross Sea in Antarctica, on 30 March 2006, breaking off the tongue's easternmost tip and forming a new iceberg.

This animation, comprised of images acquired by Envisat's Advanced Synthetic Aperture Radar (ASAR), shows the iceberg and the ice tongue before and after the collision. On 26 March, C-16 was pinned at the southern edge of the ice tongue but had started migrating by 27 March. The collision on 30 March shows the ice tongue breaking off, and the final image on 1 April captures C-16 and the new iceberg swinging to the other side of the ice tongue.

Mark Drinkwater of ESA's Ocean and Ice Unit said: "During its passage to the coastal foot of the Drygalski Ice Tongue, C-16, which measures 18.5 kilometres by 55 kilometres, looped into and around McMurdo Sound before being carried quickly to the north.

"The surface ocean currents appear to have predominantly steered the iceberg, not the winds, thus telling us about important aspects of the adjustment in the ocean circulation since the departure of large grounded icebergs off Ross Island."

The floating Drygalski Ice Tongue, which protrudes 80 kilometres into the ocean, is connected to the David Glacier. If it were to break loose, scientists fear it could alter ocean currents and change the region's climate.

C-16 was formed in 2000 when Iceberg B-15A, measuring 27 kilometres by 161 kilometres, bumped into the jutting edge of the Ross Ice Shelf and snapped a large piece off. The new iceberg, originally named B-20 and later changed to C-16, then ran aground north of Ross Island. Over the last three months it had escaped its perch and made its way north where it collided with the ice tongue last week.

The National Ice Center (NIC), located in Maryland, USA, names icebergs according to the quadrant in which they are originally sighted. There are
'"/>

Contact: Mariangela D'Acunto
mariangela.dacunto@esa.int
39-069-418-0856
European Space Agency
7-Apr-2006


Page: 1 2

Related biology news :

1. What we can learn from the biggest extinction in the history of Earth
2. Chickens also orient themselves by the Earths magnetic field
3. Scientists ponder plant life on extrasolar Earthlike planets
4. NASA-funded robotic sub makes final dive to reach bottom of Earths deepest sinkhole
5. ESA presents the sharpest ever satellite map of Earth
6. 3.2 billion-year-old surprise: Earth had strong magnetic field
7. Prototype space probe prepares to explore Earths deepest sinkhole
8. Worlds oldest rocks show how Earth may have dodged frozen fate of Mars
9. Climate change only one symptom of a stressed planet Earth
10. Researchers identify a heartbeat in Earths climate
11. Symposium Changes on Earth honors Yale Geologist Robert Berner

Post Your Comments:
*Name:
*Comment:
*Email:
TAG: Earth from Space Iceberg knocks the block off Drygalski Ice Tongue

(Date:7/24/2014)... species for food or commercial food sale, has been ... decline of many species of primates and other mammals. ... half of the species being consumed are birds, particularly ... only the meat made available for sale but the ... hunters and brought to villages for consumption, we noted ...
(Date:7/24/2014)... two factors that characterize sustainable university and college ... qualified physics teachers. Specifically, one or more faculty ... in combination with institutional motivation and commitment can ... Engineering and Math (STEM) teacher shortages are especially ... way for institutions seeking to increase the number ...
(Date:7/24/2014)... 24, 2014 Some sticky research out of York ... a certain species of toxic grass fungus: moose saliva ... Biology Letters , "Ungulate saliva inhibits a grassendophyte ... to red fescue grass (which hosts a fungus called ... slower fungus growth and less toxicity. , "Plants have ...
Breaking Biology News(10 mins):Creating sustainable STEM teacher preparation programs 2Moose drool inhibits growth of toxic fungus: York U research 2
(Date:7/24/2014)... SAN DIEGO , July 24, 2014 /PRNewswire/ ... company, announced today the appointment of Adam ... (COO). Cypher Genomics provides rapid and comprehensive annotation ... discovery and clinical reporting. "Cypher,s technology ... to improve healthcare by enhancing diagnostic accuracy, optimizing ...
(Date:7/24/2014)... Diego, CA (PRWEB) July 24, 2014 ... the reporting of molecular diagnostic test results. It ... capabilities necessary for the validation and reporting of ... oncology. Molecular diagnostics is a rapidly growing area ... infectious disease, genetic predisposition, cancer, and companion diagnostics ...
(Date:7/23/2014)... Arab Emirates (UAE) (PRWEB) July 23, 2014 ... Century recently announced that its biobanking project, ... , Ph.D. to its growing Advisory Board. Scott ... very pleased to have Dr. Vaught onboard with Provia’s ... depth and expertise that Provia’s management team brings to ...
(Date:7/23/2014)... have made great strides in saving China,s endangered national ... over 65 giant panda reserves that have been established ... just 1596 pandas remain in the wild. , ... save the panda by improving genetic diversity, avoid inbreeding ... how are these high-profile programs doing so far? , ...
Breaking Biology Technology:Cypher Genomics Announces the Appointment of Adam Simpson as President and COO to Advance Transformative Genome Interpretation Technology 2Cypher Genomics Announces the Appointment of Adam Simpson as President and COO to Advance Transformative Genome Interpretation Technology 3New DNA-barcode Patent Virtually Eliminates False Test Results and Sample Mix-up 2Provia Laboratories Adds Dr. Jim Vaught, Ph.D., Former Chief of BBRB, to Advisory Board 2Provia Laboratories Adds Dr. Jim Vaught, Ph.D., Former Chief of BBRB, to Advisory Board 3Provia Laboratories Adds Dr. Jim Vaught, Ph.D., Former Chief of BBRB, to Advisory Board 4
Cached News: