On the recent calving of icebergs from the Ross ice shelf
The year 2000 has witnessed the calving of several remarkably large icebergs in the Ross and Weddell seas of Antarctica, including the calving of B-l 5, possibly the largest iceberg yet to be observed. Here we present satellite imagery that records the calving, and precursor events leading up to the detachment of B-l 5 from the Ross Ice Shelf in late March 2000. These images suggest that the evolution of a network of large rifts on the ice shelf over the decade prior to calving has controlled both the time of calving and the giant size of B-15. What controls this evolution in turn remains a mystery.
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Document Type: Research Article
Antarctic Meteorological Research Center, Space Science and Engineering Center, University of Wisconsin-Madison, Madison, WI, USA
Byrd Polar Research Center and Department of Geological Sciences, Ohio State University, Columbus, OH, USA
National Snow and Ice Data Center, University of Colorado, Boulder, CO, USA
Department of Geophysical Sciences, University of Chicago, Chicago, IL, USA
Byrd Polar Research Center and Department of Geography, Ohio State University, Columbus, OH, USA
Publication date: 2008-01-01