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Ice calving, also known as glacier calving or iceberg calving, is the breaking of ice chunks from the edge of a glacier. [1] It is a form of ice ablation or ice disruption . It is the sudden release and breaking away of a mass of ice from a glacier , iceberg , ice front , ice shelf , or crevasse .
EIS imagery has appeared in time-lapse videos displayed in the terminal at Denver International Airport; in media productions such as the 2009 NOVA Extreme Ice documentary on PBS; [1] and is the focus of the feature-length film Chasing Ice, directed by Jeff Orlowski, [2] which premiered at the Sundance film festival in Utah on January 23, 2012. [3]
Ilulissat Icefjord. The fjord contains the Jakobshavn Glacier (Greenlandic: Sermeq Kujalleq), the most productive glacier in the Northern Hemisphere.The glacier flows at a rate of 20–35 m (66–115 ft) per day, resulting in around 20 billion tonnes of icebergs calved off and passing out of the fjord every year.
The Patagonian glacier drops large amounts of ice about every four years. The last rupture was in 2012. Partial breaks occurred in February, indicating a large collapse could happen soon.
The William Glacier in Antarctica partially collapsed in the same week as Antarctica's hottest recorded day at 65ºF. It lasted for several minutes and stretched half a mile.
The documentary includes scenes from a glacier calving event that took place at Jakobshavn Glacier in Greenland, lasting 75 minutes, the longest such event ever captured on film. [ 2 ] [ 3 ] Two EIS videographers waited several weeks in a small tent overlooking the glacier and, finally, witnessed 7.4 cubic kilometres (1.8 cu mi) of ice crashing ...
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An iceberg is a piece of freshwater ice more than 15 meters (16 yards) long [1] that has broken off a glacier or an ice shelf and is floating freely in open water. [ 2 ] [ 3 ] Smaller chunks of floating glacially derived ice are called "growlers" or "bergy bits".