Type:

Other

Description:

The Pine Island Glacier is the largest discharger of ice in Antarctica and the continents fastest moving glacier. Even so, when a large crack formed across the glacier in mid 2000, it was surprising how fast the crack expanded, 15 meters per day, and how soon the resulting iceberg broke off, mid-November, 2001. This iceberg, called B-21, is 42 kilometers by 17 kilometers and contains seven years of glacier outflow released to the sea in a single event. This series of images from the MISR instrument on the Terra satellite not only shows the crack expanding and the iceberg breakoff, but the seaward moving glacial flow in the parts of the Pine Island Glacier upstream of the crack.

Subjects:

  • Science > General

Education Levels:

  • Grade 1
  • Grade 3
  • Grade 6
  • Grade 8
  • Grade 9
  • Grade 11
  • Grade 12

Keywords:

Cryology,Astronomy,NSDL,Chemistry,GCMD--EARTH SCIENCE--Cryosphere--Sea Ice--Icebergs,Science,Space sciences,Undergraduate (Upper Division),Undergraduate (Lower Division),Graduate/Professional,Physics,oai:nsdl.org:2200/20061002144711603T,Higher Education,NSDL_SetSpec_456144,GCMD--EARTH SCIENCE--Cryosphere--Glaciers-Ice Sheets--Icebergs,Physical sciences,Earth science,Terra-MISR,Geoscience,Space Science,GCMD--EARTH SCIENCE--Cryosphere--Sea Ice--Sea Ice Motion

Language:

English

Access Privileges:

Public - Available to anyone

License Deed:

Creative Commons Attribution Non-Commercial Share Alike

Collections:

None
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