Author： Gow Anthony J Govoni John W
Publisher： International Glaciological Society
ISSN： 1727-5644
Source： Annals of Glaciology, Vol.20, Iss.1, 1994-06, pp. : 237-241
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Abstract
A survey of ice-front changes since 1910-13 shows that the Koettlitz Ice Tongue, located along the western shore of Mcylurdo Sound, Antarctica, has undergone significant retreat during the past 80 years. The ice front in 1910-13 was located 5 km in front of the Dailey Islands. Today, only two of the six Dailey Islands remain connected to the Koettlitz Ice Tongue. The most recent break-out of ice is believed to have occurred in 1979 or 1980, resulting in an estimated loss of 80 km2 of ice. Based on the current position of the ice front, it is estimated that a minimum of 300 km2 of ice has calved off the Koettlitz Ice Tongue during the 80 year period that has elapsed since the ice front was first mapped in 1910-13.
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