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File:Franz Jozef Glacier NZ fig13.gif

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Summary

Description
English: Figure 13.-Historic variations of the terminus position of the Franz Josef Glacier, Westland, New Zealand and associated events.

1907-A viewing gallery giving access across a sheer rock face above the northeast margin on the snout was scraped off the rock face by this small advance shortly after being built. 1930-1949-A proglacial lake formed but soon filled with outwash gravels. The lake was popular for boating until a large ice block, held submerged by debris, released its load and erupted through the lake surface. 1965-During a heavy rainstorm in December, the main subglacial channel was apparently blocked beneath the glacier snout, and the accumulated water burst upward through the glacier to continue downvalley as a spectacular flood wave of water and ice. There was some damage but no casualties.

1984- A shelter hut, built in 1981 for visitors helicoptered to the inaccessible southwest edge of the glacier snout, was knocked off of its foundation by a large ice block that fell from the glacier front, which was advancing at the rate of a meter per day. The hut was removed from the site, which now remains well under the glacier.
Date
Source Chinn, Trevor J.H. "Glaciers of New Zealand". U.S. Geological Survey, U.S.Department of the Interior. http://pubs.usgs.gov/prof/p1386h/nzealand/nzealand2.html.
Author Chinn, Trevor J.H.
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Public Domain

Licensing

Public domain
This image is in the public domain in the United States because it only contains materials that originally came from the United States Geological Survey, an agency of the United States Department of the Interior. For more information, see the official USGS copyright policy.

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4 May 2000

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current10:39, 1 February 2010Thumbnail for version as of 10:39, 1 February 2010600 × 362 (28 KB)Mrfebruary{{Information |Description={{en|1=Figure 13.-Historic variations of the terminus position of the Franz Josef Glacier, Westland, New Zealand and associated events. 1907-A viewing gallery giving access across a sheer rock face above the northeast margin on

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