Image:Glacier-ice shelf interactions.svg

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Glacier-ice_shelf_interactions.svg (SVG file, nominally 1200 × 734 pixels, file size: 455 KB)

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[edit] Summary

Description

Glacier-ice shelf interactions: In a stable glacier-ice shelf system, the glacier's downhill movement is offset by the buoyant force of the water on the front of the shelf. Warmer temperatures destabilize this system by lubricating the glacier's base and creating melt ponds that eventually carve through the shelf. Once the ice shelf retreats to the grounding line, the buoyant force that used to offset glacier flow becomes negligible, and the glacier picks up speed on its way to the sea.

Source

http://nsidc.org/sotc/iceshelves.html

Date

May 23, 2008

Author

Original Image by Ted Scambos and Michon Scott, National Snow and Ice Data Center. Redrawn by Sagredo⊙☿♀♁♂♃♄

Permission
(Reusing this image)

see below


[edit] Licensing:

Public domain This work is in the public domain in the United States because it is a work of the United States Federal Government under the terms of Title 17, Chapter 1, Section 105 of the US Code. See Copyright.

Note: This only applies to works of the Federal Government and not to the work of any individual U.S. state, territory, commonwealth, county, municipality, or any other subdivision.


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File history

Click on a date/time to view the file as it appeared at that time.

Date/TimeDimensionsUserComment
current19:35, 23 May 20081,200×734 (455 KB)Sagredo ({{Information |Description=Glacier-ice shelf interactions: In a stable glacier-ice shelf system, the glacier's downhill movement is offset by the buoyant force of the water on the front of the shelf. Warmer temperatures destabilize this system by lubricat)
19:23, 23 May 20081,200×734 (118 KB)Sagredo ({{Information |Description=Glacier-ice shelf interactions: In a stable glacier-ice shelf system, the glacier's downhill movement is offset by the buoyant force of the water on the front of the shelf. Warmer temperatures destabilize this system by lubricat)
19:21, 23 May 20081,200×734 (118 KB)Sagredo ({{Information |Description=Glacier-ice shelf interactions: In a stable glacier-ice shelf system, the glacier's downhill movement is offset by the buoyant force of the water on the front of the shelf. Warmer temperatures destabilize this system by lubricat)
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