File:Icemvmt.png
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Icemvmt.png (599 × 458 pixels, file size: 36 KB, MIME type: image/png)
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- Description: Meteoritenablagerungen in Blaueisfeldern
- The Antarctic meteorites have been concentrated in certain location, but the mechanism of concentration is not completely understood. A leading hypothesis is that the meteorites fell on snowfields where ice thickness increases, flowed toward the edge of the Antarctic Continent, and became exposed where the iceflow is impeded by obstacles and where the ice is ablated.
- The wind continually ablates the ice surface in the areas of meteorite concentration, removing ice by sublimation and mechanical abrasion. In order to measure the amount of ablation, a series of stakes has been emplaced and accurately surveyed with respect to a base station on rock outcrops. Ablation rates have been as high as 10 centimeters per year.
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This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.) | ||
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 07:44, 11 May 2012 | 599 × 458 (36 KB) | Plenz (talk | contribs) | Typo korrigiert | |
01:18, 10 December 2005 | 599 × 458 (34 KB) | Saperaud~commonswiki (talk | contribs) | *'''Description:''' Meteoritenablagerungen in Blaueisfeldern :The Antarctic meteorites have been concentrated in certain location, but the mechanism of concentration is not completely understood. A leading hypothesis is that the meteorites fell on snowfie |
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Horizontal resolution | 29.53 dpc |
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Vertical resolution | 29.53 dpc |