File:Pressure ridges Scott Base lrg.jpg
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Summary
| Description | English: A pressure ridge in the Antarctic ice near Scott Base, with lenticular clouds in the sky. Lenticular clouds are a type of wave cloud. They usually form when a layer of air near the surface encounters a topographic barrier, gets pushed upward, and flows over it as a series of atmospheric gravity waves. Lenticular clouds form at the crest of the waves, where the air is coolest and water vapor is most likely to condense into cloud droplets. The bulging sea ice in the foreground is a pressure ridge, which formed when separate ice floes collided and piled up on each other. |
| Date | |
| Source | http://earthobservatory.nasa.gov/IOTD/view.php?id=82499 (image link) |
| Author | Michael Studinger |
Licensing
 | 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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Original upload log
The original description page was here. All following user names refer to en.wikipedia.
| Date/Time | Dimensions | User | Comment |
|---|---|---|---|
| 2013-12-05 18:26 | 4928×3264× (4393718 bytes) | Fotaun | from http://earthobservatory.nasa.gov/?eocn=topnav&eoci=home {{PD-NASA}} |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 05:09, 20 April 2016 | | 4,928 × 3,264 (4.19 MB) | FastilyClone | Transferred from enwp |
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