File:Racetrack Playa, Death Valley National Park (13153747894).jpg
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| Description | Lots of theories as to how these toaster-sized rocks move across this dry lakebed. The one that makes most sense to me is when the lakebed surface becomes viscous after a rain and then a sustained episodic wind event happens moving the rocks along. One reason I think the wind events are episodic is that a number of the trails zig-zag, meaning there was a sustained wind from that direction and then the next event was from a different direction. These lines are straight with no deviation until a change in direction reflected by an angle in the trail... |
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| Source | Racetrack Playa, Death Valley National Park |
| Author | Gregory "Slobirdr" Smith |
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This file is licensed under the Creative Commons Attribution-Share Alike 2.0 Generic license.
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This image was originally posted to Flickr by Gregory "Slobirdr" Smith at https://www.flickr.com/photos/22170893@N06/13153747894. It was reviewed on 30 May 2015 by FlickreviewR and was confirmed to be licensed under the terms of the cc-by-sa-2.0. |
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| current | 23:12, 29 May 2015 | | 2,592 × 1,944 (3.79 MB) | Wilfredor (talk | contribs) | Transferred from Flickr via Flickr2Commons |
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