File:Skull burial.jpg
From WikiMD's medical encyclopedia
Size of this preview: 800 × 538 pixels. Other resolutions: 320 × 215 pixels | 640 × 430 pixels | 1,024 × 688 pixels | 1,280 × 860 pixels | 2,560 × 1,721 pixels | 4,194 × 2,819 pixels.
Original file (4,194 × 2,819 pixels, file size: 5.03 MB, MIME type: image/jpeg)
Summary
| Description |
English: A-F, progressive burial of a dinosaur skull (Allosaurus cast) in a water flume with a moveable (live) bed of medium-grained sand. The skull sets up the conditions for it own burial by being an obstacle to flow. Scour occurs on the upstream side due to flow acceleration around the skull ("thumb on the garden hose" effect). Undercut, the skull pivots into the scour hole due to gravity. In the flow shadow (downstream side) water recirculates (reverses direction) and pressure drops causing deposition of the sand that was scoured from the upstream side. Linear sand piles (dunes) pushed along by the water advance and bury the skull. G-H, Computer modeling (Computational Fluid Dynamics) shows why the skull gets buried. |
| Date | |
| Source | Own work |
| Author | Carpenter, Kenneth |
Licensing
I, the copyright holder of this work, hereby publish it under the following license:
This file is licensed under the Creative Commons Attribution-Share Alike 4.0 International license.
- You are free:
- to share – to copy, distribute and transmit the work
- to remix – to adapt the work
- Under the following conditions:
- attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
- share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.
File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 13:14, 19 March 2021 | | 4,194 × 2,819 (5.03 MB) | Carpenter, Kenneth | Uploaded own work with UploadWizard |
File usage
The following page uses this file:
