Original file (2,348 × 3,536 pixels, file size: 18.02 MB, MIME type: image/png)
Summary
DescriptionTiger striping grass.png |
English: Shown is a bed of Bermuda grass, Cynodon dactylon. The color of the grass turns from green to brown as it transitions to dormency in fall. Frost damage by convecting air produced a particular pattern of green/brown regions referred to as "tiger striping". The spatial scale of the pattern is ≈20cm or 10in.
Notice the pronounced boundary effects, such as brown regions aligned to the edge of the lawn. This is suggestive of the underlying pattern-forming process. For the underlying process, see e.g. Ackerson, B.J., Beier, R.A. & Martin, D.L. Ground level air convection produces frost damage patterns in turfgrass. Int J Biometeorol 59, 1655–1665 (2015). https://doi.org/10.1007/s00484-015-0972-3 The picture was taken with a Fairphone 4, ISO 112, f/1.8 and 1/336s exposure. It was cropped from the original with GIMP to anonymize the location. Taken in Leeland, North Carolina, USA on November 21 2023. A close up of the same turf is shown in the picture on the right. The scale bar is 15cm / 6in. |
Date | |
Source | Own work |
Author | ManuelSchottdorf |
Licensing
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Items portrayed in this file
depicts
Rayleigh–Bénard convection
Cynodon dactylon
pattern formation
self-organization
creator
some value
copyright status
copyrighted
copyright license
Creative Commons Attribution 4.0 International
source of file
original creation by uploader
inception
25 November 2023
File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 14:30, 25 November 2023 | 2,348 × 3,536 (18.02 MB) | ManuelSchottdorf | Uploaded own work with UploadWizard |
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Metadata
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PNG file comment |
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Horizontal resolution | 118.11 dpc |
Vertical resolution | 118.11 dpc |
File change date and time | 14:17, 25 November 2023 |
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