File:Ledge Geyser (afternoon, 2 August 2023) 1.jpg
![File:Ledge Geyser (afternoon, 2 August 2023) 1.jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/5/56/Ledge_Geyser_%28afternoon%2C_2_August_2023%29_1.jpg/450px-Ledge_Geyser_%28afternoon%2C_2_August_2023%29_1.jpg?20230822175239)
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Summary
[edit]DescriptionLedge Geyser (afternoon, 2 August 2023) 1.jpg |
English: Geysers are hot springs that episodically erupt columns of water. They occur in few places on Earth. The highest concentration of geysers anywhere is at the Yellowstone Hotspot Volcano (northwestern Wyoming, USA).
Ledge Geyser is the largest geyser in the Porcelain Basin of Yellowstone’s Norris Geyser Basin. It erupts infrequently to rarely, except for occasional years of relatively frequent activity (e.g., 1974, 2015). Its 2015 activity commenced in late March, after almost two years of dormancy. Thirty-five eruptions from Ledge Geyser have been reported between March and early November 2015. Eruptive activity in 2015 involved one to two hours of water-phase, followed by many hours of noisy, forceful steam phase. Ledge Geyser includes the “White Vent”, a prominent, light-colored geyserite shield covered in terracettes with a small, subtriangular-shaped hole. Ledge also includes the “Red Vent”, which is the current main vent - it has dark reddish-staining on its subvertical walls. As of 2023, the "White Vent" is gray-colored. Ledge's activity now usually consists of noisy steaming and wet spray. |
Date | |
Source | https://www.flickr.com/photos/47445767@N05/53127826665/ |
Author | James St. John |
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This image was originally posted to Flickr by James St. John at https://flickr.com/photos/47445767@N05/53127826665. It was reviewed on 22 August 2023 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
22 August 2023
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current | 17:52, 22 August 2023 | ![]() | 3,000 × 4,000 (3.35 MB) | Ser Amantio di Nicolao (talk | contribs) | Uploaded a work by James St. John from https://www.flickr.com/photos/47445767@N05/53127826665/ with UploadWizard |
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Camera manufacturer | Canon |
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Camera model | Canon PowerShot D10 |
Exposure time | 1/250 sec (0.004) |
F-number | f/4.5 |
ISO speed rating | 80 |
Date and time of data generation | 16:33, 2 August 2023 |
Lens focal length | 14.303 mm |
Width | 3,000 px |
Height | 4,000 px |
Bits per component |
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Pixel composition | RGB |
Orientation | Normal |
Number of components | 3 |
Horizontal resolution | 180 dpi |
Vertical resolution | 180 dpi |
Software used | Adobe Photoshop Elements 20.0 (Macintosh) |
File change date and time | 13:16, 19 August 2023 |
Y and C positioning | Co-sited |
Exif version | 2.21 |
Date and time of digitizing | 16:33, 2 August 2023 |
Meaning of each component |
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Image compression mode | 3 |
APEX shutter speed | 7.96875 |
APEX aperture | 4.34375 |
APEX exposure bias | −0.33333333333333 |
Maximum land aperture | 4.34375 APEX (f/4.51) |
Metering mode | Pattern |
Flash | Flash did not fire, compulsory flash suppression |
Supported Flashpix version | 1 |
Color space | sRGB |
Focal plane X resolution | 16,460.905349794 |
Focal plane Y resolution | 16,483.516483516 |
Focal plane resolution unit | inches |
Sensing method | One-chip color area sensor |
File source | Digital still camera |
Custom image processing | Normal process |
Exposure mode | Manual exposure |
White balance | Auto white balance |
Digital zoom ratio | 1 |
Scene capture type | Landscape |
Lens used | 6.2-18.6 mm |
Date metadata was last modified | 09:16, 19 August 2023 |
Unique ID of original document | 2A26BF5DF685BCB131B7263961F256A6 |