File:Great Fountain Geyser (sunset, 10 August 2016) 4 (29594674413).jpg
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Summary
[edit]DescriptionGreat Fountain Geyser (sunset, 10 August 2016) 4 (29594674413).jpg |
Great Fountain Geyser is a major geyser in Yellowstone's Lower Geyser Basin. Eruptions occur about twice a day and are 1 to 2 hours in duration. The geyser consists of a large, subcircular, concentrically-terraced geyserite platform that is 55 to 60 meters in diameter. The slightly off-center, irregularly-shaped vent is 5.5 to 6.5 meters across. Runoff channels radiate outward to the west, northwest, north, and northeast. Much of the eruption runoff ends up percolating downward in the surrounding fields. Some runoff ends up draining into White Creek and the Tangled Creek valley. About 70 to 100 minutes before an eruption, overflow commences from the vent. As the eruption nears, moderately energetic, marginal boiling occurs in the vent. Eruption initiations are called "meter boils", involving a decent-sized upward-doming of water. Tall eruptive bursting can occur immediately or will be delayed by many minutes (this is called a "pause"). Great Fountain Geyser erupts in "series", during which there is a succession of small to very tall bursts for about ten minutes. The first series is typically the tallest and showiest. Pauses between series are about five minutes long. Eruption heights are generally lower in successive series. The first few bursts of any individual series are often the tallest and most energetic. |
Date | |
Source | Great Fountain Geyser (sunset, 10 August 2016) 4 |
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@N05/29594674413. It was reviewed on 13 July 2021 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
13 July 2021
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current | 01:17, 13 July 2021 | 4,000 × 2,797 (5.12 MB) | Ser Amantio di Nicolao (talk | contribs) | Transferred from Flickr via #flickr2commons |
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Camera manufacturer | Canon |
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Camera model | Canon PowerShot D10 |
Exposure time | 1/500 sec (0.002) |
F-number | f/2.8 |
ISO speed rating | 80 |
Date and time of data generation | 20:34, 10 August 2016 |
Lens focal length | 6.2 mm |
Image title | |
Width | 4,000 px |
Height | 3,000 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 13.0 (Macintosh) |
File change date and time | 19:16, 9 October 2016 |
Y and C positioning | Co-sited |
Exif version | 2.21 |
Date and time of digitizing | 20:34, 10 August 2016 |
Meaning of each component |
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Image compression mode | 3 |
APEX shutter speed | 8.96875 |
APEX aperture | 2.96875 |
APEX exposure bias | −0.33333333333333 |
Maximum land aperture | 2.96875 APEX (f/2.8) |
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 | Manual white balance |
Digital zoom ratio | 1 |
Scene capture type | Landscape |
Lens used | 6.2-18.6 mm |
Date metadata was last modified | 13:16, 9 October 2016 |
Unique ID of original document | 680AABB4171EC19FE66D750B209B7165 |