File:Isa Lake (Craig Pass, Yellowstone, Wyoming, USA) 2 (44217699782).jpg
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[edit]DescriptionIsa Lake (Craig Pass, Yellowstone, Wyoming, USA) 2 (44217699782).jpg |
Isa Lake is a small, elongated lake that sits on the Continental Divide at Craig Pass in Yellowstone, Wyoming, USA. It is the only body of water in the world that occurs at a continental divide. When in overflow, part of Isa Lake drains into rivers that, ultimately, lead to the Gulf of Mexico, while the other part of the lake drains into Pacific Ocean. From park signage: The Continental Divide [is an] imaginary line [that] winds it sway through the mountains from Alaska to Mexico, separating waters that flow into the Pacific Ocean from those that flow into the Atlantic Ocean. Every continent except Antarctica has a continental divide, and a few have more than one. While water from these divides normally flows to an ocean, it sometimes becomes trapped in a basin where it can only escape through evaporation or seepage. These areas are known as endorheic basins. Big Deal for a Little Lake Other than the brief summer months spent carpeted by beautiful yellow pond lilies, this sliver of water seems rather insignificant. Looks can be deceiving! As spring runoff empties into Isa Lake, the water swells and overflows its tiny borders. When this happens, the lake does something extraordinary. Not only does it empty into two oceans, but it does so backwards. The east drainage flows into the Pacific, while the west drainage makes the long trek to the Gulf of Mexico. See info. at: <a href="https://en.wikipedia.org/wiki/Isa_Lake" rel="nofollow">en.wikipedia.org/wiki/Isa_Lake</a> |
Date | |
Source | Isa Lake (Craig Pass, Yellowstone, Wyoming, USA) 2 |
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@N05/44217699782 (archive). It was reviewed on 28 January 2020 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
28 January 2020
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current | 02:28, 28 January 2020 | ![]() | 4,000 × 3,000 (5.97 MB) | Ser Amantio di Nicolao (talk | contribs) | Transferred from Flickr via #flickr2commons |
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Camera manufacturer | Canon |
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F-number | f/4.5 |
ISO speed rating | 80 |
Date and time of data generation | 10:39, 15 August 2018 |
Lens focal length | 14.303 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 | 16:48, 25 August 2018 |
Y and C positioning | Co-sited |
Exif version | 2.21 |
Date and time of digitizing | 10:39, 15 August 2018 |
Meaning of each component |
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Image compression mode | 3 |
APEX shutter speed | 8.65625 |
APEX aperture | 4.34375 |
APEX exposure bias | −0.66666666666667 |
Maximum land aperture | 4.34375 APEX (f/4.51) |
Metering mode | Pattern |
Flash | Flash did not fire, compulsory flash suppression |
Supported Flashpix version | 1 |
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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 | 12:48, 25 August 2018 |
Unique ID of original document | 28A946F979A9907148A028FADBCC62D7 |