File:Building a 3-D model of Yuba River canyon (6649710509).jpg
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editDescriptionBuilding a 3-D model of Yuba River canyon (6649710509).jpg | Dr. Greg Pasternack, hydrology professor at the University of California-Davis, photographs the Yuba River canyon below Englebright Dam near Smartsville, Calif., Jan. 6, 2012. Pasternack will compile the images to create a virtual 3-D model of the river canyon to aid future research. Under the direction of the National Marine Fisheries Service, the U.S. Army Corps of Engineers Sacramento District, which owns and manages the dam, has placed more than 5,000 tons of gravel in the river to improve spawning habitat for the threatened Chinook salmon and steelhead trout species. Pasternack designed the gravel injection project and is evaluating the gravel’s movement through the river course. (U.S. Army photo by Chris Gray-Garcia/Released) |
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Source | Building a 3-D model of Yuba River canyon |
Author | U.S. Army Corps of Engineers Sacramento District |
Camera location | 39° 14′ 08.06″ N, 121° 16′ 25.66″ W ![]() | View this and other nearby images on: OpenStreetMap | ![]() |
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This image or file is a work of a U.S. Army Corps of Engineers soldier or employee, taken or made as part of that person's official duties. As a work of the U.S. federal government, the image is in the public domain.
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This image was originally posted to Flickr by USACE-Sacramento District at https://flickr.com/photos/52057813@N07/6649710509. It was reviewed on 12 October 2016 by FlickreviewR and was confirmed to be licensed under the terms of the United States Government Work. |
12 October 2016
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 06:02, 12 October 2016 | ![]() | 4,928 × 3,264 (9.58 MB) | Vanished Account Byeznhpyxeuztibuo (talk | contribs) | Transferred from Flickr via Flickr2Commons |
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Camera manufacturer | NIKON CORPORATION |
Camera model | NIKON D5100 |
Exposure time | 1/60 sec (0.016666666666667) |
F-number | f/11 |
ISO speed rating | 400 |
Date and time of data generation | 11:45, 6 January 2012 |
Lens focal length | 130 mm |
Short title |
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Horizontal resolution | 240 dpi |
Vertical resolution | 240 dpi |
Software used | Adobe Photoshop Lightroom |
File change date and time | 15:33, 6 January 2012 |
Exposure Program | Manual |
Exif version | 2.3 |
Date and time of digitizing | 11:45, 6 January 2012 |
APEX shutter speed | 5.906891 |
APEX aperture | 6.918863 |
APEX exposure bias | 0.66666666666667 |
Maximum land aperture | 4.5 APEX (f/4.76) |
Metering mode | Pattern |
Light source | Unknown |
Flash | Flash did not fire |
DateTimeOriginal subseconds | 10 |
DateTimeDigitized subseconds | 10 |
Sensing method | One-chip color area sensor |
File source | Digital still camera |
Scene type | A directly photographed image |
Custom image processing | Normal process |
Exposure mode | Manual exposure |
White balance | Auto white balance |
Digital zoom ratio | 1 |
Focal length in 35 mm film | 195 mm |
Scene capture type | Standard |
Scene control | Low gain up |
Contrast | Normal |
Saturation | Normal |
Sharpness | Normal |
Subject distance range | Unknown |
Width | 4,928 px |
Height | 3,264 px |
Image width | 4,928 px |
Image height | 3,264 px |
Lens used | 55.0-300.0 mm f/4.5-5.6 |
Date metadata was last modified | 23:32, 6 January 2012 |
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IIM version | 2 |