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Science As It Happens - Matched Photographs

Matched photographs of sandbars taken before and after the 2008 high-flow experiment are shown below. All of the sites here are below the confluence of the Paria and Colorado Rivers. The Paria River is a tributary to the Colorado River and is one of the primary sources of new sediment in the postdam era.

USGS photo of River Mile 3 taken on February 10, 2008

USGS photo of River Mile 3 taken on February 10, 2008 [View Hi-res Image -- 3.2 MB]

USGS photo of River Mile 3 taken after the high-flow experiment on March 18, 2008

USGS photo of River Mile 3 taken after the high-flow experiment on March 18, 2008 [View Hi-res Image -- 3.2 MB]

USGS photo of River Mile 6 taken on February 3, 2008

USGS photo of River Mile 6 taken on February 3, 2008 [View Hi-res Image -- 1.4 MB]

USGS photo of River Mile 6 taken after the high-flow experiment on March 29, 2008

USGS photo of River Mile 6 taken after the high-flow experiment on March 29, 2008 [View Hi-res Image -- 5.2 MB]

USGS photo of River Mile 45 taken on March 4, 2008

USGS photo of River Mile 45 taken on March 4, 2008 [View Hi-res Image -- 3.1 MB]

USGS photo of River Mile 45 taken after the high-flow experiment on March 14, 2008

USGS photo of River Mile 45 taken after the high-flow experiment on March 14, 2008 [View Hi-res Image -- 3.4 MB]

USGS photo of River Mile 51 taken on February 10, 2008

USGS photo of River Mile 51 taken on February 10, 2008 [View Hi-res Image -- 3.7 MB]

USGS photo of River Mile 51 taken after the high-flow experiment on April 1, 2008

USGS photo of River Mile 51 taken after the high-flow experiment on April 1, 2008 [View Hi-res Image -- 3.4 MB]

USGS photo of River Mile 65 taken on February 10, 2008

USGS photo of River Mile 65 taken on February 10, 2008[View Hi-res Image -- 3.1 MB]

USGS photo of River Mile 65 taken after the high-flow experiment on April 2, 2008

USGS photo of River Mile 65 taken after the high-flow experiment on April 2, 2008 [View Hi-res Image -- 2.8 MB]

NAU photo of River Mile 81 taken on February, 2008 (Roderic Parnell, Northern Arizona University)

NAU photo of River Mile 81 taken on February, 2008 (Roderic Parnell, Northern Arizona University) [View Hi-res Image -- 668 KB]

NAU photo of River Mile 81 taken after the high-flow experiment on April 6, 2008 (Roderic Parnell, Northern Arizona University)

NAU photo of River Mile 81 taken after the high-flow experiment on April 6, 2008 (Roderic Parnell, Northern Arizona University) [View Hi-res Image -- 624 KB]

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Last Update: November 3, 2011