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Colorado River Eddy Sandbar Dynamics Data

Data for journal manuscript:Variability in eddy sandbar dynamics during two decades of controlled flooding of the Colorado River in the Grand Canyon


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Mueller, E.R., Hazel, J.E., Jr., Ross, R.P., and Grams, P.E., 2019, Colorado River Eddy Sandbar Dynamics Data: U.S. Geological Survey data release,


These data are a compilation of the characteristics of eddy sandbars, eddy sandbar areas and volumes measured between 1990 and 2015, and longitudinal metrics of the Colorado River in Grand Canyon National Park, Arizona. These data were used to evaluate the response of sandbars to controlled floods implemented in 1996, 2004, 2008, 2012, 2013, and 2014. These data were also used to characterize the variability in response among the monitoring sites and classify those monitoring sites into six characteristic groupings. These data were used to show that the characteristics of channel width, water-surface-elevation (stage) change between normal flows and controlled floods, and amount of vegetation cover are correlated with sandbar response [...]


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Original FGDC Metadata

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These data were collected for the purpose of monitoring changes in alluvial sandbars along the Colorado River in Grand Canyon National Park. These data are used to monitor sandbar deposition that occurs during controlled floods and to monitor sandbar erosion following controlled floods. These data are used to evaluate the effects of the operations of Glen Canyon Dam on sandbars along the Colorado River in Grand Canyon.


The authors of these data request that data users contact them regarding intended use and to assist with understanding limitations and interpretation. Unless otherwise stated, all data, metadata and related materials are considered to satisfy the quality standards relative to the purpose for which the data were collected. Although these data and associated metadata have been reviewed for accuracy and completeness and approved for release by the U.S. Geological Survey (USGS), no warranty expressed or implied is made regarding the display or utility of the data for other purposes, nor on all computer systems, nor shall the act of distribution constitute any such warranty.



  • USGS Data Release Products
  • USGS Southwest Biological Science Center (SBSC)



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DOI doi:10.5066/F7HD7SSW

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