latest one looks at the temporary sandbars and related features created along the Colorado River. Another looked at the impacts on rainbow trout and a third examined impacts on macroinvertebrates.
The study focused on habitat created by the sandbars and backwater areas, concluding that "steady flows are associated with a greater amount of continuously available backwater habitat than fluctuating flows, which result in a greater amount of intermittently available habitat."
Grams, P.E., Schmidt, J.C., and Andersen, M.E., 2010, 2008 high-flow experiment at Glen Canyon Dam; morphologic response of eddy-deposited sandbars and associated aquatic backwater habitats along the Colorado River in Grand Canyon National Park: U.S. Geological Survey Open-File Report 2010-1032, 73 p.
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