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Is there enough sand? Evaluating the fate of Grand Canyon sandbars
Large dams have the potential to dramatically alter the flow regime, geomorphology, and aquatic ecosystem of downstream river reaches. Development of flow release regimes in order to meet multiple objectives is a challenge facing dam operators, resource managers, and scientists. Herein, we review previous work and present new analyses related to the effects of Glen Canyon Dam on the downstream reach of the Colorado River in Marble and Grand Canyons. The dam traps the entire incoming sedimentdoi:10.1130/gsatg12a.1 fatcat:gzxgk2zb2zhb7ehtat6xfmzqhm