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Title: Water quality modeling study of proposed reregulation dam downstream from Buford Dam, Chattahoochee River, Georgia
Authors: Zimmerman, Marc James, 1947-
Dortch, Mark S.
Keywords: Water quality--Chattahoochee River--Mathematical models
Diversion structures (Hydraulic engineering)--Chattahoochee River--Environmental aspects--Mathematical models
Chattahoochee River--Regulation--Mathematical models
Chattahoochee River--Temperature--Mathematical models
Publisher: Environmental Laboratory (U.S.)
U.S. Army Engineer Waterways Experiment Station.
Series/Report no.: Technical Report;EL-88-14
Abstract: A one-dimensional dynamic, riverine water quality model was applied in a study for a proposed reregulation (rereg) darn 6.3 miles (10 km) below Buford Darn on the Chattahoochee River near Atlanta, GA. The study area extended from Buford Darn to the mouth of Peachtree Creek (approximately 48 river miles). Numerous operational scenarios, with and without the proposed rereg darn, were considered. Primary concerns about the effects of darn operations on water quality were potential temperature increases and concentrations of dissolved oxygen and dissolved metals. Results generally showed that operating a rereg darn in this system would result in temperature increases in the river mainly due to the volume of warmer releases from Buford Darn; in addition, rereg darn operations would lower the concentrations of dissolved metals. In the rereg pool, dissolved oxygen concentrations may be low in the fall, but should exceed 5.0 mg/l at all times downstream.
Appears in Collections:Technical Report

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