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Title: Limnological assessment of West Point Lake, Georgia
Authors: Kennedy, Robert H.
Hains, John J.
Ashby, Steven L.
Jabour, William E.
Naugle, Burl.
Speziale, Barbara.
Keywords: Limnology--West Point Lake (Ga. and Ala.)--Evaluation
Water quality management--Georgia
Reservoirs--Chattahoochee River--Evaluation
Environmental monitoring--West Point Lake (Ga. and Ala.)
Publisher: Environmental Laboratory (U.S.)
U.S. Army Engineer Waterways Experiment Station.
Series/Report no.: Technical Report ; EL-94-6
Abstract: West Point Lake is a large hydropower reservoir constructed and operated by the U.S. Army Corps of Engineers on the Chattahoochee River in west-central Georgia. Water quality and mixing characteristics are markedly impacted by water and material loads from the river and by within-lake processes. In general, the lake is nutrient-rich and highly productive, and exhibits pronounced patterns in the distribution of chlorophyll and turbidity. Data derived from LANDSAT images and limnological surveys, as well as data resulting from intensive sampling in selected areas, were used to describe and assess observed patterns in the distribution of water quality variables. Cluster analyses identified four distinct lake regions characterized as lake-like with moderate to low nutrients and productivity (cluster 1), turbid nutrient-rich and advective (cluster 4), and intermediate to high in nutrient concentration and turbidity level. The latter regions are potentially sensitive to changes in nutrient input (cluster 2) or turbidity level (cluster 3). Conditions in the tailwater below West Point Dam were influenced by (a.) hydrograph changes resulting from hydropower operation, (b.) local impacts from inflowing tributaries, and (c.) "loss reactions," including oxidation, adsorption, and sedimentation.
Description: Technical Report
Gov't Doc #: Technical Report EL-94-6
Rights: Approved for Public Release; Distribution is Unlimited
Size: 203 pages/14.48 Mb
Appears in Collections:Technical Report

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