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Title: Effect of Long Internal Waves on the Quality of Water Withdrawn from a Stratified Reservoir Authored by: Anohin, V.V., Imberger, J., Romero, J.R. and Ivey, G.N. Abstract:
The properties of water withdrawn from a stratified reservoir are investigated in a field study conducted in Lake Burragorang, Australia. On a seasonal scale, it is shown that temperature and turbidity fluctuations of the extracted water are directly correlated to the vertical displacement of the thermal structure of the reservoir immediately in front of the offtake and the thickness of the selective withdrawal layer. The displacement is due to basin-scale internal waves that both advect the stratification vertically past the offtake and, in special circumstances, may stir up sediment immediately in front of the offtake structure. The Lake Number, that determines the character of the basin-scale response, may thus be used as a predictor for the fluctuations of the properties of the water withdrawn from the offtake during the stratified period.
Reference: Anohin, V.V., Imberger, J., Romero, J.R. and Ivey, G.N., 2006, Effect of Long Internal Waves on the Quality of Water Withdrawn from a Stratified Reservoir, 132(11): 1134 - 1145 Keywords: CE Database keywords: selective withdrawal, layer thickness, internal waves, water quality, outflow, reservoirs |
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