Critique of Floating‐Dome Technique for Estimating Reaeration Rates
Publication: Journal of Environmental Engineering
Volume 117, Issue 1
Abstract
Analysis of the floating-dome reaeration measurement technique by comparing dome oxygen-exchange rates and actual free-exchange rates indicates that the technique results in erroneous values. Significant temperature changes in the dome, which are common and do not represent the atmosphere-water interfacial region, introduce calculation errors not compensated for in the methodology. Additionally, the dome protects the water surface and reduces the contribution of wind-induced turbulence, a significant factor in reaeration. Based on these facts, it appears the dome technique is not an accurate or useful method for reaeration measurements.
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Information & Authors
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Published In
Journal of Environmental Engineering
Volume 117 • Issue 1 • January 1991
Pages: 144 - 150
Copyright
Copyright © 1991 ASCE.
History
Published online: Jan 1, 1991
Published in print: Jan 1991
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