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The riverine tracer-gas technique provides a direct, reach-averaged measure of gas exchange, is fairly simple to implement, and is widely accepted for determining reaeration-rate coefficients in rivers. The method, however, is not directly applicable to flows having vertical density gradients. Consequently, studies were undertaken to develop and evaluate methods for obtaining surface-exchange coefficients from estuarine tracer-gas data. Reasonable estimates of the desorption coefficient (within 50 percent of the correct value) were obtained when an analytical solution of the transport equation was compared with data from a numerically simulated continuous release of tracer gas.
Additional Publication Details
ANALYSIS OF ESTUARINE TRACER-GAS TRANSPORT AND DESORPTION.
New York, NY, USA
Number of Pages:
Hydraulic Engineering, Proceedings of the 1987 National Conference.