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Title: Using radiotracer techniques for coastal hydrodynamic model evaluation
Authors: Hughes, CE
Airey, PL
Duran, EB
Miller, BM
Sombrito, E
Keywords: Molybdenum
Issue Date: 2004
Publisher: Elsevier Science Ltd.
Citation: Hughes, C.E., Airey, P.L., Duran, E.B., Miller, B.M. & Sombrito, E. (2004). Using radiotracer techniques for coastal hydrodynamic model evaluation. South Pacific Environmental Radioactivity Association: 2002 Conference, Sydney, Australia, 13–17 May 2002. In Journal of Environmental Radioactivity, 76 (1-2), 195-206. doi:10.1016/j.jenvrad.2004.03.026
Abstract: A three-dimensional (313) water circulation and contaminant transport model of Manila Bay has been developed with the aim of better understanding the formation and movement of harmful algal blooms. Radiotracer techniques were used to evaluate the model by recording the dispersion of a tracer at depths of 2 and 15 m near the injection point. The selected tracer was Tc-99m eluted from a molybdenum/technetium medical generator. The rationale for the choice of the tracer and the location of the injection is discussed. At 2 m the transport was dominated by the prevailing winds, and at 15 m by tidally induced currents. The development of the hydrodynamic model and its experimental evaluation were iterative processes. The experimental study confirmed the need for full 3D modelling of Manila Bay; quantified the impact of the prevailing wind field on contaminant dispersion near the injection point; and allowed the calculation of transverse dispersivity to guide the selection of parameter values used in the overall model. Crown Copyright © 2004 Elsevier Ltd.
Gov't Doc #: 5223
ISSN: 0265-931X
Appears in Collections:Conference Publications

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