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Title

Oakland Bay Study: A dye and modeling study in an enclosed estuary with a high degree of refluxing

 
Publication number Date Published
04-03-020May 2004
VIEW NOW: Oakland Bay Study: A dye and modeling study in an enclosed estuary with a high degree of refluxing (Number of pages: 103) (Publication Size: 6MB)




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Author(s) Albertson, S.L.
Description The City of Shelton commissioned a study of their wastewater discharge via an outfall that straddles two (sanitary) lines, which define a shellfish closure zone in Oakland Bay and Hammersley Inlet. Ecology created a three-dimensional computer model, Hammersley Oakland Bay Oceanographic (HOBO), which was validated against a dye release experiment funded by FDA.

The model shows that extending the diffuser horizontally across Hammersley Inlet can be very effective in controlling dilution at the sanitary line, although releasing effluent too far north toward Munson Point can cause problems on the east end of the Oakland Bay sanitary line on flood tides. Holding back effluent at slack tide is another very effective method for controlling initial dilution at the sanitary lines. Finally, the Hammersley Inlet line could be moved closer to the discharge.
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Keywords ocean, environmental, health, model, study, waste, flood
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