Research Article
Apr 1972
Tidal Exchange at Golden Gate
Publication: Journal of the Sanitary Engineering Division
Volume 98, Issue 2
Abstract
Tidal exchange can be a powerful mechanism for flushing pollutants from bays and estuaries. Tidal exchange is defined by a ratio describing the portion of the flooding tide which is ocean water entering the bay for the first time. An interagency program, headed by Brown and Caldwell and the State of California Department of Water Resources, was organized to undertake the measurement of tidal exchange ratio at the mouth of the Golden Gate. A theory was developed which allowed tidal exchange to be derived from measurements of a naturally occurring tracer, chloride. Field measurements of the tracer were made on two occasions for an ebb tide and a following flood tide, and for background ocean conditions. An exact description of flow through the ocean-bay interface is not required. Tidal exchange during the dry weather period of low fresh water inflow to the estuary was found to correlate with flood tide range and to average 24%.
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Published In
Journal of the Sanitary Engineering Division
Volume 98 • Issue 2 • April 1972
Pages: 305 - 323
Copyright
© 1972 American Society of Civil Engineers.
History
Published in print: Apr 1972
Published online: Feb 12, 2021
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Authors
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Denny S. Parker, AM.ASCE
Proj. Engr.; Brown and Caldwell, Inc., San Francisco, CA
Dan P. Norris, M.ASCE
Proj. Engr.; Brown and Caldwell, Inc., San Francisco, CA
Austin W. Nelson
Civ. Engr.; State of California Dept. of Water Resources, Sacramento, CA
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.