Investigations of Sediment-water Interactions in Western U.S. Water Bodies
BENTHIC
FLUX OF METALS AND NUTRIENTS PROJECT
Investigations of Sediment-water Interactions in Western U.S. Water Bodies |
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BENTHIC
FLUX OF METALS AND NUTRIENTS PROJECT
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San Francisco Bay, CaliforniaSan Francisco Bay is a large, highly-urbanized estuary. Our project has focused on the southern component, which is a mix of seawater, direct run-off, and significant input from municipal treatment plants. This complex combination of sources, as well as the history of extensive local mercury mining, presents a dynamic chemical composition of the estuarine water and the sediment below. Our work predominantly studies how the porewater within that sediment can act as a source (and also a sink) of contaminants and other solutes for the overlying water. In 2008, a study was commissioned to investigate the consumption of oxygen by the sediments of former salt ponds near Alviso, California. Results of this study can be found here, or from the list below. In addition, investigations into nutrient flux from the sediment in North San Francisco Bay (including Grizzly Bay and Honker Bay) were also undertaken in 2008. These results were published in late 2009. Related Publications: Internal
Nutrient Sources and Dissolved Nutrient Distributions in Alviso Salt Pond
A3W, California [Link] Benthic Flux of Nutrients and Trace Metals in the Northern Component of San Francisco Bay, California Benthic Oxygen Demand in Three Former Salt Ponds Adjacent to South San Francisco Bay, California Sediment
Remobilization of Mercury in South San Francisco Bay, California Benthic Flux of
Dissolved Nickel into the Water Column of South San Francisco Bay Dissolved
Nickel and Benthic Flux in South San Francisco Bay: A Potential for
Natural Sources to Dominate |
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