ACOUSTIC DOPPLER VELOCIMETER BACKSCATTER FOR QUANTIFICATION OF SUSPENDED SEDIMENT CONCENTRATION IN SOUTH SAN FRANCISCO BAY
نویسندگان
چکیده
منابع مشابه
Suspended sediment and sediment-associated contaminants in San Francisco Bay.
Water-quality managers desire information on the temporal and spatial variability of contaminant concentrations and the magnitudes of watershed and bed-sediment loads in San Francisco Bay. To help provide this information, the Regional Monitoring Program for Trace Substances in the San Francisco Estuary (RMP) takes advantage of the association of many contaminants with sediment particles by con...
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This study demonstrates the use of suspended-sediment concentration (SSC) data collected at Mallard Island as a means of determining suspended-sediment load entering San Francisco Bay from the Sacramento and San Joaquin River watersheds. Optical backscatter (OBS) data were collected every 15 min during water years (WYs) 1995–2003 and converted to SSC. Daily fluvial advective sediment load was e...
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Smooth cordgrass (Spartina alterniflora), a tall grass native to the east coast, has invaded Willapa Bay, Washington, and the San Francisco Bay, California. Management with glyphosate and imazapyr can be effective, but in the San Francisco populations, applications in several sites are confined to short periods in the fall in order to protect nesting habitats of Clapper rails (Rallus longirostr...
متن کاملPolychlorinated biphenyls (PCBs) in San Francisco Bay.
San Francisco Bay is facing a legacy of polychlorinated biphenyls (PCBs) spread widely across the land surface of the watershed, mixed deep into the sediment of the Bay, and contaminating the Bay food web to a degree that poses health risks to humans and wildlife. In response to this persistent problem, water quality managers are establishing a PCB total maximum daily load (TMDL) and implementa...
متن کاملPesticides Associated with Suspended Sediments in the San Francisco Bay During the First Flush, December 1995
The majority of suspended sediments are transported into estuaries by the “first flush” – runoff from the first major storm of the water year. Pesticides associated with these sediments may represent a significant fraction of pesticides transported to estuaries, where they have different environmental effects than dissolved pesticides. Water and suspended sediment samples were collected at the ...
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ژورنال
عنوان ژورنال: Coastal Engineering Proceedings
سال: 2017
ISSN: 2156-1028,0589-087X
DOI: 10.9753/icce.v35.sediment.34