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San Francisco Estuary Institute Small Tributaries Loading Study Zone 4 Line A Sources Pathways and Loadings Workgroup May 2008 Lester McKee 1, Alicia Gilbreath 1, John Oram 1, Michelle Lent 1 and Rand Eads 2 1. San Francisco Estuary Institute 2. Rivermetrics Item #2a-1
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San Francisco Estuary Institute 4.5 km 2 area 1.7 km upstream of the bay Above the tidal influence Engineered urban channel Item #2a-1
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San Francisco Estuary Institute 38% industrial; 33% residential; 26% commercial; 2% open 4 km of rail bed Large impervious surfaces Item #2a-1
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San Francisco Estuary Institute Item #2a-1
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San Francisco Estuary Institute Instrumentation Item #2a-1
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San Francisco Estuary Institute Field Methods Item #2a-1
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San Francisco Estuary Institute Velocity Measurements and Discharge Rating Curve Max stage: 0.92 m Max Q: 8.7 cms Item #2a-1
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San Francisco Estuary Institute 21 storm events cumulative rainfall = 270 mm (10.6 in) 2007 Hydrology at Z4LA Item #2a-1
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Reporting progress Draft report 2/3 written –Anticipate completion in the next 1 week –Internal review (1 week) Email out for WG review in 2-3 weeks. San Francisco Estuary Institute Item #2a-1
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