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Guadalupe River Small Tributaries Loading Study: Do we continue? If so How!!

San Francisco Estuary Institute. Item #3b. Guadalupe River Small Tributaries Loading Study: Do we continue? If so How!!. Lester McKee San Francisco Estuary Institute, Oakland, CA. Sediment Load Variability in the Bay Area. Sediment Load Variability in the Bay Area.

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Guadalupe River Small Tributaries Loading Study: Do we continue? If so How!!

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  1. San Francisco Estuary Institute Item #3b Guadalupe River Small Tributaries Loading Study: Do we continue?If so How!! Lester McKee San Francisco Estuary Institute, Oakland, CA

  2. Sediment Load Variability in the Bay Area

  3. Sediment Load Variability in the Bay Area Guadalupe sediment load variation predicted to be 2,300x

  4. Rainfall Intensity Hypothesis Hg (mg/kg)

  5. Measured Hg Loads Variation

  6. Estimated Hg Load Variability

  7. Options for Continuation(see word document for details) • Option 1: Discontinue • $0k • Option 2: Continue Status Quo • $80k per year (local sponsor) + $50k per year (RMP) = $130k/y • Option 3: Large Floods Only – Falling Stage • $35k per year (USGS) (every year ongoing) • $15k (SFEI labor) + $10k (Hg lab analysis) only when a large flood occurs = $25k • $140k full study every 5 years (next time would be in water year 2011)

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