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Small Tributary Loads

The “Guadalupe River Study” Lester McKee, John Oram, Jon Leatherbarrow SFEI Autumn Bonnoma, Mark Stephenson, Wes Heim MLML. Small Tributary Loads. Sampling Location. Sampling. Suspended Sediment Loads. HgT v SSC (all data). Sources of Mercury. Total Mercury Loads. 133% MAQ. 111% MAQ.

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Small Tributary Loads

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  1. The “Guadalupe River Study” Lester McKee, John Oram, Jon Leatherbarrow SFEI Autumn Bonnoma, Mark Stephenson, Wes Heim MLML Small Tributary Loads

  2. Sampling Location

  3. Sampling

  4. Suspended Sediment Loads

  5. HgT v SSC (all data)

  6. Sources of Mercury

  7. Total Mercury Loads 133% MAQ 111% MAQ 96% MAQ

  8. Methylmercury Concentrations

  9. Methyl Mercury Loads • 40 g or 0.5% of total Hg load

  10. Bedload Mercury Concentrations

  11. Bedload Mercury Loads • 1% of total Hg load

  12. Organic Contaminants Concentrations

  13. Organic ContaminantsLoads

  14. Organic Contaminants WY 2003 WY 2004 WY 2005

  15. Project Schedule • WY 2005 • Report completed read for review • WY 2006 funded by USACE/SCVWD / RMP • Complete QAQC for all WYs and get the data on the WWW • Write papers for Journal • WY 2007 funded? • Only WY 2006 currently guaranteed but everything in place for continuation • RMP funding not yet discussed • Future Modeling (if funding is found)? • Explore transport processes in more detail • Explore and predict the effects of management on Hg loads

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