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The “Guadalupe River Study” Lester McKee, John Oram, Jon Leatherbarrow SFEI Autumn Bonnoma, Mark Stephenson, Wes Heim MLML. Item #8. Small Tributary Loads. Item #8. Sampling Location. Item #8. Sampling. Item #8. Suspended Sediment Loads. Item #8. HgT v SSC (all data). Item #8.

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Presentation Transcript
slide1
The “Guadalupe River Study”

Lester McKee, John Oram, Jon Leatherbarrow SFEI

Autumn Bonnoma, Mark Stephenson, Wes Heim

MLML

Item #8

Small Tributary Loads
total mercury loads

Item #8

Total Mercury Loads

133% MAQ

111% MAQ

96% MAQ

methyl mercury loads

Item #8

Methyl Mercury Loads
  • 40 g or 0.5% of total Hg load
bedload mercury loads

Item #8

Bedload Mercury Loads
  • 1% of total Hg load
slide14

Item #8

Discharge

SSC

10,805 tons

53.1 Mm3

WY 2003

45.3 Mm3

8,578 tons

WY 2004

58.0 Mm3

4,575 tons

WY 2005

tpcbs vs ssc

Item #8

tPCBs vs. SSC

WY 2005 samples showed

increased separation between

rising and falling stages

project schedule

Item #8

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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