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Upstream Propagation of MFLs Using A Reach-Based Methodology

Upstream Propagation of MFLs Using A Reach-Based Methodology. John Good & Rob Mattson. Lower Suwannee River MFL. Charge to District Staff. Establish MFLs District-wide for priority water bodies ± 5 year time-frame Best available data Focus initially on the Suwannee River

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Upstream Propagation of MFLs Using A Reach-Based Methodology

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  1. Upstream Propagation of MFLs Using A Reach-Based Methodology John Good & Rob Mattson

  2. Lower Suwannee River MFL

  3. Charge to District Staff • Establish MFLs District-wide for priority water bodies • ± 5 year time-frame • Best available data • Focus initially on the Suwannee River • Including springs

  4. U D Reach Schematic: Single Reach

  5. FDCs Up- & Downstream

  6. Water Availability

  7. Ratio Process

  8. “Initial” Upstream MFL

  9. U D Reach Schematic: Single Reach ?

  10. Adequacy of Upstream MFL

  11. Reach Yield Calculations

  12. Lower Suwannee River MFL

  13. The Issue • Loss of time-sequence by use of FDC • Testing underway using HEC-RAS dynamic model to examine routing/channel storage/pickup effects • Jennifer Jacobs (UNH) • Patrick Tara (Intera, Inc.)

  14. U1 U2 D Stream Reach Schematic: Branching Stream

  15. U D Reach Application to Springs R • Eg.: • Mad Blue • Troy • Ichtucknee • Fan/Man Ri R • Sam Upchurch (SDII, Inc.)

  16. More Issues • Further development of how to characterize reach MFL • GW and springs • Branching • Santa Fe land bridge • Existing biological information

  17. Questions?

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