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A Study of concurrent rainfall-runoff in austin , tx

A Study of concurrent rainfall-runoff in austin , tx. rose marie klee. problem. Tailwater assumptions Magnitude of concurrent events Waller Creek Tunnel Project. problem. Tailwater Elevation. problem. problem. problem. Background. Available guidance

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A Study of concurrent rainfall-runoff in austin , tx

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  1. A Study of concurrent rainfall-runoff in austin, tx rose marie klee

  2. problem • Tailwater assumptions • Magnitude of concurrent events • Waller Creek Tunnel Project

  3. problem Tailwater Elevation

  4. problem

  5. problem

  6. problem

  7. Background • Available guidance • Waller Creek and Colorado River basins • Areal Reduction Factors

  8. background

  9. background

  10. background

  11. methodology • Obtained Colorado River HMS model from LCRA • Computed ARFs • Used GIS to create/compute circular storm and calculate an aggregate ARF for each subbasin • Used HMS to model multiple storms in the Colorado River Basin • Evaluated results

  12. methodology

  13. methodology

  14. methodology

  15. methodology

  16. methodology

  17. results

  18. results

  19. results

  20. conclusions • Not the whole story…storms move; hydrograph timing is important. • Further work could include: elliptical storms, different reduction factors, moving storms, inclusion of hydraulic model, analysis of real storms.

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