FLOOD01413

• County: Elbert
• Title: Use of Rainfall-Simulator Data in Precipitation-Runoff Modeling Studies
• Date: 1/1/1983
• Prepared For: Elbert County
• Prepared By: USGS
• Floodplain - Doc Type: Educational/Technical/Reference Information

ILLUSTRATIONS--Continued

Page

Figure 13-18. Graphs showing model calibration of simulator runs:
13. Plot 3, 1981---------------------------------------- 24

14. Plot 4, 1981---------------------------------------- 25
15. Plot 5, 1981---------------------------------------- 26
16. Plots 1 and 2, summer 1982-------------------------- 28
17. Plots 3, 4, and 5, summer 1982---------------------- 29
18. Plots 1 and 3, fall 1982---------------------------- 30
19-22. Graphs showing model calibration using observed data:
19. Plot 1---------------------------------------------- 35
20. Plot 2---------------------------------------------- 36
21. Plot 3---------------------------------------------- 37
22. Plot 4---------------------------------------------- 38
23. Graph showing precipitation in observed
storms at Willow Gulch, 1982--------------------------- 39
24. Map showing hydrologic-response units, subbasins, and
drainage network in North Fork Willow Gulch------------ 42
25. Diagram showing conceptual view of North Fork
Willow Gulch watershed showing flow planes,
channel segments, and junctions------------------------ 43
26-34. Graphs showing modeling results of North
Fork Willow Gulch:
26. June 25, 1982, using parameters from
simulation runs on p1ots-------------------------- 45
27. June 25, 1982, using parameters from
storm data on p1ots------------------------------- 46
28. July 26, 1982, using parameters from
simulation runs on p1ots-------------------------- 47
29. July 26, 1982, using parameters from
storm data on p1ots------------------------------- 48
30. August 10, 1982, using parameters from
simulation runs on p1ots-------------------------- 50
31. August 10, 1982, using parameters from
storm data on p1ots------------------------------- 51
32. June 25, 1982. KSAT parameter lowered slightly
and precipitation raised 40 percent--------------- 53
33. July 26, 1982. KSAT parameter obtained from
simulation plots and precipitation
lowered 10 percent-------------------------------- 54
34. August 10, 1982. KSAT parameter lowered slightly
and precipitation raised by 10 percent------------ 55
35. Photograph showing trees deposited
in channels by tornado------------------------~-------- 56
36. Photograph showing tree lodged above supercritica1
flow flume on North Fork Willow Gu1ch------------------ 56

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