ILLUSTRATIONS

Page

Figure

1.--Continuity of unsteady flow

6

2.--Simplified representation of energy in unsteady flow
6

3.--Two-dimensional finite difference analog
16

4.--Diffusion model () and k-634 model results (solid line) for 1,000-feet width channel, manning's n = 0.04, And various channel slopes,
24

5.--Comparison of outflow hydrographs at 5 and 10 miles
downstream from the dam-break site
25


6.--Comparison of depths of water at 5 and 10 miles
downstream from the dam-break site
27

7.--Dam-break study location
32

8.--Surveyed cross section locations on owens river
for use in k-634 model
34

9.--Floodplain computed from k-634 model
35

10.--Floodplain discretization for two-dimensional
diffusion hydrodynamic model
37

11.--Comparison of modeled water surface elevations
38

12.--Floodplain for two-dimensional diffusion
hydrodynamic model
39

13.--Diffusion hydrodynamic model one-dimensional
channel elements
42

14.--Grid element nodal molecule
43

15.--Diffusion hydrodynamic interface model
45

16.--Gradually varied flow profiles
49

17.--Cucamonga creek discretization
51

18.--Design storm for cucamonga creek
52

19.--Modeled runoff hydrographs for cucamonga creek
53
20.--Vicinity map for dam-break analyses
54

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