60
Exercise 5
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LAG TIME
~r-_
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HOURS
Figure 5.5. Stream hydro graph resulting from a single storm event. [Redrawn from data of
Beaumont (1975).J
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500
100
1,000
10,000
DRAINAGE AREA (km2)
Figure 5.6. Relationships between mean annual flood and size of drainage area for some of
the hydrologic regions given within the area identified as I-B in Fig. 5.7. [Redrawn from data
ofTice (l968).J
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