Floodplain Management SESSION 26. Rivers as a Legal Battleground Human occupancy of floodplains and urban riverfronts Prepared by Frank Westerlund, Ph.D. . Human occupancy of floodplains and urban riverfronts. Objectives:
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Rivers as a Legal Battleground
Human occupancy of floodplains and urban riverfronts
Prepared by Frank Westerlund, Ph.D.
26.1 Discuss the history and evolution of human occupancy of floodplains and urban riverfronts
26.2 Identify values people place on floodplains and riverfronts
27.3 Identify planning and design principles for human use of floodplains and riverfronts that optimize values and sustain natural system functions
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RATIONAL MODEL FOR COMPUTING Q PEAK DISCHARGE FROM A WATERSHED OR SUBBASIN
Where Q = Peak discharge in cubic feet. Per second
A = Area of the watershed in acres
C = Coefficient of runoff for the watershed, based on area-proportional, combined runoff coefficients for slop, land cover and soil types
T = Concentration time (in minutes)
I = Maximum rainfall intensity (in inches per hour) that can occur during the concentration time
M = Mannings’s coefficient of roughness
Q = f ( A, C, T, I, M )
Create a Hydrologically Functional Lot
Direction of Scour
Overhanging vegetation replaced by development on high bank
The Meewasin Valley Authority is a conservation organization dedicated to protecting the natural and cultural heritage resources of the South Saskatchewan River Valley in Saskatoon, Canada