36
Fig. 2.10 Idealized examples of different components of a river hydrograph. (a) An event hydrograph for a single flood, showing the rising limb, flood peak, falling limb, and volume of storm
runoff that exceeds base flow. (b) Average annual hydrograph for a river dominated by snowmelt
runoff, which has a single annual peak of longer duration and slower rates of rise and fall than the
more frequent but shorter duration peaks of a river dominated by rainfall runoff
2 Rivers as Ecosystems
Fig. 2.10 Idealized examples of different components of a river hydrograph. (a) An event hydrograph for a single flood, showing the rising limb, flood peak, falling limb, and volume of storm
runoff that exceeds base flow. (b) Average annual hydrograph for a river dominated by snowmelt
runoff, which has a single annual peak of longer duration and slower rates of rise and fall than the
more frequent but shorter duration peaks of a river dominated by rainfall runoff
2 Rivers as Ecosystems