Hydrograph recession analysis

Hydrograph; quickflow (volume); baseflow (volume); rising limb; hydrograph peak; falling limb = recession curve; quickflow recession; baseflow recession; seperation point; inflection point; time of concentration; perenial; ephemeral; wadi; recession constant; characteristic of a negative exponential curve; hydrograph separation: constant discharge method, constant-slope inflection-point method, concave-slope inflection-point method