Down to Basics: Runoff Processes and the Modelling Process - Rainfall-Runoff Modelling: The Primer - page 11

(a) Infiltration Excess Overland Flow (Horton, 1933)
(b) Partial Area Infiltration Excess Overland Flow (Betson, 1964)
(c) Saturation Excess Overland Flow (Cappus, 1960; Dunne, 1970)
(d) Subsurface Stormflow (Hursh, 1936; Hewlett, 1961)
(e) Perched Subsurface Stormflow (Weyman, 1970)
Figure 1.4 A classification of process mechanisms in the response of hillslopes to rainfalls: (a) infiltration excess
overland flow (Horton, 1933); (b) partial area infiltration excess overland flow (Betson, 1964); (c) saturation
excess overland flow (Cappus, 1960; Dunne and Black, 1970); (d) subsurface stormflow (Hursh; Hewlett);
(e) perched saturation and throughflow (Weyman, 1970).