(d) Flow. 188 8.2 Proposed sequence of change on a fault scarp developed in alluvium, Nevada, USA. 196 8.3 mponents and linkages in Kirkby’s model of hillslope evolution. 197 8.4 Simulation of hillslope change for an initial gently sloping plateau ending in a steep bluff with a band of hard rock dipping at 10° into the hillside. 197