A Field Guide to British Rivers. George Heritage

Boulder splay R O O O Slumped valley side deposits O O O O R R R O O O R Terrace R O O O O O O O O Inactive floodplain R C C C C C C U Active floodplain R U U O O O O Inset berm R O O O O C C C C Palaeo‐channel U C O O O O Avulsion driven cut‐off U C O O O Chute cut‐off channel U C O O O Gravel splay R U U O O O

      U = Ubiquitous, C = Common, O = Occasional, R = Rare. BC= Bedrock cascade, SP= Step pool channel, BCPR = Boulder and cobble pool‐rapid, PBR = Plane bed rapid, B = Braided, W = Wandering, A = Anastomosed, PLR = Plane‐riffle, POR = pool‐riffle, PRBR = Pool‐riffle point bar, IST = Inactive single thread.