Point bar: This can also be referred to as a slip-off slope or a river beach.
Convex bank
Concave bank
Slowest current – deposition
Fastest current – lateral erosion
River cliff
Channel migrates
Fig. 8.17(b) Front profile of a meander being formed. EXAM TIP (HL)
In the 2018 Higher Level paper, students were asked to describe the formation of a feature they could identify on the Ordnance Survey map extract accompanying the exam. Meanders can be identified on most OS map exam extracts, as they are typically taken from low- lying areas.
EXAM LINK (HL)
Possible exam question (30 marks)
Explain, with the aid of a labelled diagram(s), the formation of one landform created by both erosional and depositional processes.
Marking Scheme:
Named landform = 2 marks
Explanation = 14 SRPs × 2 marks
Fig. 8.17(c) Meander: notice the point bar on the inner bend and river cliff on the outer bend of the river.
River cliff
Point bar
Well-developed meanders
Fig. 8.17(d) Meanders (pronounced bends) on an OS map. 112
