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Geology Discussion Research
Why do some rivers develop meanders? What characteristics of flow lead to this sinuosity?
Meanders refer to a curve or bend along the course of a river. These meanders are usually as a
result of two processes namely: erosion and deposition (Lewin, John and Philip 85). They are
mostly found in the middle and the lower courses of the river because it at these stages of the
river where the vertical type of erosion has been replaced by the sideways type of erosion
referred as the lateral erosion. Notably, at this point there is also some deposition occurring at the
Basically, there are three processes which lead to these characteristic features along the
river. These processes are erosion, transportation as well as deposition. In its slow flowing, a
river winds around bars or sediments leading to creation of swing like kind of flow from side to
side (Church and Ferguson 1886). This swinging towards the river bank causes an undercutting
while on the opposite side where the river’s velocity is relatively slow materials are deposited. At
this point the river gets narrow.
What are the diffe...