Sinuous movement of the river on hard rock surface is called incised or entrenched meanders while the sinuous movement of the river in alluvial plains is called simply meander. The meandering of channels is formed when it is an old stage of the lifecycle.
In the old stage of the erosional cycle, they are not able to erode the river bed further, and hence incised meanders in rocks and meanders in plains indicate the original land surface [ bed rock] where it has developed.
Try to solve the following questions:
- What do incised meanders in rocks and meanders in plains of alluvium indicate? (NCERT, Class 11)
- Define the term "meander" and describe the basic characteristics of entrenched meander and ingrown meander. (UPSC 2014)
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