Tag «valley development»

Erosion

Erosion may be defined as the wearing down of Earth’s surface through weathering and the transportation of the particles to distant places. For example, the boulder is first loosened in a mass movement and then its pieces are carried by the stream. Similarly, moving angular pieces of rocks produce etching which cuts the surface of …

Stages of Valley Development:

The development of stream valleys takes place in a orderly fashion. A valley passes through three stages during its evolution. The three stages are (i) Youth Stage, (ii) Mature Stage, and (iii) Old Stage. (1). Youth or Early Stage: A stream is said to be in the youth stage when it cuts its valley downward …