05 Jul River Metamorphosis, Neyyar
The fluvial systems are one the most dynamic environments of the earth s
surface, where interaction of meteorological, pedologic and fluvial processes jointly
act at varying scales to modify the physical aspects of the system. However, only in
the time frame of the geological processes the changes undergone by the fluvial
channels become perceptible. This end is achieved by study of landforms, from
topographic maps, aerial photographs and similar bases. Such river channel
changes have been traditionally designed as river metamorphosis, and the
erosional processes that have been active in the basin and which modified the
system are called geological erosion. According to Shumm such changes are
caused by large scale alteration in sediment and water discharge, related to
climatic accidents which lead to the changes of regimen of the system.
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