The Prediction of alterations and also general and partial transfers of pattern of the river is one of the main subjects concerning fluvial Geomorphology. In this article after introducing Geomorphology of the river and the explanation of study methods of rivers pattern. The Talar river has been examined.
First, the path of the river has been divided, considering pattern and then the alterations of pattern has been examined with the use of method of mattematical model and also with the use of Graphic and field methods. aero photographs taken in 1956 and 1995, were used as well.
The result of this examination indicates that the river hasn’t reached it’s own dynamic balance yet and alters at the beginning of plain.
At the terminal part, including meanderic pattern, alterations are restricted to the outside bank of bends. But alterations haven’t been accomplished in general pattern of the river.