-The water level in the river.-Water content range from rock and soil from the surface-based branch is now on water areas.-The rainfall falls in the project area
- The water level in major rivers - the amount of flooding along the tributaries and the upper surface of the catchment area - the amount of rain water in the project area.
- the water level in the main river -. The floods along the tributaries and according to surface water catchment area of upper -. Rainfall falling in the project area .