The extra rainfall would increase the river's speed and erosion power. Such a river is classed as being in spate (a term for a sudden flood in a river). Such an increase could result in flooding, especially in the lower reaches, on what is the river's flood plain.
the water from the lake will start to decrease
An increase in Rainfall.....
The river would flood cities near the Mississippi River.
It is simply called rainfall
High intensity rainfall can cause or lead to flooding because its allot of rainfall in a short amount of time meaning there wont be time for much of the rain to be infiltrate into the soils which leads to increased surface runoffs which increases the discharge in the river leading to floods.
9ft
129mm
The vast majority of rainfall is upstream, with virtually no rainfall in Sudan or Egypt.
The Mississippi River's watershed area, and rainfall.
none
Tides as far up river as Teddington Lock and heavy rainfall in the rest of the river.
Heavy rain causes the river level to rise, and the speed of the water increase. If the level rises too much, or there is a weakness in the containing river banks, the water will overflow and flood the surrounding land.
In the Ethiopian Highlands.