Lake Nasser
Yes. The dam holds back water that would normally flow down the river, leading to water accumulating behind the dam: an artificial lake.
The dam retaining wall is an artificial land form.
A Dam
A Dam
The spillway of the Grand Coulee Dam is the HIGHEST, artificial waterfall in the world. The crest of the dam is 550 feet above the lowest bedrock.
The pressure of the water against the top of the dam wall, is much less than the pressure exerted against the bottom of the dam wall. The width of a dam wall increases to compensate for the increased water pressures at the lower level.
why are the walls of a dam thickened near the base
Resevoir
depends on the size, if its in a natural depression , install a dam, if its on level land dig a hole, and cover the bottom with clay, or dig down to bedrock,
no it can not
A dam is used to make an artificial lake in a river which can be used to generate hydroelectric power or as a reservoir.