Using Water As A Resource
What Is A Hydroelectric Dam?
Effects An Hydroelectric Dam Has
Effects On The Enviroment, And People.
-if electricity isn't needed, the dam saves the water for the next time they do
-building a large dam alters the natural level of the water (natural water table level) example-> in Egypt, the Aswan dam has altered the level of the water table and it's now ruined ancient monuments
-hydroelectric power prevents burning 22 billion gallons of oil
-when the dam is being used, it doesn't produce green house gases. They don't pollute the atmosphere
-the flooding of the large areas of the land means that the natural environment is destroyed
-when building the dam it triggered a number of erosions (earth quakes)
-May effect fish
-the lake that forms behind the dam can be used for water activitys and purposes, such as boating, fishing, tubing, ect.
-the people living where it's going to be flooded for the dam will have to move out, some people have farms and businesses.
Long Term Effects
-it takes 4-7 years to build a safe, good working dam
-climate change will have and impact
-hydroelectric power provides about 10% of the U.S electricity
-Canada is the largest producer of hydroelectric power in the world, U.S is the second.
-Norway produces more than 99% of its electricity with hydroelectric power
Where You Can Find More Information