Best Site For A Dam (2)

Question 1

Valley

Answer 1

Deep as this will result in a smaller surface area for the reservoir, reducing loss from evaporation

Question 2

Impermeable rock

Answer 2

Reduces loss from the reservoir by percolation

Question 3

Site close to construction materials

Answer 3

Helps to reduce the cost of transporting these materials to the construction site

Question 4

Area free from earthquakes

Answer 4

Area needs to be able to support large dam weight

Question 5

Site close to areas of farmland or urban areas

Answer 5

Helps to reduce water/electrical loss during transportation

Question 6

Costs involved in moving people

Answer 6

To the area to be flooded to reduce costs for compensation and re-housing

Question 7

Land to be flooded

Answer 7

Should not be valuable for example high quality farmland or of historic/environmental importance

Question 8

Area with

Answer 8

Plentiful supply of snowmelt/rainfall/river water is required to ensure a consistently high volume of water in the reservoir

Question 9

Cross section

Answer 9

Narrow in order to reduce construction costs of the dam