GEOGRAPHY WORD MEANINGS CT 2 SUPERDAMS

Superdams

Large dams over 150m high.

Ores

Rocks from which useful materials can be taken.

Deforestation

Cutting down trees and clearing areas of forest.

Reservoir

The artificial lake that is created when a river is dammed.

Irrigation

Transporting water to an area where there is a water shortage, usually for growing crops.

Gorge

A narrow; steep sided valley.

Soil erosion

The removal of soil from an area by wind or water.

Appropriate technology

Tools or machines using a suitable level of technology.

Bunds

A low earth wall built along the contour of a field which slows down the runoff of rainwater, preventing soil erosion.

Tributaries

A smaller river or stream which flows into a large river.

Salination

The process which increases the amount of salt in the soil.