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 countour of a field which slows down the run off 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.