KEY DEFINITIONS FOR THE ASWAN DAM CASE STUDY

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Revision – The Aswan Dam and Aral Sea - Keywords

Arable - Crop growing.

Artificial fertilizer - Fertilizers produced from manufactured chemicals.

Environmental impact - The effect that something has on the land, air, water, scenery, soils.

Erosion - The wearing away of land by water.

Evaporation - The transfer of water to the air as water vapour.

Flood plain - The wide flat valley floor of a river which the river flows over in times of a flood.

Infiltration - The movement of water into soil surface and underlying rocks.

Intensive farming - A system of farming that uses large quantities of fertilizer and machinery in order to increase crop yields or output from farm.

Irrigation - Watering the land by means of channels, sprinklers and drip systems.

Migration - The movement of people from one place to another.

Pesticide - Chemical sprays used to kill insects which would otherwise feed on crops.

Resettlement - People having to move to another area to live.

Water stress - Insufficient water to meet the requirements of a particular country or region.

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