The water cycle and water insecurity key words 0.0 / 5 ? GeographyWater cycle and water insecurityA2/A-levelEdexcel Created by: sophie000Created on: 27-02-18 19:08 Drainage basin A subsystem withing the hydrological cycle 1 of 8 River regime The annual variation in discharge or flow of a river 2 of 8 Desertification The degradation of land in arid areas 3 of 8 Drought An extended period of deficient rainfall 4 of 8 Ecosystem stress Constrains on the development or survival of ecosystems 5 of 8 Ecosystem resilience The capacity of an ecosystem to recover 6 of 8 Water insecurity When a population no longer has sustainable access to adequate quantities of water of acceptable quality 7 of 8 Desalinisation The conversion of salt water into freshwater 8 of 8
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