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Causes of Intermittence

Intermittent streams contain water during periods when groundwater levels are above or at the level of stream's channel, allowing for surface flow. The mechanisms which control surface flow of intermittent streams are climatically and geographically specific For example, intermittent streams fed by snowmelt and glacial meltwater cease to flow when they either freeze or there is not enough inputs to sustain surface water. Streams in more arid regions stop flowing due to the depletion of water storages in the surroundings aquifer and banks via transmission.