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Geography
The study of physical characteristics of earth and the distribution and effects of life on earth, especially that of humans.
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Geography > Physical geography 
basalt
Geography; Physical geography
An igneous rock, fine-grained and glass-like, formed by rapidly cooled lava often under water.
dormitory settlement
Geography; Physical geography
A rural settlement that is increased in size due to the influx of new residents from a nearby urban area. Incomers may be retiring or 'escaping' the negative aspects of city life ...
channelization
Geography; Physical geography
Straightening and/or deepening of river channels to improve/maintain navigability and for flood control.
base flow
Geography; Physical geography
That portion of river discharge derived from groundwater flow.
downward spiral
Geography; Physical geography
Decline occurring in a vicious circle or negative cumulative causation.
channel morphology
Geography; Physical geography
Shape and dimensions of the cross-section of a channel.
base level
Geography; Physical geography
The lowest elevation to which erosion can take place. Usually sea-level but could be lower if a river drains into an inland sea or lake whose level is below sea-level.
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- Capitals (11387)
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- Human geography (485)
- Physical geography (39692)