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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.