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Physical geography

Contributors in Physical geography

Physical geography

Wind vane

Geography; Physical geography

A mechanical device used to measure the direction of wind flow. Usually consists of a horizontal bar with a fin at one end and a aerodynamic pointer at the other end. The centre of horizontal is ...

Volcanic vent

Geography; Physical geography

An opening on a volcano through which lava is released and rock fragments and ash are ejected.

Volume

Geography; Physical geography

The occupation of space in three dimensions. Measured in cubic units.

Vortex

Geography; Physical geography

A rapid spiralling motion of air or liquid around a centre of rotation.

Ultramafic

Geography; Physical geography

Rock that is rich in magnesium and iron content.

Ultraviolet radiation

Geography; Physical geography

Electromagnetic radiation with a wavelength between 0.1 and 0.4 micrometres (µm).

Unconfined aquifer

Geography; Physical geography

Aquifer that is not restricted by impervious layers of rock.

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