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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 
hydraulic radius
Geography; Physical geography
Stream efficiency measured by dividing cross-sectional area of a stream by the wetted perimeter. A higher ratio indicates greater efficiency as area will be greater compared to ...
fohn
Geography; Physical geography
Warm, dry wind descending in the alps. When air is drawn into the alps from the mediterranean it will rise and, if it reaches the dew point, its rate of cooling will be slowed due ...
pingo
Geography; Physical geography
a dome-shaped hill in a flat tundra plain, often having a depression in the summit. Closed system pingos occur in areas of continuous permafrost where unfrozen water beneath lakes ...
nutrient
Geography; Physical geography
Any chemical or compound which is used by an organism in order to survive and/or grow.
frost
Geography; Physical geography
Sublimation of water vapour directly onto surfaces such as plants, cars and pavements when very rapid heat loss occurs during an anticyclone during winter when temperatures allow ...
field capacity
Geography; Physical geography
Water in the soil once gravitational water has fully drained out i.e. Capillary and hygroscopic water.
glacial valley
Geography; Physical geography
(also glacial trough) a broad, flat bottomed (u-shaped) valley created by glacial erosion and deposition. The erosion widened, deepened and straightened the original river valley. ...
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