Physical geography

Physical geography

Contributors in Physical 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 wetted perimeter and ...

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 to the release of ...

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 becomes overly ...

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 the formation of ice ...

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. The deposition ...