Physical geography

Physical geography

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Physical geography

periglacial

Geography; Physical geography

The area at the edge of a glacier or ice sheet which is not covered by ice but experiences very cold conditions. May also be used to refer to high altitude environments or cold high latitudes as ...

geostrophic wind

Geography; Physical geography

Wind blowing parallel to isobars because of deflection of the pressure-gradient force by the coriolis force.

A cold period of about 1500 years that occurred at about 10,000 to 8,500 years ago. Thought to have been brought on by a sudden release of cold water into the oceans from behind the north american ...

weathering

Geography; Physical geography

Breakdown of rock in situ by physical and chemical processes due to the presence of water, plants and animals. Rates vary according to additional controls of temperature, rock type and time. (see ...

tidal zone

Geography; Physical geography

The area between the low water mark and the high water mark.

equatorial climate

Geography; Physical geography

Within 5-to 10-of the equator at elevations up to 1000m. Annual rainfall exceeds 2000mm and falls nearly every day. Temperatures are high: 30-32蚓 in the day, rarely falling below 20蚓 at any time. ...