Physical geography

Physical geography

Industry: Geography

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Physical geography

Aerial photography

Geography; Physical geography

Form of remote sensing that captures images of objects using photographic cameras and film from platforms in the atmosphere.

Is a landform formed from the erosion or deposition of weathered surface materials by wind. This includes landforms with some of the following geomorphic features: sand dunes, deflation hollows, and ...

Advection fog

Geography; Physical geography

Fog generated when winds flow over a surface with a different temperature. Two types of advection fog exist. When warm air flows over a cold surface it can produce fog through contact cooling. Cold ...

Alkaline

Geography; Physical geography

(1) Having a pH greater than 7. (2) Substance that releases hydroxyl ions (OH-).

Alien species

Geography; Physical geography

Species that is not naturally found in a region.

Alfisols

Geography; Physical geography

Soil order (type) of the United States Natural Resources Conservation Service Soil Classification System. Soil associated with forest vegetation. Upper layers of this soil are relatively rich in ...

Acid shock

Geography; Physical geography

A sudden acidification of runoff waters from the spring melting of accumulated snow in the middle latitudes because of the winter deposition of acidic precipitation.