terms library

 

Want to know what an aclinic line or natural bridge is? Discover some of the most common terms used in study of geography.

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Tundra

Tundra, a treeless region located in the Arctic or at high altitudes. Tundra occurring in the Arctic is known as arctic tundra, that at high altitudes is called alpine tundra.

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Valley

Valley, an elongated depression between bluffs, hills, or mountains. Small valleys surrounded by hills are often called hollows, glens, dales, or dells.

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Waterfall

Waterfall, or Cataract, a stream of water that falls in one or more steep descents.

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Whirlpool

Whirlpool, a circular current of water with a depression in its center into which objects may be drawn and sucked down.

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