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Environment
Climate
The McMurdo Dry Valleys region is cold, extremely arid and windy.
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Geology
The Area is a valuable resource for understanding landscape processes.
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Lakes and Streams
The Dry Valleys contain Antarctica’s longest and largest river, the Onyx.
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Glaciers
Two large valley glaciers act as outlets to the East Antarctic Ice Sheet.
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Flora and Fauna
Microbial organisms can be found at all but the driest sites in the region.
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