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The Dry Valleys harbor the only permanently ice-covered lakes on Earth. The permanent ice covers greatly reduce wind-driven mixing, gas exchange between the atmosphere and the water column, light penetration, and the deposition of sediments.

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Date Of Record Release 2011-08-07 12:44:47
Description The Dry Valleys harbor the only permanently ice-covered lakes on Earth. The permanent ice covers greatly reduce wind-driven mixing, gas exchange between the atmosphere and the water column, light penetration, and the deposition of sediments.
Classification
Resource Type
Format
Subject
Source Microbial Life
Keyword Microbial life, Soils, Sandstones, Melt water, Ponds, Microbial observatories
Selector Selection Committee
Date Of Record Creation 2011-08-07 12:20:33
Education Level
Date Last Modified 2011-08-07 12:44:47
Creator George Rice
Language English
Date Record Checked: 2011-08-07 12:20:33 (W3C-DTF)

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