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ALPECOLe: Glossary
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Z

ZAA
Zero Annual Amplitude: Zone in the ground where there is practically no annual fluctuation in ground temperature
 
Zero Annual Amplitude (ZAA)
Zone in the ground where there is practically no annual fluctuation in ground temperature
 
zero curtain
The persistence of a nearly constant temperature, very close to the freezing point, during annual freezing (and occasionally during thawing) of the active layer
 

 

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29 August 2011
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