active layer

(redirected from Active soil layer)

active layer

[′ak·tiv ′lā·ər]

(geology)

That part of the soil which is within the suprapermafrost layer and which usually freezes in winter and thaws in summer. Also known as frost zone.

Mentioned in ?

Cryolithozone
Irrigation Conditions
Landscape Physics
Natural Features
Pereletok
Permafrost Zone
Physical Geographic Belts
Physics, Landscape
sapwood
Seasonally Frozen Rock
Semiconductor Laser
Stone Polygons
suprapermafrost layer
Talik
touch screen
touchscreen
zero curtain

References in periodicals archive ?

Seven clone libraries were constructed from the uppermost active soil layer to the lowermost permafrost layer at 10 cm intervals.

Diversity and distribution of archaea community along a stratigraphic permafrost profile from Qinghai-Tibetan plateau, China

At Spitsbergen, Hallet's group found just this relationship: The diameter of a sorted circle was 210 centimeters while the active soil layer measured about 1 meter deep.

Halos of stone

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