suprapermafrost layer

The layer of ground above permafrost; it includes the active layer and possibly occurrences of talik and perelotok. Also known as supra-gelisol.

Related terms:

• surface boundary layer
• haze layer
• planetary boundary layer
• E layer
• Ekman layer
• F1 layer
• talik
• F layer
• shielding layer
• layer depth effect