pällisjärkkönyt
pällisjärkkönyt is a Finnish term that describes a specific type of geological formation. It refers to an area where the ground has been disturbed by the expansion and contraction of permafrost. This process, known as cryoturbation, leads to the mixing of soil horizons and the formation of irregular mounds and depressions.
The characteristic features of pällisjärkkönyt include patterned ground, which can manifest as polygons, circles, or stripes.
The presence of pällisjärkkönyt indicates that an area has a permafrost layer that experiences significant seasonal