
1) Arctic geography terminology
Found on
https://www.crosswordclues.com/clue/cryosuction

Cryosuction is concept of negative pressure in freezing soil resulting from transformation of liquid water to ice in the soil pores whereby water migrates through soil pores to the freezing zone (through capillary action). Fine-grained soils such as clays and silts enables greater negative pressures than more coarse-grained soils due to the smalle...
Found on
http://en.wikipedia.org/wiki/Cryosuction

a suction developed in freezing or partially frozen fine-grained materials as a result of temperature-dependent differences in unfrozen water content .
Found on
https://nsidc.org/cryosphere/glossary?page=5
No exact match found.