How can temperature affect the deformation of an ice crystal?

The deformation of an ice crystal is significantly influenced by temperature, primarily through its effect on the mobility of atoms within the crystal lattice.1

When ice undergoes plastic deformation—often described as creep—it involves the gliding of layers within the crystal structure, similar to a deck of cards. During this process, bonds between layers break, and hydrogen atoms must reattach to different oxygen atoms.21

The speed of this deformation is directly dependent on these atomic readjustments, which occur more rapidly at higher temperatures. Because the movement of dislocations and the migration of hydrogen atoms are temperature-sensitive, the mechanical properties of ice are inherently linked to its thermal state. Consequently, as temperatures rise toward the melting point, the rate at which an ice crystal can deform plastically increases.12