sentences:  On sloped surfaces, needle ice may be a factor contributing to soil creep.Alternate names for needle ice are "frost pillars" ("Säuleneis" in German), "frost column", "Kammeis" (a German term meaning "comb ice"), "Stängeleis" (another German term referring to the stem-like structures), "shimobashira" (霜柱, a Japanese term meaning frost pillars), or "pipkrake" (from Swedish "pipa" (tube) and "krake" (weak, fine), coined in 1907 by Henrik Hesselman).The similar phenomena of frost flowers and hair ice can occur on living or dead plants, especially on wood.