noun
sastrugi; wind-carved snow ridges
A technical term from glaciology and polar science, referring to parallel wave-like ridges formed on a snow surface by wind erosion. Used in scientific and expedition contexts.
南極の雪原にはサスツルギが広がっていた。
Sastrugi stretched across the Antarctic snowfield.
サスツルギの上を歩くのはとても骨が折れる。
Walking over sastrugi is very strenuous.