One of a series of irregular ridges formed on a snow surface by wind erosion and deposition, aligned parallel to the direction of the prevailing wind.
| 单词 | θ8444 |
| 释义 | the world > the earth > weather and the atmosphere > weather > precipitation or atmospheric moisture > snow > [noun] > an accumulation or expanse of snow > other formations (4) sastruga1840 One of a series of irregular ridges formed on a snow surface by wind erosion and deposition, aligned parallel to the direction of the prevailing wind. snow roller1866 a cylinder of snow formed by the action of the wind rolling it along. penitent1887 Physical Geography. A spike or pinnacle of compact snow or ice left standing after differential ablation of a snow or ice field exposed to the sun… Penitente1887 Physical Geography. With lower-case initial. = penitent, n. 5. |
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