snow crust

snow crust

[′snō ‚krəst]
(hydrology)
A crisp, firm, outer surface upon snow.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in classic literature ?
He had broken through the melting snow crust, and wallowed, while the snowshoe rabbits had skimmed along on top lightly as ever.
We followed it on foot for a few yards, and in some spots the bear's body weight caused it to break though the snow crust. We could still see the bear off in the distance a few hundred yards, so we got on the sled and closed the distance to get a better look at the bear.
The sun shone, the sky was blue, the distant sea glittered and our skis skimmed the perfect snow crust. We only had a short way to go to reach the shelter of our large and well-stocked snow cave.
Snow crust, crispy leaves, and dry branches all have conspired against me on various occasions.
Better news is that Cheltenham's frost covers have kept the ground raceable, albeit with a sizeable snow crust on top.
The results for the natural surface show large variation from reflectance less than 0.2 (Vanajavesi, wet and bare ice surface) to 0.9 (Peipsi, highly scattering snow crust).
Collecting sites included shallow puddles in Ny-Alesund (78[degrees]56' N, 11[degrees]56' E), ice- and snow-fed streamlets and puddles 1 - 3 km away from Ny-Alesund, and snow crust, ice- and snow-fed streamlets and puddles on Blomstrandhalvoya Island (78[degrees]59' N, 12[degrees]03' E).
Just outside my window a little black spaniel is sniffing the bright snow crust. I remember how you brought Flush aware & snuffing out of Elizabeth Barrett's letters.
`I think there's a crevasse just ahead.' And as I was saying it, the snow crust beneath my feet crumbled, and I was falling into another crevasse which had been hidden without a trace a few seconds before.
In three of the kills, a snow crust allowed coyotes to travel on top, whereas elk punched through.
Watching Christian on a frozen lake, an observer is struck by just how fast he zooms across the ice and snow crust. He nearly vanishes into the horizon in an instant, and then reappears just as suddenly.
Meanwhile, I scrambled to get some layers back on as we hiked through patches of snow crusted on the trail.