Water on pond ice, Slovakia, viewed through a polarized filter. (USRA's 16 December 2012 Earth Science Picture of the Day)
Doing the wave: Fractures in delicate new ice echo the ripples of the adjacent water. (One of several keen 13 December 2012 daily-stroll photos by LJ user
peteralway)
Sparkling tiger: Outsized outdoor ice sculpture in China. (Posted on Facebook by Amazing Things in the World)
Day star: Bright sun, white snow, short exposure. (From a series of seasonal photos posted by their creator, Dr. Sibylle Machat, at her blog Gethe and Goth)
Crystallization of water: A raised network of needle-like crystals creates an abstract pattern across the surface of still water. (One of several 8 December 2012 daily-stroll photos by LJ user
peteralway)
Calving season: 7.4 cubic kilometers of ice come crashing down, from the seaward face of Greenland's Jakobshavn Glacier, in a (2009?) clip from the documentary Chasing Ice. (Video clip -- plus extensive discussion -- posted 14 December 2012 on the blog Arctic Sea Ice)
Frost flowers: "Blooms" sprout upon thin ice in the early Arctic spring. (New Scientist's 11 December 2012 Short Sharp Science column)
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