Pedagogy of the Plants

Posts Tagged ‘Frost Pillars

Baby, It’s Cold Outside

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Frost Heaving in Winterville 1

Needle ice occurs when the air temperature is below freezing, and the soil is above freezing. Water flows upward via capillary  motion as heat moves toward colder air above.

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Chunks of soil, grass, and moss are lifted into the air.

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These crystals were discovered in Winterville (naturally) during a run through an overgrown subdivision that never made it through The Great Recession. Click here for more photos of the area, and enjoy Ray Charles’ persuasion…