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frost heaving |
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frost heaving [′frȯst ‚hēv·iŋ] (geology) The lifting and distortion of a surface due to internal action of frost resulting from subsurface ice formation; affects soil, rock, pavement, and other structures. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Because these root tips are so delicate and occur mostly in the topsoil and litter layers, they are susceptible to drought, extremes in temperature, and frost heaving, not to mention human activities. |
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