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GLACIERS SCI OLY
Question | Answer |
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Kame | A low, but steep-hill or mound composed of poorly sorted sands and gravels deposited in strata by meltwater plunging into crevasses near the melting edge of an ablating glacier. |
kame-terrace | flat-topped ridges built of statitied sand and gravel deposed by a melt water stream between an ablating glacier or a stagnant ice lobe and a higher wall or lateral moraine. The ridge remains after the ice melts away. |
basal ice | the basal layer is the part of the glacier in which the nature of the ice is directly affected by proximity to the glacier bed. |
basal melting | known specific melting rates for different substances including ice. depends on temperature and pressure. can lead to rapid movement. |