ch 11
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Created by:
brookiebtd7615 on April 24, 2012
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20 terms
Terms | Definitions |
|---|---|
current | a river flowing within a larger body of water |
upwelling | the movement of deeper cooler nutrient rich water to the ocean surface |
coral | stony skeletal deposits produced by polyps |
humboldt current | a cold current flowing north from antartica |
disruptive | interrupting or interfering with something |
gulf stream | a warm ocean current flowing nort alone east coast of north america |
blight | any disease that destroys plants |
glacier | a Lage mass of land ice that is or has been in motion |
continental glacier | a glacier formed at high latitudes that covers a large area of land |
alpine glacier | a relatively small glacier formed at high elevations in mountains |
terminal moraine | the final deposit of glacial debris marking the farthert advance of a glacier |
calving | the process hereby large pieces of ice break off when a glacier enters water |
glacial scouring | scraping action due to the weight of glaciers, leaving bare bedrock |
isostasy | the ability of the planet to seek a state of equilibrium |
alluvial fan | a fan shaped stream deposit extending out from the bases of mountain ranges |
cirque | a large mountian hollow created by a glacier |
hanging valley | a glacial tributary valley that is not as deeply eroded as th main glacial valley |
crevasse | a deep crack in a glacier due to movement |
plastic | having the ability to change shape without breaking |
fjord | a long narrow arm of the sea |
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