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ozone

Date Submitted: 03/29/2004 20:30:37
Category: / Literature / English
Length: 5 pages (1317 words)
Ozone Layer Dramatic loss of ozone in the lower stratosphere over Antarctica was first noticed in the 1970's by a research group from the British Antarctic Survey (BAS) who were monitoring the atmosphere above Antarctica from a research station .The Halley Research Station BAS research stations in the Antarctic Rumor has it that when the first measurements were taken in 1985, the drop in ozone levels in the stratosphere were so dramatic that at first the …
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…ChloroFluoroCarbons), but also compounds containing bromine, other related halogen compounds and also nitrogen oxides (NOx). CFC's are a common industrial product, used in refrigeration systems, air conditioners, aerosols, solvents and in the production of some types of packaging. Nitrogen oxides are a by-product of combustion processes, eg aircraft emissions.The current levels of depletion have served to highlight a unexpected degree of instability of the atmosphere, and the amount of ozone loss is still increasing.
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