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The Atmospheric Ozone Layer
Part 1 of Paper
....just above the tropopause. Its existence is crucial for
life on earth as we know it, because the ozone layer controls the absorption of
a portion of the deadly ultraviolet (UV) rays from the sun. UV-A rays, including
wavelengths between 320 and 400nm, are not affected by ozone. UV-C rays between
200 and 280nm, are abso.... Part 2 of Paper
....ns from the surface at regular
intervals, led to the development of the Dobson spectrophotometer in the 1960s.
The British Antarctic Survey has the responsibility to routinely monitor
stratospheric ozone levels over the Antarctic stations at Halley Bay (76°S 27°W)
and at Argentine Islands (65°S 64°W). Analysis of ozone measurements in 1984 by
a team led by John Farnam, made the startling discovery that spring values of
total ozone during the 1980-1984 period had fallen dramatically compared .... |
| Number of words: 2378 - Approximate pages: 9 |
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