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Essay / Research Paper Abstract
A 6 page paper defining the ozone layer, its importance to life on Earth and the mechanisms by which it is depleted. Given that ozone (O3) is a naturally-occurring substance in the Earth’s atmosphere, the debate surrounding whether it is increasing or decreasing superficially seems to be little more than an academic exercise, or alternatively something for militant environmentalists to champion. It is continually created and destroyed by sunlight, effectively absorbing most UV radiation and preventing it from reaching Earth’s surface. Other free radicals, particularly chlorine, disrupt this creation and destruction process, preventing the formation of more ozone after UV light has destroyed it. The paper discusses the hole over Antarctica, the role of CFCs in depleting the ozone layer and positive signs that are beginning to appear more than a decade after developed nations reduced their use of CFCs. Bibliography lists 10 sources.
Page Count:
6 pages (~225 words per page)
File: CC6_KSozoneDeplet.rtf
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Unformatted sample text from the term paper:
ozone (O3) is a naturally-occurring substance in the Earths atmosphere, the debate surrounding whether it is increasing or decreasing superficially seems to be little more than an academic exercise, or
alternatively something for militant environmentalists to champion. However, ozone in the atmosphere is analogous to iron, manganese or some other trace element necessary for plant growth. Neither system
needs much of the required substance, but function is impaired without it, and some systems will not be able to survive without it.
There is confusion over ozone, likely because when it is at ground level, it is a pollutant and carries a negative connotation. It is the ozone layer of the
outer atmosphere that constitutes the beneficial ozone, and it is that layer that needs to be protected. The purpose here is to investigate changes in the ozone layer and
to assess current conditions. What It Is In the same manner as trace elements are found in plant cells, so is the concentration
of ozone to diatomic oxygen (O2) heavily skewed in equilibrium concentration. When both O2 and O3 are present in "natural" concentrations, the ratio of O2 to O3 is approximately
2,000,000:3 (Case study for the 4th year). While O2 is odorless and colorless, "ozone has a strong scent and is blue in color" (Case study for the 4th year).
The ozone layer, which is about ten miles above the Earths surface in the stratosphere, does more than only provide us with glorious blue skies. It also protects
us from many of those portions of the suns rays that are harmful at the Earths surface. The stratosphere is the outermost layer
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