Ozone Depletion

Topics: Ozone depletion, Ultraviolet, Ozone Pages: 41 (15997 words) Published: January 21, 2013
Phenomenon /
Ozone Depletion:
Effects to Natural

A Research Paper
Presented to
the class of Ms.Mary Cor C. De Chavez
Bayanan National High School

In Partial Fulfillment
On the Requirements for the subject
English IV

Donalyn Manalo

Topic: Atmospheric Phenomenon / Ozone Depletion: Effects to Natural Resources Thesis or Main Idea: Ozone Depletion is an atmospheric phenomenon which destroys the stratospheric ozone layer that shields the earth from ultraviolet radiation which is harmful to life.

I. Introduction
II. Causes and Effects of Ozone Depletion
A. Causes of Ozone Depletion
Human Activities
Ozone Depleting Substanc
Climate Change
Increase of Free Radicals
Inventions of Appliances

B. Effects of Ozone Depletion
a. Human’s Health
1. Skin Cancer
2. Cataracts and Other Eye Damage
3. Reduce Immune System
4. Irritation of the Respiratory System
b. Biological Cycles
c. Agriculture
1. Plants
2. Animals
d. Air Quality
e. Ecosystem
1. Marine Ecosystem
2. Terrestrial Ecosystem
3. Aquatic Ecosystem
f. Forest

III.A.Ways to Stop Ozone Depletion
a. Artificial Ozone
b. Destruction of CFC
c. Minimized Aircraft Flights
d. Reforestation
e. Emission of Waste
f. Montreal Protocol
g. Limited use of Hydrofluorocarbons and Chlorofluorocarbons h. Reduce amount of Ozone Depleting Substances
B. Problem Arising of Ozone Depleting Substances
a. Global Warming
1. Thinning of Ozone Layer
2. Rising of Sea Levels
3. Climate Change
4. Appearance of Greenhouse Gases
5. Drought
6. Appearance of UV Radiation
7. Appearance of Ozone Hole
C. Agencies/Organizations Incharge to Resolve the Ozone Depletion a. UNEP
IV. Findings of the Study
V. Conclusions

Chapter 1:
Atmospheric phenomena as commonly used in weather observing practice, an observable occurrence of particular physical significance within the atmosphere. From the viewpoint of weather observations, the atmospheric phenomena include all hydrometeors (precipitation types and fogs), blowing snow, thunderstorms, tornadoes, waterspouts, and others. (http://nsidc.org/arcticmet/glossary /atmospheric_phenomenon.html) The ozone layer is a layer in Earth's atmosphere that contains relatively high concentrations of ozone (O3). It is mainly located in the lower portion of the stratosphere, from approximately ten kilometers (km) to 50 km above Earth's surface, though the thickness varies seasonally and geographically. The actual ozone concentration in this layer is only about a few parts per million, which is small compared to the main components of the atmosphere, but it is much higher than the concentrations of ozone in the lower atmosphere. The ozone in this layer absorbs most of the Sun's high-frequency ultraviolet (UV) light, which is potentially damaging to life on earth. It thus serves a protective function.(http://www.newworldencyclopedia.org/entry/Ozone_layer) The ozone layer protects the Earth from the ultraviolet rays sent down by the sun.  If the ozone layer is depleted by human action, the effects on the planet could be catastrophic. Ozone is present in the stratosphere.  The stratosphere reaches 30 miles above the Earth, and at the very top it contains ozone.  The suns rays are absorbed by the ozone in the stratosphere and thus do not reach the Earth. Ozone is a bluish gas that is formed by three atoms of oxygen.  The form of oxygen that humans breathe in consists of two oxygen atoms, O2.  When found on the surface of the planet, ozone is considered a dangerous pollutant and is one substance responsible for producing the greenhouse effect. The highest regions of the stratosphere contain about 90% of ozone.(http://library.thinkquest.org/26026/Environmental_Problems/ozone_depletion.html) Ozone depletion refers to the phenomenon of reductions in the amount...
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