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What is Ozone Depletion?
Ozone layer depletion, is simply the wearing out (reduction) of the amount of ozone in the stratosphere. Unlike pollution, which has many types and causes, Ozone depletion has been pinned down to one major human activity.
Industries that manufacture things like insulating foams, solvents, soaps, cooling things like Air Conditioners, Refrigerators and ‘Take-Away’ containers use something called chlorofluorocarbons (CFCs). These substances are heavier than air, but over time, (2-5years) they are carried high into the stratosphere by wind action.
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How do volcanoes affect stratospheric ozone?
When volcanoes erupt, they produce massive clouds of ashes into the troposphere, and then they drift upward into the stratosphere (the upper atmosphere layer where ozone gas protects humans from UV radiation). These ashes contain high concentration of bromine and chlorine. Ashes can stay in the stratosphere for about two to five years, and within this period, there are chemical reactions that destroy the stratospheric ozone molecules.
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What is Ozone Hole?
Top atmospheric researchers confirm that Ozone levels vary by season and latitude. Sometime in 1979, it was observed the there considerable Ozone depletion in the upper latitudes, Arctic and Antarctic. This massive stretch of ozone depletion (hole) is estimated to be about the size of America.
Particularly in the antarctic, satellite images were released showing a disturbing thinning of the ozone layer. The phenomenon is what we usually call the Ozone hole, and it was most observed over the Antarctic every year during the spring.
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WHAT CAN BE DONE?
Ozone is a natural gas and is naturally replenished over time. This means if we can do something to balance the natural production with its depletion, there should not be a problem. Unfortunately, it does not quiet work like that.
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July results impact people.
Depletion of the ozone layer has consequences on humans, animals and plants. This typically results from higher UV levels reaching us on earth
Research confirms that high levels of UV Rays cause non-melanoma skin cancer. Additionally, it plays a major role in malignant melanoma development. UV is also linked to cataracts (a disease of the eye which clouds the eye’s lens).
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Plant impact July results.
The damage that extreme UV levels has on plants is one that our eyes do not see much, but humans can feel the impact. Plant growth, as well as its physiological and developmental processes are all affected negatively. These include the way plants form, timing of development and growth, distribution of plant nutrients and metabolism, etc. These changes can have important implications for plant competitive balance, animals that feed on these plants, plant diseases, and biogeochemical cycles.