Why is the ozone layer important ozone molecules in the atmosphere provide us with important protection from the rays of the sun specifically, these molecules are good at absorbing certain ultraviolet rays that can cause sunburn and skin cancer. The ozone layer is responsible for absorbing harmful ultraviolet rays, and preventing them from entering the earth's atmosphere however, various factors have led to the depletion and damage of this protective layer learn more about the process, causes, and effects of ozone layer depletion. Ozone depletion is the term commonly used to describe the thinning of the ozone layer in the stratosphere ozone depletion occurs when the natural balance between the production and destruction of ozone in the stratosphere is tipped in favor of destruction.
Scientists have reached consensus that ozone depletion in the stratosphere is caused by ozone depleting chemicals these chemicals contain chlorine or bromine atom with inherent chemical stability and have long lifetime in the atmosphere, in the range of 40 to 150 years. Ozone layer keeps getting bigger and bigger each year since the late 1970s, much of the protec- depletion of ozone levels has been recorded around the globe with less ozone in the atmosphere, more ultravio- 1995 beyond discovery + ozone na tional academy of sciences beyond discovery,. Although ozone depletion has been a global issue, there is significant differences in distribution of ozone layer depletion across the world overall, ozone depletion increases with latitude with low levels of depletion at the equator and tropics, and highest depletion at the poles. The ozone layer is the part of the stratosphere (upper atmosphere) where ozone is found in the highest concentrations it absorbs ultraviolet radiation, preventing most of it from reaching the ground.
To protect the ozone layer, avoid purchasing ozone-depleting products like aerosol sprays and wood treated with methyl bromide consider biking, carpooling, or using public transportation to cut down on your vehicle's production of nitrous oxide, which is the largest ozone-depleting substance generated by human activities. The ozone layer depletion is harmful to the environment the ozone layer or ozone shield is a region of earth's stratosphere that absorbs most of the sun's ultraviolet (uv) radiation it was discovered in 1913 by the french physicists charles fabry and henri buisson. The ozone layer is a deep blanket in the stratosphere made up of comparatively high concentration of the ozone as a result of its chemical composition, ozone is regarded as a special type of oxygen as it contains three oxygen molecules (o3) as opposed to the usual two oxygen molecules (o2. The main things that lead to destruction of the ozone gas in the ozone layer low temperatures, increase in the level of chlorine and bromine gases in the upper stratosphere are some of the reasons that leads to ozone layer depletion.
The reason behind ozone layer depletion is mainly due to the extensive use of ozone-depleting substances (ods some ozone-depleting substances are: chlorofluorocarbons (cfc) : the use of cfc’s is one of the main reasons for the depletion of the layer. Global warming and ozone layer depletion are two different problems (see the sidebar “misconceptions about global atmospheric change” on page 95) global warming is caused by the “greenhouse effect,” which is essential to life as we know it on planet earth. Ozone depletion is largely a result of man-made substances humans have introduced gases and chemicals into the atmosphere that have rapidly depleted the ozone layer in the last century.
Natural causes of depletion of ozone layer: ozone layer has been found to be affected by certain natural phenomena such as sun-spots and stratospheric winds but this has been found to cause not more than 1-2% depletion of the ozone layer and the effects are also thought to be only temporary. Depletion of the ozone layer: the wearing out or destruction of the ozone in the stratosphere the ozone layer is a belt of the naturally-occuring gas 'ozone' that sits at an altitude of between 15 and 30 kilometers above the earth. Chlorofluorocarbons are among the various greenhouse gases that are causing the temperature of the earth to soar coincidentally, these are the same gases that were pulled up in the 90s for the role they played in the depletion of the ozone layer.
Measurements show that depletion of the ozone layer steadily worsened during the 1980s and most of the 1990s, but more recently as atmospheric amounts of chlorine and bromine have stabilized, a further worsening of ozone depletion appears to have been avoided. How ozone depletion affects uv levels depletion of the ozone layer has consequences on humans, animals and plants this typically results from higher uv levels reaching us on earth humans research confirms that high levels of uv rays cause non-melanoma skin cancer additionally, it plays a major role in malignant melanoma development. Ozone depletion describes the observed loss of ozone in the stratosphere over the past 50 years it encompasses both a steady thinning of the ozone layer at mid-latitudes and its catastrophic. Ozone layer, also called ozonosphere, region of the upper atmosphere, between roughly 15 and 35 km (9 and 22 miles) above earth’s surface, containing relatively high concentrations of ozone molecules (o 3) approximately 90 percent of the atmosphere’s ozone occurs in the stratosphere, the region.
The ozone layer or ozone shield is a region of earth's stratosphere that absorbs most of the sun's ultraviolet radiation it contains high concentrations of ozone (o 3 ) in relation to other parts of the atmosphere, although still small in relation to other gases in the stratosphere. In 1985, joe farman, brian gardiner, and jon shanklin discovered depletion of the ozone layer over antarctica by as much as 70% in austral spring scientists suddenly realized that ozone depletion was a much bigger problem than had been thought. Like global warming, depletion of the ozone layer raises complex problems of cause and effect that have led to international disagreements over coordinated efforts to reverse the problem.
Solutions to prevent depletion of the ozone layer involve banning the use of chemicals that cause ozone depletion, such as chlorofluorocarbons and hydrofluorocarbons national laws and international treaties help accelerate the control of ozone-depleting substances. The ozone layer is an important part of the global atmosphere and climate system it limits the amount of ultraviolet (uv) radiation from the sun to levels necessary for life on earth. The emission of ozone depleting substances has been damaging the ozone layer but through domestic and international action, the ozone layer is healing and should fully recover by about 2065 this website addresses stratospheric ozone issues, including the science of ozone depletion, epa's regulatory approach to protecting the ozone layer, epa.