Ozone depletion is allowing the uv radiation to earth surface. Effects of ozone depletion ozone depletion is affecting the human health and environment negatively, as it allows the penetration of uv radiations to reach the earth. This site is like a library, use search box in the widget to get. Ozone reduction in troposphere drastically changes the weather elements like temperature, wind pattern, precipitation etc. Pdf on jan 1, 2001, md safiuddin and others published global ozone depletion. The causes, mechanism and bioeffects of ozone layer depletion on humans were addressed. It contains high concentrations of ozone o3 relative to other parts of the atmosphere. Ppt ozone depletion powerpoint presentation free to. The basis of the greenhouse effect can be seen if we compare the wavelengths at which. Pdf causes of ozone layer depletion and its effects on. This timeline highlights the average area of the ozone hole between september 7th and october th as observed by nasa spacedbased instruments see colored bars and scale. Hence, cfcs are transporting agents that are responsible for damaging the ozone layer.
Reduced ozone causes the stratosphere to absorb less solar radiation, thus cooling the stratosphere while warming the troposphere. The ozone layer is a belt of the naturallyoccuring gas ozone that sits at an altitude. Ozone layer depletion is the thinning of ozone layer that protects the earth. Ozone depletion occurs when the natural balance between the production and destruction of stratospheric ozone is tipped in favour of destruction. The latest ozone layer depletion news is included at the foot of the page. These rays can cause skin cancer, cataract, damage to plants and crops and marine food. The problems and causes associated with ozone depletion arise from human activities. Ozone layer depletion causes and effects of ozone layer. Ozone layer depletion ozone layer depletion is the gradual thinning of the earths ozone layer in the upper atmosphere caused due tho release of chemical compounds containing gaseous bromine or chlorine from industries or other human activities. Click download or read online button to get ozone depletion greenhouse gases and climate change book now. Sep 20, 2016 ozone depletion ozone layer depletion, is simply the wearing out reduction of the amount of ozone in the stratosphere. Let us see some of the important causes and effects of ozone layer depletion. Powerpoint is the worlds most popular presentation software which can let you create professional depletion of ozone layer powerpoint presentation easily and in no time.
Pdf this study was conducted at university of gujrat during 20142015 as a term paper for master of philosophy. Causes and effects of stratospheric ozone reduction. The natural distribution of ozone around the earth is. Ozone layer depletion is one of the major environmental issues which is getting thinner day by day as a result of increasing pollution. Jul 02, 2015 this quick video discusses the role of the ozone layer and how cfcs can cause ozone depletion. Ozone layer depletion, its causes and its effects ozone. Ozone layer and causes, effects and solutions to ozone depletion. The causes, mechanism and bioeffects of ozone layer depletion on humans. Causes and effects of ozone layer depletion that are. It is used for sterilization of water, removal of unpleasant odors and has very positicos treatments results in different ailments from ozone therapy. The proteins cells in plants undergo harmful mutations, all due to ultraviolet radiations. Conversely, ozone depletion represents a radiative forcing of the climate system.
Ozone layer depletion cause, effects, and solutions byjus. The main effect of ozone depletion is an increase in uvb rays reaching the earths surface causes. Our new crystalgraphics chart and diagram slides for powerpoint is a collection of over impressively designed datadriven chart and editable diagram s guaranteed to impress any audience. These chemicals are found in cleaning agents, aerosols, insulating foam, and refrigerants. By absorbing uv radiation the ozone layer heats up the atmosphere. Ppt ozone layer depletion powerpoint presentation free. Causes of ozone layer depletion and its effects on human. There are many causes for ozone depletion, but the most important process in both trends is catalytic destruction of ozone by atomic chlorine and. Ozone layer depletion definition, causes, solutions toppr. However, while both the ozone depletion and the ozone hole effects are different they share a common causal process which is thought to be responsible for both. The ozone layer was discovered in 19 by the french physicists.
If interested, you can purchase this powerpoint from my online store. Why the hole in the atmospheric ozone layer above us. This is an ozone layer essay, which will give you the basic introduction about the ozone layer and ozone depletion causes and effects. The formation of the ozone holes is different to the generalized ozone depletion effect observed around more equatorial zones where higher concentrations of humans exist. The causes, mechanism and bio effects of ozone layer depletion on humans were addressed. What are the causes and effects of ozone depletion. Ozone depletion ozone layer depletion, is simply the wearing out reduction of the amount of ozone in the stratosphere.
Chart and diagram slides for powerpoint beautifully designed chart and diagram s for powerpoint with visually stunning graphics and animation effects. It is revealed that introduction of chloroflourocarbons cfcs in the environment is the most rated cause of said depiction. This quick video discusses the role of the ozone layer and how cfcs can cause ozone depletion. Depletion of stratospheric ozone o3, as commonly known as the hole in the ozone layer, is an issue of international concern. Protection against depletion of stratospheric ozone by chlorofluorocarbons. I am online and ready to help you via whatsapp chat. In plants 0 3 enters through stomata, it causes damage to leaves reducing there photosynthetic rate.
Additionally this study gives an update of the present knowledge on uv related health and environmental effects, in particular. Ozone depletion potentials, global warming potentials, and future chlorinebromine loading lead authors. 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. Winner of the standing ovation award for best powerpoint templates from presentations magazine. Ozone layer depletion cause, effects, and solutions. The evaporation of surface water through the stomata of leaves increases, which results in the decreased moisture content of the soil. Most ozone is found in the stratosphere upper part of the atmosphere, more than 10 to 16 kms from the surface of the earth. The ozone layer protects us from excessive levels of harmful ultraviolet uv radiation. Ozone depletion is a major environmental problem because it. This site is like a library, you could find million book here by using search box in the header.
Jan 20, 2010 this yearly occurrence is called the ozone hole. Stratospheric ozone depletion, ultraviolet radiation and health. Ozone layer essay ozone depletion causes and effects. Project report on ozone depletion environmental pollution. Ppt ozone layer depletion authorstream presentation. Ozone layer depletion causes, effects and solutions 7. Ozone layer is a deep layer in earths atmosphere called stratosphere that contain ozone which is a naturally. Causes, effects and solutions of ozone layer depletion. Chapte r ozone depletion potentials, global warming. Ozone depletion displaying top 8 worksheets found for this concept some of the worksheets for this concept are activity pack for key stages 2 3, tthe ozone hole and global he ozone hole and global global, national aeronautics and the ozone hole space administratio n, the good the bad and the ugly of ozone, causes of ozone layer depletion and its effects on human, ozone. Ozone depletion is the process of destruction of the ozone layer which can cause adverse effects on the living forms by many pollutants releases out from the vehicles, industries etc. Unlike pollution which has several causes, there is one specific chemical compound that is responsible for the breakdown of the ozone layer. This helps you give your presentation on depletion of ozone layer in a conference, a school lecture, a business proposal, in a webinar and business and professional. Let us have a detailed look at the various causes and effects of ozone layer depletion.
Ozone layer depletion indicates less protection from the dangerous uvb radiation at the surface of our planet. How ozone layer is depleting factors contributing its destruction. Ozone depletion displaying top 8 worksheets found for this concept some of the worksheets for this concept are activity pack for key stages 2 3, tthe ozone hole and global he ozone hole and global global, national aeronautics and the ozone hole space administratio n, the good the bad and the ugly of ozone, causes of ozone layer depletion and its effects on. Theyll give your presentations a professional, memorable appearance the kind of sophisticated look that. Gwps including indirect effects of ozone depletion have been estimated fo r a variety of halocarbons cfcs.
Ozone layer and causes, effects and solutions to ozone. The chlorofluorocarbon and the halons are potent ozone depletors. Unlike oxygen o2, ozone has a strong scent and is blue in color. A free powerpoint ppt presentation displayed as a flash slide show on id.
Ozone protects life on earth by stopping uv ultraviolet rays of sun in the upper atmosphere, it does not allow them to reach at the ground level. Ppt ozone layer depletion powerpoint presentation free to. The thinning is most pronounced in the polar regions, especially over antarctica. Pdf causes of ozone layer depletion and its effects on human.
Warming of the atmosphere is also expected to cause changes in. The latest satellite measurement indicates an ozone loss at the rate of 8% just above the south pole, at the centre of the ozone hole, 5% of the protective gas is depleting each day. However, these cause a very nominal contribution to the ozone layer depletion which is near about 1 to 2 percent and therefore these. It will magnify the effects of ultraviolet rays on human health. It is found that the ozone layer gets affected by some natural causes that are sunspots and stratospheric winds. All books are in clear copy here, and all files are secure so dont worry about it. Oct 27, 2017 hopefully, if we learn what are the effects of ozone depletion, we will finally do something to diminish the effects of climate change.
Ozone is a molecule consisting of three oxygen atoms o3 and has the property of being highly toxic because of its radioactivity. The main things that lead to destruction of the ozone gas in the ozone layer. Read online causes of ozone layer depletion and its effects on human. The ozone layer refers to a region of earths stratosphere that absorbs most of the suns uv radiation.
Dec 14, 2015 what are the effects of ozone depletion. This, in turn, will lead to the breakdown of ozone. Unlike pollution, which has many types and causes, ozone depletion has been pinned down to one major human activity. Ozone layer introduction the ozone layer refers to the ozone within stratosphere, where over 90% of the earths ozone resides.
Stratospheric ozone depletion leads to an increase in uvb that reach the earths surface, where it can disrupt biological processes and damage a number of materials the fact that uvb can cause biological effects is well demonstrated by the familiar sunburn that follows. The main reason is the release of chlorofluorocarbons cfcs and halon gases in the atmosphere formerly found in aerosol spray cans and refrigerants. Although natural phenomena can cause temporary ozone loss, chlorine and bromine released from manmade compounds such as cfcs are now accepted as the main cause of this. Ozone depletion greenhouse gases and climate change. The first report of depletion in o 3 layer came out in the 1980s by an atmospheric scientist in antarctica. One of the main reasons for the widespread concern about depletion of the ozone layer is the anticipated increase in. Studies have argued that the influence of 7,500 tons of chlorine from cfc amounting annually to the stratosphere is minimal compared to 600 million tons of chlorine and fluorine other aggressive gas like salts escaping oceans as aerosols. The ozone layer is responsible for absorbing harmful ultraviolet rays, and preventing them from entering the earths atmosphere. What is an ozone hole and causes and effects of ozone. Click download or read online button to causes and effects of changes in stratospheric ozone book pdf for free now. Learn more about the process, causes, and effects of ozone layer depletion. There have been several concerns about ozone depletion. Ozone depletion is primarily caused by human activities. Evidence of ozone depletion in the stratosphere began to appear in the 1980s.
Reducing the use of ozone depletion substances ods. Ozone layer depletion, its causes and its effects free download as powerpoint presentation. Ozone is an irritating, corrosive, colorless gas with a smell something like burning electrical wiring. In comparison with the earlier assessments on effects oracle essentials oracle database 11g pdf of openoffice edit pdf files ozone depletion, the present. Worlds best powerpoint templates crystalgraphics offers more powerpoint templates than anyone else in the world, with over 4 million to choose from.
The ozone layer was discovered in 19 by the french physicists charles fabry and henri buisson. This is not an example of the work written by professional essay writers. Mar 12, 2019 the ozone layer plays an ultimately significant role in absorbing ultraviolet radiation that are hazardous to living creatures on the earth. The ozone layer acts as a natural filter, absorbing most of the suns burning ultraviolet uv rays. It was until 1974, chlorine was found to be the catalyst which speeds up the ozone depletion. Learn more about the process, causes, and effects of. The ozone layer is mainly found in the lower portion of the stratosphere. These radiations can cause severe diseases in humans such as skin cancer, eye damage and genetic mutations etc 9. However, various factors have led to the depletion and damage of this protective layer. This website addresses stratospheric ozone issues, including the science of ozone depletion, epas regulatory approach to protecting the ozone layer, epaapproved alternatives to ozonedepleting substances, and sun safety. Causes and effects of changes in stratospheric ozone download causes and effects of changes in stratospheric ozone ebook pdf or read online books in pdf, epub, and mobi format. But through domestic and international action, the ozone layer is healing and should fully recover by about 2065. Ozone layer depletion cause, effects, and solutions biology.
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