The ozone layer is basically naturally occurring gas in the region of stratosphere where ozone particles are accumulated 2. The ozone in this region is commonly known as the ozone layer. Ozone layer depletion powerpoint template sketchbubble. Jul 02, 2015 this quick video discusses the role of the ozone layer and how cfcs can cause ozone depletion. Ozone depletion, gradual thinning of earths ozone layer in the upper atmosphere caused by the release of chemical compounds containing gaseous chlorine or bromine from industry and other human activities. Ozone is a molecule made of three atoms of oxygen instead of the usual two atoms. Ozone layer of the earths atmosphere protects us from the harmful solar radiation. The ozone layer is not really a layer at all, but has become known as such because most ozone particles are scattered between 19 and 30 kilometers 12 to 30 miles up in the earths atmosphere, in a region called the stratosphere. Montreal protocol on substances that deplete the ozone layer establishes a schedule to reduce the production and consumption of cfcs and halons. The ozone layer refers to a region of earths stratosphere that absorbs most of the suns uvradiation. Free download powerpoint presentation slides from on different presentation topics.
Ozone depletion free download as powerpoint presentation. Our powerpoint presentation about ozone depletion, its effects and its causes. In this chapter you will download images showing the concentration of ozone over the southern hemisphere, and learn to identify the antarctic ozone hole in them. Displaying powerpoint presentation on the ozone layer formation and depletion available to view or download. Depletion of ozone layer powerpoint template is one of the. Twenty questions and answers about 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. As a result the total amount of ozone remains constant.
Ozone depletion stock pictures, royaltyfree photos. Ozone is an irritating, corrosive, colorless gas with a smell something like burning electrical wiring. You can pause the video for reading all the information. But through domestic and international action, the ozone layer is healing and should fully recover by about 2065. The condition of the ozone layer is a heated topic in such conversations. Policy should be strictly enforce to stop production of ozone depleting materials.
Breaks up o3 into o2 and o breaks up cfcs to produce cl cl combines with oxygen atoms, preventing them from combining with o2 to form ozone. The troposphere has a thick layer of carbon dioxide and this layer of carbon dioxide serves as a roof of the. Nearly 90% of earths ozone is in the stratosphere and referred to as the ozone layer. The ozone layer contains less than 10 parts per million of ozone, while the average ozone concentration in earths.
Scientists have found a huge gape in the ozone layer over antarctica. Ozone layer is a thin, fragileshield that contains relatively highconcentrations of ozone. The ozone layer is continually being generated and broken down owing to several atmospheric processes and chemical reactions. Now, you can easily use our professionally predesigned ozone layer depletion powerpoint template to cover it all and serve information to your intended audience. By 1985, the globe had already seen advancements in the scientific understanding of ozone depletion and its impacts on human health and the environment. This website addresses stratospheric ozone issues, including the science of ozone depletion, epas regulatory approach to protecting the ozone layer, epaapproved alternatives to ozone depleting substances, and sun safety. The ozone is an extremely reactive layer and it acts as a shield from the harmful ultraviolet b rays discharged from the sun. Affordable and search from millions of royalty free images, photos and vectors. Ozone layer depletion ozone depletion chlorofluorocarbon. Concern about thinning of the ozone layer over antarctica arose in the 1970s but it was not monitored until in the 1980s we know the amount of o3 is changing. Approximately 90 percent of the atmospheres ozone occurs from 1018 km 611 miles to. It contains some videos and gif at thte end from an external source. The concentration of ozone in the ozone layer is usually under 10 parts ozone per million 5.
Timeline of stratospheric ozone depletion and observations. It shields the entire earth frommuch of the harmful uv radiationthat comes from the sun 3. Abnormal weather patterns in the upper atmosphere over antarctica dramatically limited ozone depletion in september and october, resulting in the smallest ozone hole observed since 1982, nasa and noaa scientists reported today. Once they get there they destroy ozone molecules and cause the ozone layer to become depleted or thinner. The ozone layer is found in the upper stratosphere and its primary function is to filter ultraviolet shortwave radiation that. Ozone is present high in our atmosphere as a gas, and molecules of ozone absorb ultraviolet uv light emitted by our sun. Plus youll get a link to a free powerpoint template with every. 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. Trends in emissions of ozonedepleting substances, ozone. Find highquality ozone depletion stock photos and editorial news pictures from getty images. Times helvetica symbol new york default design microsoft word document the stratospheric chemistry and the ozone layer no slide title no slide title no slide title no slide title no slide title no slide title no slide title no slide title no slide title no slide. Download affordable depletion of ozone layer editable powerpoint template now. Unfortunately, cfcs can eventually find their way into the earths atmosphere and the ozone layer.
Ozone layer, region of the upper atmosphere, between roughly 15 and 35 km 9 and 22 miles above earths surface, containing relatively high concentrations of ozone molecules. Mar 21, 2020 ozone depletion, gradual thinning of earths ozone layer in the upper atmosphere caused by the release of chemical compounds containing gaseous chlorine or bromine from industry and other human activities. Download premium images you cant get anywhere else. Pdf causes of ozone layer depletion and its effects on. Oct 15, 2010 caption the ozone layer is the portion of the atmosphere that contains high levels of the oxygen molecule ozone. Ppt a seminar on the depletion of the ozone layer, presented by. Conclusion protecting ozone layer is very important because it protect us from harmful uv radiation.
Vienna convention for the protection of the ozone layer calls for voluntary measures to reduce emissions of ozone depleting substances ods. Give your memorable depletion of ozone layer presentation and build your crawd. Ppt ozone layer depletion powerpoint presentation free to. It contains high concentrations of ozoneo3 relative to other parts of the atmosphere.
Best powerpoint templates download your favorites today. This link will open in a new browser window or download. Ozone layer depletion leads to increased uv radiation especially uvb. Project report on ozone depletion environmental pollution. Causes of ozone layer depletion and its effects on human. The ozone layer is mainly found in the lower portion of the stratosphere. Find, read and cite all the research you need on researchgate. Basic ozone layer science ozone layer protection us epa. Ppt ozone layer depletion authorstream presentation. Causes, effects and solutions of ozone layer depletion. If so, share your ppt presentation slides online with. Formation and depletion effect of the montreal protocol on stratospheric cl sunlight incident on earth is very roughly. Jul 11, 2017 depletion of ozone layer powerpoint template is one of the best powerpoint templates by.
The adobe flash plugin is needed to view this content. Professional depletion of ozone layer editable powerpoint. But ozone layer thickness varies with altitude and. Sep 27, 2017 hey guys the ozone day is celebrated on 16th september. Thus, creating a lack of ozone molecules in the atmosphere. The concentration of ozone in the ozone layer is usually under 10 parts ozone. Download the ozone layer formation and depletion ppt for free. Ozone and the ozone hole background catalyst to breaking up the ozone layer. Ppt the ozone layer powerpoint presentation free to download id.
This molecule plays an important role acting as a natural uv shield for the earth. Ozone powerpoint templates w ozonethemed backgrounds. Before 2 decades there was a news stating that the ozone layer got damaged due to over usage of refrigerators and acs. Ozone depletion ozone depletion chlorofluorocarbon. When did we realize ozone depletion was an issue, and how did we fix it. How ozone is formed uv or lightning splits an oxygen o2 these join other o2 to form o3. Ppt the ozone layer powerpoint presentation free to. Evs global warming, ozone depletion ppt free download as powerpoint presentation.
Policy responses to ozone depletion mario molina and sherwood rowland showed in 1974 that cfc gases destroy ozone coordinating committee on ozone layer ccol established by unep in the 1970s vienna convention for the protection of the ozone layer held in 1985 montreal protocol to ban. The lowest layer, the troposphere tropospherethe region of the atmosphere closest to the earth. Near the ground, ozone forming as a result of chemical reactions involving traffic pollution and sunlight may cause a number of respiratory problems, particularly for young children. Aug 01, 2016 the ozone in this region is commonly known as the ozone layer. Ozone layer depletion causes, effects and solutions 7. Free powerpoint presentations about the ozone layer for. Ozone layer depletion cause, effects, and solutions. 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. Ozone hyperlink v1 9m 2017 at a glance the foil kite trend in kitesurfing has been steadily growing for the past few years. For more information about how uv affects humans, you can download the practical guide to the global uv index 429 kb pdf.
However, mounting evidence suggests that ozone layer is diminishing rapidly. The troposphere extends from the surface up to about 10 km in altitude, although this height varies with latitude. Hey guys the ozone day is celebrated on 16th september. The ozone depletion resulted in secondary production of an ozone layer near. The thinning is most pronounced in the polar regions, especially over antarctica. It contains high concentration of ozone o 3 in relation to other parts of the atmosphere, although still small in relation to other gases in the stratosphere. The ozone layer refers to a region of earths stratosphere that absorbs most of the suns uv radiation. Ozone layer the ozone layer is basically naturally occurring gas in the region of stratosphere where ozone particles are accumulated 2. Be effective with your powerpoint presentations by using our depletion of ozone layer powerpoint presentation template. A free powerpoint ppt presentation displayed as a flash slide show on id.
This, in turn, will lead to the breakdown of ozone. Graphs and diagrams slides to give professional look to you presentation. The depletion of ozone layer has trickle down effects in the form of global warming, which in turn leads to melting of polar ice, which will lead to rising sea levels and climatic changes around the world. Summary ozone gas and ozone layer process of ozone layer is depletion harmful effect of ozone layer depletion the world response to ozone layer. Concern about a depleting ozone layer dates back to the 1970s. The ozone hole grows and decreases every year with. Ozone depletion eric lin, cody lu natalie qin, silvia shi the ozone layer is essential to organisms because it protects them from harmful effects of the. In 1974, chemists mario molina and frank sherwood rowland discovered a link between chlorofluorocarbons cfcs and the breakdown of ozone in the.
Ozone layer depletion causes, effects and solutions. Free powerpoint presentations about the ozone layer for kids. Ozone absorbs a band of ultraviolet radiation called uvb. The ozone layer absorbs harmful ultraviolet radiation from the sun and is very. Ozone in the lower atmosphere contributes to global warming and climate change. Ppt ozone depletion powerpoint presentation free to. The ozone layer protects living things from harmful ultraviolet rays from the sun. The greenhouse is covered with a kind of plastic walls which permits all radiations from the sun. Ozone and environment ozone o3 a gas composed of three atoms of oxygen bluish gas that is harmful to breathe nearly 90% of the earth sponsored links displaying powerpoint presentation on ozone layer depletion available to view or download.
Petes powerpoint station is your destination for free powerpoint presentations for kids and teachers about the ozone layer, and so much more. The troposphere is full of weather and bad ozone, and above that, is the stratosphere, where good ozone protects us against dangerous uv light. The vienna convention for the protection of the ozone layer. The ozone layer was discovered in 19 by the french physicists charles fabry and henri buisson.
This makes the thickness of the ozone layer to vary geographically and seasonally. It contains high concentrations of ozone o3 relative to other parts of the atmosphere. Ozone exists within both the tropospheric and stratospheric zones of the earths atmosphere in the troposphere, ground level ozone is a major air pollutant and primary constituent of photochemical smog in the stratosphere, the ozone layer is an essential protector of life on earth as it absorbs harmful uv radiation before it reaches the earth. Hence, cfcs are transporting agents that are responsible for damaging the ozone layer. Ozone and environment ozone o3 a gas composed of three atoms of oxygen bluish gas that is harmful to breathe nearly 90% of the earths ozone is in the stratosphere and is referred to as the ozone layer ozone absorbs a band of ultraviolet radiation called uvb ozone depleting substances ods. Let us have a detailed look at the various causes and effects of ozone layer depletion. The ozone layer or ozone shield is a region of earths stratosphere that absorbs most of the suns ultraviolet radiation. Ozone layer introduction the ozone layer refers to the ozone within stratosphere, where over 90% of the earths ozone resides. Ozone layer is also naturally broken down but there is a balance between its formation and natural depletion. The ozone layer is the property of its rightful owner. Download premium powerpoint templates and business design templates. Depletion of the stratospheric ozone layer by humanproduced ozone depleting substances has been recognized as a global environmental issue for more than three decades, and the international effort to address the issue via the united nations montreal protocol marked its 20year anniversary in 2007. The ozone layer absorbs most of uv light from sun in stratosphere. The ozone layer formation and depletion powerpoint presentation.
The aim of this article is to establish a correlation links between the total ozone content and the shortterm. A greenhouse or a farm house is a very big enclosure for the plants in a farm to save them from an extremely cold temperature in winter. The earths atmosphere is composed of several layers. Our ozone layer depletion ppt template is excellent for giving an indepth presentation about such a topic. In this page you may see seminar for ozone layer depletion related pages link and. If interested, you can purchase this powerpoint from my online store. Ppt ozone depletion powerpoint presentation free to download id. View and free download depletion of ozone layer powerpoint ppt presentation slides. Cfcs, hcfcs, halons, methyl bromide, carbon tetrachloride, and methyl chloroform. Cfcs get banned in 1974 scientists sherry rowland and mario molina discovered the link between the depletion of the ozone layer and cfcs.
Ozone can be bad every spring a hole in the layer of harmless ozone as big as the usa opens over antarctica, a smaller one develops over the arctic at the north pole this is the first signs that the ozone layer is. The first report of depletion in o 3 layer came out in the 1980s by an atmospheric scientist in antarctica. Very useful to create presentations about space science, astrophysics, astronomy, astronomical objects like stars, planets, galaxies, nebulae etc. Ozone is very rare in our atmosphere, averaging about three molecules of ozone for every 10 mi. This free powerpoint template helps you to grasp the attention of your viewers towards the importance, effects and causes of ozone layer.
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