The ozone layer was discovered in 19 by the french physicists charles fabry and henri buisson. Download affordable depletion of ozone layer editable powerpoint template now. The latter phenomenon is referred to as the ozone hole. Find out what caused the ozone hole, and how the 1989 montreal protocol sought to put an end to ozone depletion. Ozone depletion simple english wikipedia, the free encyclopedia. Changes in ozone and climate are directly linked because ozone absorbs solar radiation and is also a greenhouse gas. Ppt ozone layer depletion authorstream presentation. Greenhouse gases and ozone hole temperature and ozone take home points continued anthropogenic release of greenhouse gases, not only cfcs, into the atmosphere will enlarge the ozone holes, letting more harmful uv rays reach the earths surface. Be effective with your powerpoint presentations by using our depletion of ozone layer powerpoint presentation template. The problems and causes associated with ozone depletion arise from human activities. Chapte r ozone depletion potentials, global warming. Chlorodifluoromethane r22, for example, has an odp of 0.
Causes, effects and solutions of ozone layer depletion. There have been several concerns about ozone depletion. Enter one or more tags separated by comma or enter. Ozone hole 1985, british scientists reported a sudden large depletion in the ozone over the south pole simultaneous satellite measurements confirmed the decrease, but. Ozone is a gas that is present in the ozone layer in the stratosphere of the earth. The main reasons of this depletion are the release of organohalogen compounds like chlorofluorocarbons and bromofluorocarbons. 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. Apr 18, 2019 the ozone layer helps to protect life from harmful ultraviolet radiation. Ozone depletion consists of two related events observed since the late 1970s. The ozone layer refers to a region of earths stratosphere that absorbs most of the suns uv radiation. Ozone depletion facts and information national geographic.
Program published its first results to shown clear initial signs of ozone hole. 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 ozonedepleting substances ods. Ppt ozone depletion powerpoint presentation free to. Presentation on ozone depletion free download as powerpoint presentation. Ozone layer ozone ozone layer depletion importance of ozone layer earth you cant enter more than 5 tags. 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. Apr 14, 2017 for more information about how uv affects humans, you can download the practical guide to the global uv index 429 kb pdf. Project report on ozone depletion environmental pollution. 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. Ozone absorbs a band of ultraviolet radiation called uvb.
When the software was rerun without the flags, the ozone hole was seen as far back as 1976. The natural distribution of ozone around the earth is. Explore ozone water treatment with free download of seminar report and ppt in pdf and doc format. Gwps including indirect effects of ozone depletion have been estimated fo r a variety of halocarbons cfcs, halons, hcfcs, etc. You can find maps of the ozone layer and compare different regions of the globe for ozone coverage. For this science project you will need to develop your own experimental procedure. The ozone saga is an inspiring goodnews story thats.
Ozone depletion itself is not the principal cause of global climate change. Our experts wont do the work for you, but they will make suggestions and offer guidance if you come to them with specific questions. Global climate change and ozone depletion global climate change and ozone depletion. Ozone is a form of oxygen o3, most of the atmospheric ozone occurs in the stratosphere region, the greatest concentration of ozone occurs between 1930km. A free powerpoint ppt presentation displayed as a flash slide show on id. The ozone layer helps to protect life from harmful ultraviolet radiation.
The ozone layer is mainly found in the lower portion of the stratosphere. Ozone depletion and climate change environment canada. It contains some videos and gif at thte end from an external source. Ozone water treatment seminar report, ppt, pdf for. Ozone layer depletion powerpoint template sketchbubble. Stock photos by molekuul 2 8 ozone trioxygen, o3 molecule, chemical structure. Active chlorine is in the ppt range similar to hox, less than nox.
Causes of ozone layer depletion and its effects on human. Luis favelaas we have seen, the atmosphere is divided into several layers. Professional depletion of ozone layer editable powerpoint. Ozone depletion ozone depletion chlorofluorocarbon. Ozone o 3 is a gas with molecules made of three atoms of oxygen. Pdf causes of ozone layer depletion and its effects on. The ozone layer is a very important part of our everyday life. The identification of the emitted gases is essential to determine their contribution to the depletion of the ozone layer and is measured in kg. Establishment of a halon management program, including halon banking. Most ozone is found in the stratosphere upper part of the atmosphere, more than 10 to 16 kms from the surface of the earth.
Introduction under the montreal protocol on substances that deplete the ozone layer, article 7 of the protocol requires all parties, both developing countries also called article 5 countries and developed countries. If you would like to discuss your ideas or need help troubleshooting, use the ask an expert forum. Temperature of the stratosphere is a key factor, as is sunlight, in the depletion of ozone. The depletion of the ozone layer has thus resulted in the birth of a fear in everybodys minds. For much of that time, they have been treated as separate and distinct problems, with researchers setting up separate programs to investi gate the underlying. Download the ozone layer formation and depletion ppt for free. The results of a quantitative study about the potential environmental impact of ozone layer depletion due to the manufacture of plastic bags in a plant located in northern colombia are presented in this article. Ozone depletion stock photo by rnl 1 36 ozone depletion stock images by radiantskies 1 189 ozone depletion stock image by rnl 0 10 ozone trioxygen, o3 molecule, chemical structure. An ebook reader can be a software application for use on a computer such as microsofts free reader application, or a booksized computer this is used solely as a reading device such as nuvomedias rocket ebook. Project ozone layer depletion pdf the stratospheric ozone layer forms a thin shield in the upper atmosphere, protecting life on earth from. 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. It contains high concentrations of ozone o3 relative to other parts of the atmosphere.
Ozone shown to be a natural atmospheric constituent. Be effective with your business documentation by using our depletion of ozone layer word document template. Now, you can easily use our professionally predesigned ozone layer depletion powerpoint template to cover it all and serve information to your intended audience. It filters the suns ultraviolet radiation, helping us live. Introduction under the montreal protocol on substances that deplete the ozone layer, article 7 of the protocol.
Cfcs, hcfcs, halons, methyl bromide, carbon tetrachloride, and methyl chloroform. Use the information in the summary tab as a starting place. The term ozone depletion can refer to a number of distinct, but related phenomena. The emission of ozonedepleting gases are threatening the earths ozone layer. Cfc 11, or r11 has the maximum potential amongst chlorocarbons because of the presence of three chlorine atoms in the molecule. The ozone layer is found in the upper stratosphere and its primary function is to filter ultraviolet shortwave. This printable depletion of ozone layer editable word template is available for easy to use. Ozone layer depletion penn state college of earth and. Ozone layer protection environmental protection department.
Since about the 1970s, there has been a decrease in total volume of the ozone in the ozone layer, of about 4%, per decade. The ozone layer is important for blocking most of the harmful radiation that comes from the sun. The questions address the nature of atmospheric ozone, the chemicals that cause ozone depletion, how global and polar ozone depletion occur, and what could lie ahead for the ozone layer. Environmental assessment of ozone layer depletion due to. Remove this presentation flag as inappropriate i dont like this i like this remember as a favorite. Depletion of ozone layer editable word template and design. This is different from the oxygen we breath o 2, which has two atoms of oxygen and makes up 21% of the earths atmosphere. Is there a difference in ozone coverage between different hemispheres. Without it, life on earth would be almost impossible. Experiments show that ozone strongly absorbs solar ultraviolet uv radiation. Ozone depletion potentials odps were a very important measure in the formulation of the montreal protocol and its amendments.
No design or tech skills are necessary its free, easy, and awesome. The ozone layer formation and depletion powerpoint presentation. The ozone layer thus plays an important role by preventing the harmful uv radiations from penetrating into the earths lower atmosphere the troposphere. Update on ozonedepleting substances odss and other gases of. Powtoon gives you everything you need to easily make professional videos and presentations that your clients, colleagues, and friends will love. Presentation on ozone depletion ozone depletion medicine. From the 10 km to about 50 km, is known by the name of stratospheric layer. 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.
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. 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. Ppt ozone hole powerpoint presentation free to download. The ozone hole grows and decreases every year with. Ozone is present high in our atmosphere as a gas, and molecules of ozone absorb ultraviolet uv light emitted by our sun.
Stratospheric ozone depletion is a concern because the ozone layer in the stratosphere keeps 9599% of the suns ultraviolet radiation from striking the earth. 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. Download s depletion of ozone layer microsoft word template design now. The answers are updates of those first presented in the previous ozone assessment, scientific assessment of ozone depletion. Nearly 90% of earths ozone is in the stratosphere and referred to as the ozone layer. Ozone layer depletion ozone layer depletion ib sl what is it.
This link will open in a new browser window or download. Stratospheric ozone depletion leads to surface cooling, while the observed increases in tropospheric ozone and other greenhouse gases lead to surface. Scribd is the worlds largest social reading and publishing site. Ozone depletion free download as powerpoint presentation. Ozone depletion simple english wikipedia, the free. Also explore the seminar topics paper on ozone water treatment with abstract or synopsis, documentation on advantages and disadvantages, base paper presentation slides for ieee final year mechanical engineering me or production automobile students for the year 2019 2020. There, between 15 and 30 km, is where what is known as ozone. Progress report 2003 united nations environment programme, environmental e. This report covers the important and substantial achievements of the people, programs, and organizations that are working to protect the earths ozone layer. These radiations can cause severe diseases in humans such as skin cancer, eye damage and genetic mutations etc 9. Internet resources for both ozone information, and neat digitized images of the antarctic ozone hole.
Ozone layer depletion powerpoint ppt presentations. The net gwps of halocarbons depend strongly upon the effectiveness of each compound for ozone destruction. Normal ozone ozone layer depletion and its effects. The ozone depletion potential odp of a chemical compound is the relative amount of degradation to the ozone layer it can cause, with trichlorofluoromethane r11 or cfc11 being fixed at an odp of 1.
Scientific assessment of ozone depletion 2006 twenty. My teaching and textbook1 have always covered many physicsrelated social issues, including stratospheric ozone depletion and global warming. The condition of the ozone layer is a heated topic in such conversations. When this breakdown of the ozone layer occurs, the earth stands more vulnerable as it. If so, share your ppt presentation slides online with. There, it will absorb almost all ultraviolet light which is harmful to many organisms. Depletion of stratospheric ozone o3, as commonly known as the hole in the ozone layer, is an issue of international concern. Displaying powerpoint presentation on the ozone layer formation and depletion available to view or download. Our powerpoint presentation about ozone depletion, its effects and its causes. It is called a large amount of ozone to the molecules that are accumulate in the atmosphere and together act as a shield for some sunlight.
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