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. 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. The ozone layer was discovered in 19 by the french physicists charles fabry and henri buisson. Update on ozonedepleting substances odss and other gases of. Program published its first results to shown clear initial signs of ozone hole. 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 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. 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. Scientific assessment of ozone depletion 2006 twenty. Experiments show that ozone strongly absorbs solar ultraviolet uv radiation. The ozone layer thus plays an important role by preventing the harmful uv radiations from penetrating into the earths lower atmosphere the troposphere. The latter phenomenon is referred to as the ozone hole. The ozone layer is a very important part of our everyday life. Chapte r ozone depletion potentials, global warming.
Normal ozone ozone layer depletion and its effects. Download affordable depletion of ozone layer editable powerpoint template now. Ozone water treatment seminar report, ppt, pdf for. The ozone hole grows and decreases every year with. Ozone hole 1985, british scientists reported a sudden large depletion in the ozone over the south pole simultaneous satellite measurements confirmed the decrease, but. Stock photos by molekuul 2 8 ozone trioxygen, o3 molecule, chemical structure. When this breakdown of the ozone layer occurs, the earth stands more vulnerable as it. Ozone o 3 is a gas with molecules made of three atoms of oxygen. 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. The ozone layer is found in the upper stratosphere and its primary function is to filter ultraviolet shortwave. 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. Enter one or more tags separated by comma or enter. The ozone saga is an inspiring goodnews story thats. 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.
Ozone layer protection environmental protection department. Ozone depletion simple english wikipedia, the free. Ozone depletion itself is not the principal cause of global climate change. No design or tech skills are necessary its free, easy, and awesome. When the software was rerun without the flags, the ozone hole was seen as far back as 1976. The ozone layer helps to protect life from harmful ultraviolet radiation. There, between 15 and 30 km, is where what is known as ozone. Ozone layer depletion powerpoint template sketchbubble. 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. The answers are updates of those first presented in the previous ozone assessment, scientific assessment of ozone depletion. Download s depletion of ozone layer microsoft word template design now. Internet resources for both ozone information, and neat digitized images of the antarctic ozone hole. 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. Our powerpoint presentation about ozone depletion, its effects and its causes.
Ozone depletion potentials odps were a very important measure in the formulation of the montreal protocol and its amendments. There have been several concerns about ozone depletion. 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. Presentation on ozone depletion free download as powerpoint presentation. Project ozone layer depletion pdf the stratospheric ozone layer forms a thin shield in the upper atmosphere, protecting life on earth from. With more uv radiation reaching the earth surface due to ozone depletion, human. Introduction under the montreal protocol on substances that deplete the ozone layer, article 7 of the protocol. Stratospheric ozone depletion leads to surface cooling, while the observed increases in tropospheric ozone and other greenhouse gases lead to surface. Depletion of ozone layer editable word template and design. The identification of the emitted gases is essential to determine their contribution to the depletion of the ozone layer and is measured in kg. Ppt ozone depletion powerpoint presentation free to.
Without it, life on earth would be almost impossible. The natural distribution of ozone around the earth is. The ozone layer refers to a region of earths stratosphere that absorbs most of the suns uv radiation. Environmental assessment of ozone layer depletion due to.
This report covers the important and substantial achievements of the people, programs, and organizations that are working to protect the earths ozone layer. Nearly 90% of earths ozone is in the stratosphere and referred to as the ozone layer. Ozone absorbs a band of ultraviolet radiation called uvb. It filters the suns ultraviolet radiation, helping us live. Find out what caused the ozone hole, and how the 1989 montreal protocol sought to put an end to ozone depletion. Since about the 1970s, there has been a decrease in total volume of the ozone in the ozone layer, of about 4%, per decade.
Explore ozone water treatment with free download of seminar report and ppt in pdf and doc format. Our experts wont do the work for you, but they will make suggestions and offer guidance if you come to them with specific questions. Changes in ozone and climate are directly linked because ozone absorbs solar radiation and is also a greenhouse gas. Ozone is found throughout the earths atmosphere in minute quantities about 0. Causes, effects and solutions of ozone layer depletion.
It contains some videos and gif at thte end from an external source. Ozone is present high in our atmosphere as a gas, and molecules of ozone absorb ultraviolet uv light emitted by our sun. 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. Ozone shown to be a natural atmospheric constituent. The problems and causes associated with ozone depletion arise from human activities. Stratospheric ozone depletion is a concern because the ozone layer in the stratosphere keeps 9599% of the suns ultraviolet radiation from striking the earth. From the 10 km to about 50 km, is known by the name of stratospheric layer. Ozone layer ozone ozone layer depletion importance of ozone layer earth you cant enter more than 5 tags. The ozone layer formation and depletion powerpoint presentation.
Temperature of the stratosphere is a key factor, as is sunlight, in the depletion of ozone. Ozone layer depletion powerpoint ppt presentations. For this science project you will need to develop your own experimental procedure. The depletion of the ozone layer has thus resulted in the birth of a fear in everybodys minds. 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. Ozone layer depletion ozone layer depletion ib sl what is it.
Ppt ozone hole powerpoint presentation free to download. Powtoon gives you everything you need to easily make professional videos and presentations that your clients, colleagues, and friends will love. Pdf causes of ozone layer depletion and its effects on. The emission of ozonedepleting gases are threatening the earths ozone layer. Causes of ozone layer depletion and its effects on human. The net gwps of halocarbons depend strongly upon the effectiveness of each compound for ozone destruction. Ozone powerpoint template by kartodarim graphicriver. Ozone is a gas that is present in the ozone layer in the stratosphere of the earth. The ozone story presentation ozone secretariat unep ozone distribution in the atmosphere scientific background i history 1839.
Project report on ozone depletion environmental pollution. Ozone depletion and climate change environment canada. 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. Ozone depletion ozone depletion chlorofluorocarbon. Download the ozone layer formation and depletion ppt for free. 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 is different from the oxygen we breath o 2, which has two atoms of oxygen and makes up 21% of the earths atmosphere. A free powerpoint ppt presentation displayed as a flash slide show on id. For more information about how uv affects humans, you can download the practical guide to the global uv index 429 kb pdf. My teaching and textbook1 have always covered many physicsrelated social issues, including stratospheric ozone depletion and global warming. Depletion of stratospheric ozone o3, as commonly known as the hole in the ozone layer, is an issue of international concern. The term ozone depletion can refer to a number of distinct, but related phenomena. Active chlorine is in the ppt range similar to hox, less than nox.
Apr 18, 2019 the ozone layer helps to protect life from harmful ultraviolet radiation. Luis favelaas we have seen, the atmosphere is divided into several layers. Presentation on ozone depletion ozone depletion medicine. Gwps including indirect effects of ozone depletion have been estimated fo r a variety of halocarbons cfcs, halons, hcfcs, etc. Cfcs, hcfcs, halons, methyl bromide, carbon tetrachloride, and methyl chloroform. Be effective with your powerpoint presentations by using our depletion of ozone layer powerpoint presentation template.
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. Remove this presentation flag as inappropriate i dont like this i like this remember as a favorite. Ozone depletion free download as powerpoint presentation. There, it will absorb almost all ultraviolet light which is harmful to many organisms. This link will open in a new browser window or download. Ozone depletion facts and information national geographic. This printable depletion of ozone layer editable word template is available for easy to use. Ozone depletion simple english wikipedia, the free encyclopedia. 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. The condition of the ozone layer is a heated topic in such conversations. Progress report 2003 united nations environment programme, environmental e.
Ozone layer depletion penn state college of earth and. If you would like to discuss your ideas or need help troubleshooting, use the ask an expert forum. 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. 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.
Is there a difference in ozone coverage between different hemispheres. Be effective with your business documentation by using our depletion of ozone layer word document template. It contains high concentrations of ozone o3 relative to other parts of the atmosphere. The main reasons of this depletion are the release of organohalogen compounds like chlorofluorocarbons and bromofluorocarbons. Ozone depletion consists of two related events observed since the late 1970s. Professional depletion of ozone layer editable powerpoint. 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. You can find maps of the ozone layer and compare different regions of the globe for ozone coverage. 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. Now, you can easily use our professionally predesigned ozone layer depletion powerpoint template to cover it all and serve information to your intended audience. Ppt ozone layer depletion authorstream presentation.
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. Use the information in the summary tab as a starting place. Establishment of a halon management program, including halon banking. Chlorodifluoromethane r22, for example, has an odp of 0. Global climate change and ozone depletion global climate change and ozone depletion. Displaying powerpoint presentation on the ozone layer formation and depletion available to view or download. If so, share your ppt presentation slides online with. 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 important for blocking most of the harmful radiation that comes from the sun. Scribd is the worlds largest social reading and publishing site. 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. 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.
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