Effects and measures to protect ozone layer depletion. Ozone layer depletion article about ozone layer depletion. Evs global warming, ozone depletion ppt free download as powerpoint presentation. Ozone layer depletion powerpoint template sketchbubble. Download premium images you cant get anywhere else. The upper layer of the atmosphere surrounded by ozone 15 to 30 kms is known as ozonosphere. The ozone layer refers to a region of earths stratosphere that absorbs most of the suns uv radiation.
Ozone is a gas made up of three oxygen atoms o3 much like the layer of butter that settles on top if a glass of buttermilk is left unattended for a while. Professional depletion of ozone layer editable powerpoint. Ozone depletion simple english wikipedia, the free encyclopedia. There, it will absorb almost all ultraviolet light which is harmful to many organisms. Ozone layer depletion chlorofluorocarbon ozone depletion. Give your memorable depletion of ozone layer presentation and build your crawd. Ppt ozone layer depletion powerpoint presentation free. The ozone depleting substances regulation and control. 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 eric lin, cody lu natalie qin, silvia shi the ozone layer is essential to organisms because it protects them from harmful effects of the. What is ozone layer ozone destruction causes of ozone depletion steps in ozone depletion effects of uv radiations on how to stop ozone depletion initiatives taken to protect ozone depletion conclusion. The earths ozone layer is mainly found in the lower portion of the stratosphere from approximately 20 to 30. Pdf causes of ozone layer depletion and its effects on.
Cfcs, hcfcs, halons, methyl bromide, carbon tetrachloride, and methyl chloroform. Following is the list of some of the main ozone depleting substances and the sources from where they are released. Unfortunately, cfcs can eventually find their way into the earths atmosphere and the ozone layer. Ppt ozone depletion powerpoint presentation free to download id. Ozone layer the ozone layer is basically naturally occurring gas in the region of stratosphere where ozone particles are accumulated 2. Ozone layer of the earths atmosphere protects us from the harmful solar radiation.
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 layer and causes, effects and solutions to ozone depletion. Presentation on ozone depletion linkedin slideshare. Easy to download and edit, the ozone layer depletion powerpoint template has. Why the hole in the atmospheric ozone layer above us. Ozone depletion over india with so much worry about the rapid ozone depletion taking place in various parts of the earth, indian scientists are closely monitoring the ozone layer over india for possible depletion trends. British science teams in antarctica observe 10% decline in o 3 layer us scientists relying on toms total ozone mapping spectrometer measurements from space claim to observe nothing.
Pdf atmospheric ozone layer depletion and its impact. The adobe flash plugin is needed to view this content. The uploader spent hisher valuable time to create this depletion of ozone layer powerpoint presentation slides, to share hisher useful content with the world. The molecules of chlorofluorocarbons in the stratosphere are broken down by the ultraviolet radiations and release chlorine atoms. 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 substances that. The term ozone depletion can refer to a number of distinct, but related phenomena. Evs global warming, ozone depletion ppt ozone depletion. The causes, mechanism and bioeffects of ozone layer depletion on humans were addressed. Jul 15, 2019 ozone layer depletion has been one of the major concern for the scientists of the world. Ozone depletion chapter 2 ozone depletion chapter 2 ozone layer a layer in the stratosphere that is made of ozone o3 absorbs ultraviolet light from the sun. Find highquality ozone layer stock photos and editorial news pictures from getty images.
Nov 20, 2017 the ozone in the stratosphere is continually being made and broken by ultraviolet light in the ozone oxygen cycle. 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. Depletion of ozone layer powerpoint template is one of the. Ozone layer depletion penn state college of earth and. Once they get there they destroy ozone molecules and cause the ozone layer to become depleted or thinner. Ozone layer depletion cause, effects, and solutions byjus. This free powerpoint template helps you to grasp the attention of your viewers towards the importance, effects and causes of ozone layer depletion. But due to that news now we got the cfc free refrigerators and acs in the market.
The ozone layer was discovered in 19 by the french physicists charles fabry and henri buisson. Before 2 decades there was a news stating that the ozone layer got damaged due to over usage of refrigerators and acs. View and free download depletion of ozone layer powerpoint ppt presentation slides. The ozone layer is mainly found in the lower portion of the stratosphere. Molecular oxygen is broken down in the stratosphere by solar. It acts as a protective shield for the man, animals and. Ppt ozone depletion powerpoint presentation free to. Free chlorine cl atoms then react with ozone molecules, taking one oxygen atom to form chlorine monoxide clo and leaving an oxygen molecule o. Ozone absorbs a band of ultraviolet radiation called uvb.
Ozone layer depletion has been one of the major concern for the scientists of the world. Jul 11, 2017 depletion of ozone layer powerpoint template is one of the best powerpoint templates by. Ppt ozone layer depletion powerpoint presentation free to. Formation and depletion effect of the montreal protocol on stratospheric cl sunlight incident on earth is very roughly. Scientists have found a huge gape in the ozone layer over antarctica. Ozone concentration differs by about 10 ppm in stratosphere compared to 0. Nov 05, 2012 ozone is a gas made up of three oxygen atoms o3 much like the layer of butter that settles on top if a glass of buttermilk is left unattended for a while. Ozone depletion free math worksheets for kids kiddy math. It contains high concentrations of ozone o3 relative to other parts of the atmosphere. Ozone depleting substances are the substances such as chlorofluorocarbons, halons, carbon tetrachloride, hydrofluorocarbons, etc. At higher levels in the atmosphere the uv radiation splits some oxygen molecules o 2 into free oxygen atoms which combines with oxygen molecules o 2 to form ozone.
If each chlorine atom released from a cfc molecule destroyed only one ozone molecule, cfcs would pose very little threat to the ozone layer. Cfcs get banned in 1974 scientists sherry rowland and mario molina discovered the link between the depletion of the ozone layer and cfcs. Ozone layer is also naturally broken down but there is a balance between its formation and natural depletion. A free powerpoint ppt presentation displayed as a flash slide show on id. Research has shown that the ozone is slowly being depleted. Chapagain and others published atmospheric ozone layer depletion and its impact, find, read and cite all.
The causes of ozone depletion the impacts ozone depletion has on the environment the current status of the ozone solutions to the. Causes of ozone layer depletion and its effects on human. Ppt ozone depletion powerpoint presentation, free download. Ppt ozone layer depletion powerpoint presentation, free. The level from which it extends outward varies with latitude. Ozone is a gas that is present in the ozone layer in the stratosphere of the earth. 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. As a result the total amount of ozone remains constant.
The latest ozone layer depletion news is included at the foot of the page. Our ozone layer depletion ppt template is excellent for giving an indepth presentation about such a topic. Uv gets absorbed in the stratosphere by molecular oxygen, which splits into 2. Ozone layer is a protective stratospheric layer, also known as ozone umbrella. The chlorine and bromine free radicals react with ozone molecule and. Nearly 90% of earths ozone is in the stratosphere and referred to as the ozone layer. Be effective with your powerpoint presentations by using our depletion of ozone layer powerpoint presentation template. Download affordable depletion of ozone layer editable powerpoint template now. Shall we expect the history and origin of ozone day celebration and the procedure for celebrating the ozone day from our members. Ozone layer and ozone layer depletion powerpoint free. When up there, ods are comfortably broken down by the strong uv light and the. Another most feared aspect of pollution is depletion of ozone layer of the stratosphere. However, mounting evidence suggests that ozone layer is diminishing rapidly.
Layer depletion ppt template is excellent for giving an indepth presentation. The ozone in the stratosphere is continually being made and broken by ultraviolet light in the ozoneoxygen cycle. The ozone layer is a belt of the naturallyoccuring gas ozone that sits at an altitude of between 15 and 30 kilometers above the earth. Ozone depletion consists of two related events observed since the late 1970s. Introduction ozone is a bluish gas located in the stratosphere which protects the earth by absorbing uvb and prevents this harmful radiation from reaching the earth. Since about the 1970s, there has been a decrease in total volume of the ozone in the ozone.
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