Ozone depletion is when the constant release of manmade gases such as factories and car exhaust cause holes in the ozone layer. Vienna convention, including estimates of the levels of ozonelayer depletion. Another most feared aspect of pollution is depletion of ozone layer of the stratosphere. Global warming is a phenomenon described as heating of the planet of due to an insulation layer.
Ozone depletion and global warming an integrated approach. Therefore, the economic activities of the human have resulted in depletion of the ozone layer and increasing the global warming on the earth and it accounts to 82% of the total ozone layer depletion and global warming desmet and rossihansberg 2015. Cfc 11, or r11 has the maximum potential amongst chlorocarbons because of the presence of three. The climate system involves the atmosphere specifically processes within the troposphere, such as air circulation patterns land surfaces and oceans. The assessment documents the advances in scientific understanding of ozone. Jan 03, 2009 global warming is related to increasing amounts of greenhouse gases water vapor, carbon dioxide, methane, nitrous oxide, etc. Ozone o3 depletion and global warming, but are environmental problems and have a common cause.
Cppfes2043a prevent ozone depleting substance and synthetic greenhouse gas emissionsdate this document was generated. The 2018 edition of the 20 questions document is the fourth update of the original. Obviously, both ozone depletion and climate change are problems with global extent that emerge from. Plankton plays a pivotal role in the ability of oceans to draw carbon dioxide the primary global warming chemical from the atmosphere, thereby making oceans along with rainforests important carbon. The proteins cells in plants undergo harmful mutations, all due to ultraviolet radiations. Effects of global warming and ozone layer depletion on. Cfcs also contribute to global warming, with a global warming potential gwp of 6 0009 800 times that of carbon dioxide over a period of 100 years. Find out what caused the ozone hole, and how the 1989 montreal protocol sought to put an end to ozone depletion. On the link between ozone depletion and global warming. From glacial periods or ice ages, where ice covered significant portions of the earth, to interglacial periods where ice retreated to the poles or melted entirely the. Global warming refers to an unequivocal and continuing rise in the average temperature of earths climate system. Some authors suggested that the reasons for it are. Things that cause global warming is the constant release of carbon dioxide when fossil fuels, such as oils and coal, are burned. Instead of looking back at the successful cfc phaseout, the u.
Global warming also leads to ozone layer depletion. Ozone o 3 depletion does not cause global warming, but both of these environmental problems have a common cause. Ozone depletion means the ozone is being depleted, or taken away. Global warming and ozone depletion flashcards quizlet. 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. Global warming and the depletion of the ozone o3 layer the average surface temperature on earth has increased approximately 1. Due to global warming and green house effect most of the heat is trapped in troposphere which is the layer below the stratosphere. The ozone hole is an area in the stratosphere above antarctica where chlorine and bromine gases from humanproduced chlorofluorocarbons. Increasing production of cfcs was stopped by 1993 as a result of the united nations montreal protocol on substances that deplete the ozone layer. Electromagnetic radiation travels as a broad spectrum of frequencies, not as waves, nor particles. Global warming and ozone layer depletion are two different problems see the. Addressing ozone layer depletion ozone layer protection. Ozone layer depletion fueled by falling temperature in the stratosphere can be termed as yet another hazardous effect of global warming on the earth.
So if we make awareness among people we can sav e ozone layer from depletion, ecosystem imbalance, and o ther. Mb is an organic halogen with powerful ozonedepleting potential and highly toxic to humans. 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. 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. If the global warming trend continues, the results could be depressing indeed. Ozone depletion and global warming overview page 1 of 5 halocarbons are chemical compounds containing carbon, one or more halogens, and sometimes hydrogen. In this paper we will attempt to examine the relationship between global warming and ozone layer depletion, subsequently try to look at the possible solutions. Depletion of this layer by ozone depleting substances ods will lead to higher uvb levels, which in turn will cause increased skin cancers and cataracts and potential damage to some marine organisms, plants, and plastics. Causes of ozone layer depletion and its effects on human. To conclude, it is crucial to clearly differentiate between what this book claims and what it does not. Ozone layer depletion, its causes and its effects free download as powerpoint presentation. The ozone layer helps to protect life from harmful ultraviolet radiation.
First, i do not claim that eventually solving climate change and other global environmental problems can be accomplished with less than universal participation. Try reading wikipedia on both and you should be prepared for your exam. Ozone depletion and climate change have usually been thought of as environmental issues with little in common other than their global scope. This ozone layer sustains life on the earth by absorbing a great deal of uv ultra violet light radiating out of sun. Most of global warming is being caused by increasing concentrations of greenhouse gases produced by human activities. Global warming and ozone layer depletion are two different problems see the sidebar misconceptions about global atmospheric change on page 95. When the amount of ozone is reduced depleted, more of this sun. Ozone depletion and global warming are two major environmental concerns with serious implications for the future development of the refrigerationbased industries. Scientific assessment of ozone depletion montreal protocol.
Ozone layer depletion leading to increased uv penetration global warming. Cfcs, hcfcs, halons, methyl bromide, carbon tetrachloride, and methyl chloroform. The recent years publications have focused on the influence of the ozone layer depletion old to the climate change cc. Ozone layer depletion and global warming myassignmenthelp. The ozone layer, more than 12 miles up in the atmosphere, is formed and heated by highenergy, ultraviolet radiation from the sun. Pdf causes of ozone layer depletion and its effects on. There is widespread scientific interest in better regulation of. Ozone depletion theory, described in this paper, explains global warming by an increase in how much solar energy reaches earths surface due to an observed decrease in the optical thickness of the ozone layer. Ozone layer protection european commission europa eu.
Chlorodifluoromethane r22, for example, has an odp of 0. Oct 12, 2005 ozone depletion and global warming are both manmade and interconnected, and they constitute the most serious environmental crises ever. Since many ozonedepleting substances also have globalwarming potential. Global warming is caused primarily by putting too much carbon dioxide into t. 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. In contrast to the warming of most ocean waters, there is a significant cooling in the north atlantic between greenland and ireland. The ozone hole is an area in the stratosphere above antarctica where chlorine and bromine gases from humanproduced chlorofluorocarbons cfcs and halons have destroyed ozone molecules. The latest ozone layer depletion news is included at the foot of the page. The ozone hole and global warming are not the same thing, and neither is the main cause of the other.
Ozone depletion and global warming linkedin slideshare. This thesis examines global warming and the possible contribution that ozone. Progress report 2003 united nations environment programme, environmental e. Geological survey retired, jackson, wyoming, usa corresponding author. Protecting the ozone layer and reducing global warming undp. Twenty questions and answers about the ozone layer noaaesrl.
Global warming is caused by the greenhouse effect, which is essential to life as we know it on planet earth. Global warming is related to increasing amounts of greenhouse gases water vapor, carbon dioxide, methane, nitrous oxide, etc. Global warming also l eads to ozone layer depletion. The effects on the industry of the actions to reduce ozone depletion and global warming are now apparent. So if we make awareness among people we can sav e ozone. Scribd is the worlds largest social reading and publishing site. Substances that deplete the ozone layer montreal protocol are jointly. Human activities cause ozone depletion and global warming. Global open source 3d pdf warming potential gwp is the ratio of the warming caused by a substance. These fluorinated gases fgases do not damage the ozone layer, but do have a significant global warming effect. Some halocarbons ozone depleting substances, or odss deplete the ozone layer, while others greenhouse gases, or ghgs are thought to contribute to global warming. Mar 25, 2007 ozone depletion means the ozone is being depleted, or taken away. Man made or not ozone layer is a deep layer in earths atmosphere that contain ozone which is a naturally occurring molecule containing three oxygen atoms. Ozone depletion facts and information national geographic.
Vienna convention for the protection of the ozone layer and its. Ozone depletion and climate change, or ozone hole and global warming in more popular terms, are environmental challenges whose connections have been explored and which have been compared and contrasted, for example in terms of global regulation, in various studies and books. Energy of electromagnetic radiation is the planck constant times frequency. Global warming, ozone layer depletion and climatic change. Another important linkage involves the way that ozonedepleting substances and greenhouse gases alter certain processes in the atmosphere so as to enhance both global warming and stratospheric ozone depletion. Even in the relatively short term, global warming by the anticipated c within the next century, could have an effect on distribution of the kelp species that occur in the uk. Global warming, ozone layer depletion and climatic. Ozone depletion and climate change, or ozone hole and global warming in more popular terms, are environmental challenges whose connections have been explored and which have been compared and contrasted, for example in terms of global regulation, in various studies and books there is widespread scientific interest in better regulation of climate change, ozone. Cfcs, hcfcs, halons, methyl bromide, carbon tetrachloride, and methyl. Global warming is the result of many factors including, but not limited to, ozone depletion. Ozone is a variant of oxygen, the ozone molecule having three atoms of oxygen. The use of cfcs not only destroys the ozone layer but also leads to global warming. Timeline of stratospheric ozone depletion and observations. The odps of cfc11 and cfc12, and the gwp of co 2 all are assigned a value of 1.
Ozone layer depletion, its causes and its effects scribd. The physics of global warming ozone depletion theory. Holes in the ozone are areas where the ozone layer has thinned, or has partially been depleted. It is found largely in the stratosphere that extends from about 6 km at the poles and 17 km at the equator to about 50 km above the earths surface. Intergovernmental panel on climate changetechnology and economic.
The evaporation of surface water through the stomata of leaves increases, which results in the decreased moisture content of the soil. Ozone depletion reasons, impacts, prevention by reshma. Ozone layer depletion, climate change, risks and adaptation. The ozone hole and global warming union of concerned. Protocol and ozone layer depletion will find this publication to be an interesting.
As we all know ozone is present in stratosphere so heat dont reaches troposphere and it remain cold as recovery of ozone layer requires maximum sunlight and. Ozone depletion and global warming are both manmade and interconnected, and they constitute the most serious environmental crises ever. These changes result in a warming of the troposphere and a cooling of the stratosphere. Is depletion of the ozone layer the principal cause of.
Therefore, in 2016, parties to the montreal protocol agreed to add the most common type of fgas, hydrofluorocarbons hfcs, to the list of controlled substances. The ozone layer depletion also helped to keep east antarctica cold, but conversely has helped to make the maritime antarctic region one of the fastest warming regions on the planet. Effects and measures to protect ozone layer depletion. Is depletion of the ozone layer the principal cause. A global perspective introduction the earths climate has changed throughout history and is still in a state of constant turmoil. In 2005, 141 countries engaging in human activities that contribute to 55% of the emissions of greenhouse gases have acceded to the treaty. 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. The ozone layer lies approximately 1540 kilometers 1025 miles above the earths surface, in the stratosphere. Ozone depletion caused by cfcs explains the onset and termination of recent global warming. Figure q182 top panel using their ozone depletion potentials odps and global warming potentials gwps, which indicate the effectiveness of each gas in causing ozone depletion and climate change, respectively. Global warming is caused by ozone depletion, not greenhouse gases november 18th, 2014. How large is the depletion of the global ozone layer. The kigali amendment is projected to reduce future global average warming in. 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.
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