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Journal articles on the topic 'Ozone layer depletion'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Bachewar, Dr Mahesh Sakharam. "Ozone Layer Depletion." International Journal of Advance and Applied Research 4, no. 38 (2023): 37–43. https://doi.org/10.5281/zenodo.10353504.

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<strong>Abstract </strong>–            There are numerous circumstances where human exercises altogether affect the climate. Ozone layer harm is one of them. The goal of this paper is to audit the beginning, causes, components and bio impacts of ozone layer exhaustion as well as the defensive proportions of this evaporating layer. The chlorofluorocarbon and the halons are intense ozone depletors. One of the fundamental explanations behind the boundless worry about consumption of the ozone layer is the expected expansion in the measure

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2

Shelke, Ankita P. "Depletion Of Natural Sunscreen: Causes And It's Effects." International Journal of Advance and Applied Research 4, no. 35 (2023): 151–53. https://doi.org/10.5281/zenodo.10350103.

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<strong>Abstract:</strong>            There are many human activities which Hazardous the environment, Ozone layer depletion is one of the major activity among them. The study implies that the excessive use of Halons, Chlorofluorocarbon (CFC), and other destructive gases causes fastest depletion of ozone layer which is present in the stratosphere which results in emission of Ultraviolet radiation on the surface of earth and harms Human, crops and ecosystem. The study highlights the causes of ozone layer depletion on ecosystem especially on Human bei

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Sao, Aarati. "Ozone Layer Depletion - Causes and Effects: A Review." International Journal of Science and Research (IJSR) 11, no. 1 (2022): 1579–81. http://dx.doi.org/10.21275/sr22126125127.

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4

Srivani, Alla. "Effect of Ozone Layer Depletion on Advanced Materials." Radiology Research and Diagnostic Imaging 2, no. 1 (2023): 01–03. http://dx.doi.org/10.58489/2836-5127/010.

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From ozone exposure can result in significant economic losses due to the higher costs of maintenance, upkeep, and replacement of these materials. Common plastic materials' outdoor service life is restricted by their vulnerability to sun UV radiation. The UV-B component of the solar spectrum is highly effective in causing photo damage in manufactured and naturally occurring materials. This is especially true with plastics, rubber, and wood utilised in the construction and agriculture industries. Any drop in the stratospheric ozone layer and resulting increase in the UV-B component of terrestria

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5

De Winter-Sorkina, Renata. "Impact of ozone layer depletion I: ozone depletion climatology." Atmospheric Environment 35, no. 9 (2001): 1609–14. http://dx.doi.org/10.1016/s1352-2310(00)00436-2.

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6

Dr., Prakash Laxmanrao Dompale. "'OZONE DEPLETION' A VIEW!" International Journal of Advance and Applied Research 2, no. 22 (2022): 152–56. https://doi.org/10.5281/zenodo.7081594.

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<strong><em>Abstract:</em></strong> <em>In the earth's atmosphere, nitrogen (78.1 percent), oxygen (20.9 percent), argon (less than 1 percent) are the main elements, along with carbon dioxide, water vapor, and ozone, there are also small amounts of radioactive elements. This mixture of gases in the earth's atmosphere is called air. The atmosphere is the mixture of many gases (air) surrounding the Earth and other planets and large satellites. Strong enough gravity keeps the atmosphere stuck to the surface of these healthy spheres. A healthy sphere revolves around itself and around other

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7

Dube, Shiva Kant. "Ozone Layer Depletion: A Global Concern." Academic Voices: A Multidisciplinary Journal 8, no. 1 (2018): 90–100. https://doi.org/10.3126/av.v8i1.74057.

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The distribution of ozone in the stratosphere is a function of altitude, latitude and season. It is determined by photochemical and transport processes. The ozone layer is located between 10 to 50 km above the earth’s surface and contains 90 percent of all stratospheric ozone. Under normal conditions, stratospheric ozone is formed by a photochemical reaction between oxygen molecules, oxygen atoms and solar radiation. The ozone layer is essential to life on earth, as it absorbs harmful ultraviolet-B radiation from the sun. In recent years the thickness of this layer has been decreasing, leading

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8

Rowland, F. Sherwood. "Stratospheric ozone depletion." Philosophical Transactions of the Royal Society B: Biological Sciences 361, no. 1469 (2006): 769–90. http://dx.doi.org/10.1098/rstb.2005.1783.

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Solar ultraviolet radiation creates an ozone layer in the atmosphere which in turn completely absorbs the most energetic fraction of this radiation. This process both warms the air, creating the stratosphere between 15 and 50 km altitude, and protects the biological activities at the Earth's surface from this damaging radiation. In the last half-century, the chemical mechanisms operating within the ozone layer have been shown to include very efficient catalytic chain reactions involving the chemical species HO, HO 2 , NO, NO 2 , Cl and ClO. The NO X and ClO X chains involve the emission at Ear

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9

Lu, Jinpeng, Fei Xie, Hongying Tian, and Jiali Luo. "Impacts of Ozone Changes in the Tropopause Layer on Stratospheric Water Vapor." Atmosphere 12, no. 3 (2021): 291. http://dx.doi.org/10.3390/atmos12030291.

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Stratospheric water vapor (SWV) changes play an important role in regulating global climate change, and its variations are controlled by tropopause temperature. This study estimates the impacts of tropopause layer ozone changes on tropopause temperature by radiative process and further influences on lower stratospheric water vapor (LSWV) using the Whole Atmosphere Community Climate Model (WACCM4). It is found that a 10% depletion in global (mid-low and polar latitudes) tropopause layer ozone causes a significant cooling of the tropical cold-point tropopause with a maximum cooling of 0.3 K, and

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10

Mirzakhil, Attaullah, Gul Asghar Aluzai, Khodaidad Khochai, Fazalkarim Elmi, and Saifullah Shinwari. "Ozone Layer Depletion: Causes, Effects and Prevention." Nangarhar University International Journal of Biosciences 03, ICCC(special) (2024): 503–6. http://dx.doi.org/10.70436/nuijb.v3i02.277.

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The purpose of this study was to review the Causes, effects and prevention of the ozone layer depletion. Ozone layer is a part of the stratosphere which absorbs the harmful ultraviolet (UV) rays of the sun and prevents it from reaching the earth surface. Industrial activities, release chemicals into the air that can destroy ozone layer, this process known as ozone layer depletion. The main causes of ozone layer depletion are Chlorofluorocarbons (CFCs), Halons (HCFCs) and NOX (nitrogen oxides), depletion of stratospheric ozone, led to increased ultraviolet radiation at the earth’s surface as we

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11

Rakhmonova, Mashkhurakhon Azamatjon qizi. "THE OZONE LAYER DEPLETION IS CONSIDERED TO BE CHELLENGE FOR HUMANITY OVER THE GLOBE." Academic Research Journal, no. 1 (July 30, 2022): 36–39. https://doi.org/10.5281/zenodo.6944325.

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Ozone-depleting compounds are man-made gases that deplete the ozone layer once they reach it. The ozone layer exists in the high atmosphere and decreases the quantity of ultraviolent radiation that reaches Earth from the sun. Individuals and the environment can be harmed by ultraviolet radiation. I am going to discuss my personal concerns about the ozone layer depletion and its harmful effects to both people and nature. We should protect our Mother Earth from the various super-negative influences. That is why I will explain all the causes and effects in subsequent paragraphs, as well as provid

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12

De Winter-Sorkina, Renata. "Impact of ozone layer depletion II:." Atmospheric Environment 35, no. 9 (2001): 1615–25. http://dx.doi.org/10.1016/s1352-2310(00)00437-4.

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13

Rowlands, Ian H. "OZONE LAYER DEPLETION AND GLOBAL WARMING." Peace & Change 16, no. 3 (1991): 260–84. http://dx.doi.org/10.1111/j.1468-0130.1991.tb00572.x.

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14

Christidou, Vasilia, and Vasilis Koulaidis. "Children's models of the ozone layer and ozone depletion." Research in Science Education 26, no. 4 (1996): 421–36. http://dx.doi.org/10.1007/bf02357453.

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15

Lehrer, E., G. Hönninger, and U. Platt. "The mechanism of halogen liberation in the polar troposphere." Atmospheric Chemistry and Physics Discussions 4, no. 3 (2004): 3607–52. http://dx.doi.org/10.5194/acpd-4-3607-2004.

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Abstract. Sudden depletions of tropospheric ozone during spring were reported from the Arctic and also from Antarctic coastal sites. Field studies showed that those depletion events are caused by reactive halogen species, especially bromine compounds. However the source and seasonal variation of reactive halogen species is still not completely understood. There are several indications that the halogen mobilisation from the sea ice surface of the polar oceans may be the most important source for the necessary halogens. Here we present a 1-D model study aimed at determining the primary source of

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16

Lehrer, E., G. Hönninger, and U. Platt. "A one dimensional model study of the mechanism of halogen liberation and vertical transport in the polar troposphere." Atmospheric Chemistry and Physics 4, no. 11/12 (2004): 2427–40. http://dx.doi.org/10.5194/acp-4-2427-2004.

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Abstract. Sudden depletions of tropospheric ozone during spring were reported from the Arctic and also from Antarctic coastal sites. Field studies showed that those depletion events are caused by reactive halogen species, especially bromine compounds. However the source and seasonal variation of reactive halogen species is still not completely understood. There are several indications that the halogen mobilisation from the sea ice surface of the polar oceans may be the most important source for the necessary halogens. Here we present a one dimensional model study aimed at determining the prima

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17

Zhao, Xiaoyi, Dan Weaver, Kristof Bognar, et al. "Cyclone-induced surface ozone and HDO depletion in the Arctic." Atmospheric Chemistry and Physics 17, no. 24 (2017): 14955–74. http://dx.doi.org/10.5194/acp-17-14955-2017.

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Abstract. Ground-based, satellite, and reanalysis datasets were used to identify two similar cyclone-induced surface ozone depletion events at Eureka, Canada (80.1° N, 86.4° W), in March 2007 and April 2011. These two events were coincident with observations of hydrogen deuterium oxide (HDO) depletion, indicating that condensation and sublimation occurred during the transport of the ozone-depleted air masses. Ice clouds (vapour and crystals) and aerosols were detected by lidar and radar when the ozone- and HDO-depleted air masses arrived over Eureka. For the 2007 event, an ice cloud layer was

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18

Langematz, Ulrike, Franziska Schmidt, Markus Kunze, Gregory E. Bodeker, and Peter Braesicke. "Antarctic ozone depletion between 1960 and 1980 in observations and chemistry–climate model simulations." Atmospheric Chemistry and Physics 16, no. 24 (2016): 15619–27. http://dx.doi.org/10.5194/acp-16-15619-2016.

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Abstract. The year 1980 has often been used as a benchmark for the return of Antarctic ozone to conditions assumed to be unaffected by emissions of ozone-depleting substances (ODSs), implying that anthropogenic ozone depletion in Antarctica started around 1980. Here, the extent of anthropogenically driven Antarctic ozone depletion prior to 1980 is examined using output from transient chemistry–climate model (CCM) simulations from 1960 to 2000 with prescribed changes of ozone-depleting substance concentrations in conjunction with observations. A regression model is used to attribute CCM modelle

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19

Chipperfield, Martyn P., and Slimane Bekki. "Opinion: Stratospheric ozone – depletion, recovery and new challenges." Atmospheric Chemistry and Physics 24, no. 4 (2024): 2783–802. http://dx.doi.org/10.5194/acp-24-2783-2024.

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Abstract. We summarise current important and well-established open issues related to the depletion of stratospheric ozone and discuss some newly emerging challenges. The ozone layer is recovering from the effects of halogenated source gases due to the continued success of the Montreal Protocol despite recent renewed production of controlled substances and the impact of uncontrolled very short-lived substances. The increasing atmospheric concentrations of greenhouse gases, such as carbon dioxide, methane (CH4) and nitrous oxide (N2O), have large potential to perturb stratospheric ozone in diffe

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20

Drake, Frances. "Stratospheric ozone depletion - an overview of the scientific debate." Progress in Physical Geography: Earth and Environment 19, no. 1 (1995): 1–17. http://dx.doi.org/10.1177/030913339501900101.

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For almost half a century it was widely believed that the photochemistry of the stratosphere and hence ozone distribution were well understoood. As observations revealed a gap between observed and predicted values it was recognized that a number of substances acted as catalysts thereby increasing the destruction of ozone and that humanity could augment those catalysts and affect the ozone layer. Initial concern focused on nitrogen oxides from the exhausts of supersonic transport, but attention switched in the mid-1970s to chlorofluorocarbons (CFCs). Although the theory of anthropogenic ozone d

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21

Egorova, Tatiana, Jan Sedlacek, Timofei Sukhodolov, Arseniy Karagodin-Doyennel, Franziska Zilker, and Eugene Rozanov. "Montreal Protocol's impact on the ozone layer and climate." Atmospheric Chemistry and Physics 23, no. 9 (2023): 5135–47. http://dx.doi.org/10.5194/acp-23-5135-2023.

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Abstract. It is now recognized and confirmed that the ozone layer shields the biosphere from dangerous solar UV radiation and is also important for the global atmosphere and climate. The observed massive ozone depletion forced the introduction of limitations on the production of halogen-containing ozone-depleting substances (hODSs) by the Montreal Protocol and its amendments and adjustments (MPA). Previous research has demonstrated the success of the Montreal Protocol and increased public awareness of its necessity. In this study, we evaluate the benefits of the Montreal Protocol on climate an

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22

IBUSUKI, Takashi. "Depletion of Stratospheric Ozone Layer by Chlorofluorocarbons." Journal of Japan Oil Chemists' Society 41, no. 9 (1992): 867–71. http://dx.doi.org/10.5650/jos1956.41.867.

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23

Mickle, R. E., J. W. Bottenheim, W. R. Leaitch, and W. Evans. "Boundary layer ozone depletion during AGASP-II." Atmospheric Environment (1967) 23, no. 11 (1989): 2443–49. http://dx.doi.org/10.1016/0004-6981(89)90255-2.

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24

Cao, L., H. Sihler, U. Platt, and E. Gutheil. "Numerical analysis of the chemical kinetic mechanisms of ozone depletion and halogen release in the polar troposphere." Atmospheric Chemistry and Physics 14, no. 7 (2014): 3771–87. http://dx.doi.org/10.5194/acp-14-3771-2014.

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Abstract. The role of halogen species (e.g., Br, Cl) in the troposphere of polar regions has been investigated since the discovery of their importance for boundary layer ozone destruction in the polar spring about 25 years ago. Halogen species take part in an auto-catalytic chemical reaction cycle, which releases Br2 and BrCl from the sea salt aerosols, fresh sea ice or snowpack, leading to ozone depletion. In this study, three different chemical reaction schemes are investigated: a bromine-only reaction scheme, which then is subsequently extended to include nitrogen-containing compounds and c

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25

Farid, Mangliyev Nilufar Mamatkulova Zulayho Abdujabborova. "SOLUTIONS TO THE PROBLEM OF OZONE LAYER DEPLETION." DEVELOPMENT OF PEDAGOGICAL TECHNOLOGIES IN MODERN SCIENCES 2, no. 1 (2023): 83–89. https://doi.org/10.5281/zenodo.7556311.

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The problems of environmental pollution are especially relevant today for all mankind in the modern world. One of these serious issues is the depletion of the ozone layer, the solution of which is possible only with the unification of the states of the entire world community. In order to implement the global policy aimed at protecting the ozone layer, each member state undertakes to create a national policy.

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26

Newman, P. A., L. D. Oman, A. R. Douglass, et al. "What would have happened to the ozone layer if chlorofluorocarbons (CFCs) had not been regulated?" Atmospheric Chemistry and Physics Discussions 8, no. 6 (2008): 20565–606. http://dx.doi.org/10.5194/acpd-8-20565-2008.

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Abstract. Ozone depletion by chlorofluorocarbons (CFCs) was first proposed by Molina and Rowland in their 1974 Nature paper. Since that time, the scientific connection between ozone losses and CFCs and other ozone depleting substances (ODSs) has been firmly established with laboratory measurements, atmospheric observations, and modeling research. This science research led to the implementation of international agreements that largely stopped the production of ODSs. In this study we use a fully-coupled radiation-chemical-dynamical model to simulate a future world where ODSs were never regulated

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Newman, P. A., L. D. Oman, A. R. Douglass, et al. "What would have happened to the ozone layer if chlorofluorocarbons (CFCs) had not been regulated?" Atmospheric Chemistry and Physics 9, no. 6 (2009): 2113–28. http://dx.doi.org/10.5194/acp-9-2113-2009.

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Abstract. Ozone depletion by chlorofluorocarbons (CFCs) was first proposed by Molina and Rowland in their 1974 Nature paper. Since that time, the scientific connection between ozone losses and CFCs and other ozone depleting substances (ODSs) has been firmly established with laboratory measurements, atmospheric observations, and modeling studies. This science research led to the implementation of international agreements that largely stopped the production of ODSs. In this study we use a fully-coupled radiation-chemical-dynamical model to simulate a future world where ODSs were never regulated

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28

Wu, Yutian, Lorenzo M. Polvani, and Richard Seager. "The Importance of the Montreal Protocol in Protecting Earth’s Hydroclimate." Journal of Climate 26, no. 12 (2013): 4049–68. http://dx.doi.org/10.1175/jcli-d-12-00675.1.

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Abstract The 1987 Montreal Protocol regulating emissions of chlorofluorocarbons (CFCs) and other ozone-depleting substances (ODSs) was motivated primarily by the harm to human health and ecosystems arising from increased exposure to ultraviolet-B (UV-B) radiation associated with depletion of the ozone layer. It is now known that the Montreal Protocol has helped reduce radiative forcing of the climate system since CFCs are greenhouse gases (GHGs), and that ozone depletion (which is now on the verge of reversing) has been the dominant driver of atmospheric circulation changes in the Southern Hem

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K. Yousaf Zai, M. A., J. Quamar, J. Iqbal, M. R. K. Ansari, and M. A. Hussain. "PREDICTING THE VARIABILITY IN THE WAVELENGTH STRUCTURES OF THE INCOMING RADIATION DUE TO OZONE LAYER DEPLETION AT ARABIAN SEA." Nucleus 47, no. 3 (2010): 218–26. https://doi.org/10.71330/thenucleus.2010.886.

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In this communication we have investigated the variability in the wavelength structures of the radiation due to ozone layer depletion (OLD) using empirical modeling approach. A model has been developed for evaluating sea surface temperature using stratospheric ozone filter. This filter has been formulated taking into account of the ozone layer depletion (OLD) strategy for Pakistan atmospheric regions. For making predictions of various wavelength, stochastic analysis is implemented here for observing future prospects of the coming radiation. These predictions are useful for public, private and

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Pandav, Prashant P., S. B. Lokhande, and Shivprakash B. Barve. "Ecofriendly Refrigerants." Applied Mechanics and Materials 612 (August 2014): 181–85. http://dx.doi.org/10.4028/www.scientific.net/amm.612.181.

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The depletion of ozone layer and green house effects are worldwide problem. Refrigerants are part and source of depletion of ozone layer. As we using these Ecofriendly refrigerants then harm to ozone reduces. These are best option for recently running refrigerants. Eco-friendly refrigerant like hydroflurocarbons and hydrocarbons are replacing chlorofluorocarbons application.CFC is the most important member of CFC refrigerants. This paper, gives alternate to refrigerants that are causes ill effect on environment. Their performance with respect to recently used refrigerant compared. By this comp

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31

Cao, L., H. Sihler, U. Platt, and E. Gutheil. "Numerical analysis of the chemical kinetic mechanisms of ozone depletion and halogen release in the polar troposphere." Atmospheric Chemistry and Physics Discussions 13, no. 9 (2013): 24171–222. http://dx.doi.org/10.5194/acpd-13-24171-2013.

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Abstract. In recent years, the role of halogen species (e.g. Br, Cl) in the troposphere of polar regions is investigated after the discovery of their importance for boundary layer ozone destruction in the polar spring. Halogen species take part in an auto-catalytic chemical cycle including key self reactions. In this study, several chemical reaction schemes are investigated, and the importance of specific reactions and their rate constants is identified by a sensitivity analysis. A category of heterogeneous reactions related to HOBr activate halogen ions from sea salt aerosols, fresh sea ice o

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32

Kumar, Gulshan, and Mohinder Kumar. "Depletion of ozone layer: Review in reference to galactic radiations." Environment Conservation Journal 26, no. 1 (2025): 249–56. https://doi.org/10.36953/ecj.29342926.

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This review work represented the effect of various galactic activities, including solar cycles and some key elements of environmental pollution, in the variation of the total ozone column of the earth’s atmosphere. The various old and new works by various researchers worldwide, including the data spared by various international agencies, are reviewed; the research design is based on the fact that measurable dissociation rates have been reported by various researchers due to the interaction of highly energetic charged contents of the galactic radiations with ozone with the fact that a wavelengt

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33

Evans, W. F. J. "A hole in the Arctic polar ozone layer during March 1986." Canadian Journal of Physics 67, no. 2-3 (1989): 161–65. http://dx.doi.org/10.1139/p89-027.

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A craterlike structure or "hole" in the Arctic polar ozone layer during March 1986 has been observed in the total ozone images from the total ozone mapping spectrometer instrument on the NIMBUS 7 satellite. Observations from ozonesondes in the vicinity of this crater show a depleted region in the altitude profile from 10 to 16 km. This altitude region of depleted ozone is similar to the depleted layer observed from 12 to 18 km within the Antarctic ozone hole. A comparison has been made between the ozone altitude profile outside the crater at Resolute, N.W.T., Canada (75°N), and the ozone altit

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Racheva, Nadezhda L., and Maxim S. Belenko. "Analysis of ozone-depleting substances reporting in Russian regions for 2018-2024." Anthropogenic Transformation of Nature 10, no. 1 (2024): 64–70. https://doi.org/10.17072/2410-8553-2024-1-64-70.

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Depletion of the ozone layer of the atmosphere is one of the global environmental problems, to address which the Montreal Protocol on Substances that Deplete the Ozone Layer was adopted in 1987. The Montreal Protocol calls for a phase-out of the use of substances that deplete the ozone layer. To implement the requirements of the Montreal Protocol, state registration of the circulation of ozone-depleting substances has been organized on the territory of the Russian Federation. The procedure for state accounting of the circulation of ozone-depleting substances and the forms of annual reporting a

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35

Chamberlin, Merry. "Depletion of the ozone layer: a medical emergency?" Revista de la Facultad de Ciencias Médicas de Córdoba 48, no. 1-2 (1990): 45–50. http://dx.doi.org/10.31053/1853.0605.v48.n1-2.35101.

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This work is presenteci with the intention of both inforrning and provoking action. It has been researehed as thoroughly as limited time, resources, and availability of information allow. Ozone occurs nattirally and is distributed throughout the stratosphere froni about 10 - St) km aboye the Earth's surface. Its concntration is low and it would compless to a layer of a mere 15 mm at ground ICVCi. It is being continuaPy created and destroyed in compiex chemical reactions which are not really relevant tú the foliowing discus-sion. There are natural cyclical variations in ozone leveis but overail

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Zhang, Erjia. "The recovery of the Antarctic ozone layer and suggestions for addressing the global warming." Applied and Computational Engineering 58, no. 1 (2024): 112–18. http://dx.doi.org/10.54254/2755-2721/58/20240703.

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The ozone layer is a critical shield for humanity, located in the Earths atmosphere with a high ozone concentration. Its primary role is to absorb and filter out the majority of harmful ultraviolet rays emitted by the sun, which pose a threat to all living beings. However, the ozone layer suffered from very severe depletion. To counteract this, the Montreal Convention was established in 1987, mandating a reduction in chlorofluorocarbon emissions by humans. Because of the environmental problem of ozone layer destruction for a long time, based on some existing research background at this stage,

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Crang, Richard F. E., Audrey E. Vassilyev, and Yevgeney A. Miroslavov. "Soybean chloroplast responses to enhanced ultraviolet irradiation." Proceedings, annual meeting, Electron Microscopy Society of America 51 (August 1, 1993): 348–49. http://dx.doi.org/10.1017/s0424820100147582.

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Environmental concerns over the degradation of the earth’s stratospheric ozone layer have been expressed for the past decade in recognition that with ozone depletion, enhanced ultraviolet irradiation will be received at the earth's surface. Such increase in ultraviolet irradiation can be hypothetically determined by making appropriate computer calculations based on proposed cloud cover, season, latitude, elevation, and percent of stratospheric ozone depletion. We have proposed a 40% reduction in the ozone layer corresponding to a daily increase of 19.1 kJ in the limits of ultraviolet-B (UV-B)

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Piot, M., and R. von Glasow. "The chemistry influencing ODEs in the Polar Boundary Layer in spring: a model study." Atmospheric Chemistry and Physics Discussions 8, no. 2 (2008): 7391–453. http://dx.doi.org/10.5194/acpd-8-7391-2008.

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Abstract. Near-total depletions of ozone have been observed in the Arctic spring since the mid 1980s. The autocatalytic cycles involving reactive halogens are now recognized to be of main importance for Ozone Depletion Events (ODEs) in the Polar Boundary Layer (PBL). We present sensitivity studies using the model MISTRA in the box-model mode on the influence of chemical species on these ozone depletion processes. In order to test the sensitivity of the chemistry under polar conditions, we compared base runs undergoing fluxes of either Br2, BrCl, or Cl2 to induce ozone depletions, with similar

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Al-Sharoot, Mustafa Ali. "Freon’s Destroy the Stratosphere." IOP Conference Series: Earth and Environmental Science 1223, no. 1 (2023): 012001. http://dx.doi.org/10.1088/1755-1315/1223/1/012001.

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Abstract First of all, we have to know that the ozone layer exists in different levels of the Earth’s atmosphere. After follow-up, it was found that the equivalent of 80% of the ozone is found at altitudes between 16 and 35 kilometres above the earth’s surface. At this level it provides a good sunscreen shield, and we believe that is a good ozone. It is also present at ground level in low concentrations (tropospheric ozone). It is believed that the ozone at this stage is the polluting part and that the smog over the cities is the main part of it and it can be called (bad ozone). Through this t

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Chung, Jin Won, and Hee Chul An. "In-Depth Study for Environmental Impact Assessment of EPS(Electric Power Steering) using Life Cycle Assessment (LCA)." Korean Journal of Life Cycle Assessment 24, no. 1 (2023): 5–9. http://dx.doi.org/10.62765/kjlca.2023.24.1.5.

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This study was quantified using LCA about EPS limited system boundary from raw material extraction until it leaves the factory and assessed six environmental impact categories; Abiotic depletion; Acidification; Eutrophication; Global warming; Ozone layer depletion; and Photochemical oxidants creation. The contributions of raw material extraction to the six environmental impact categories were determined to be as follows:Abiotic depletion 85.2%, Acidification 93.8%, Eutrophication 89.7%, Global warming 86.3%, Ozone layer depletion 99.5%, and Photochemical oxidants creation 93.1%. Sensitivity an

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Ogunmola, Oluranti O., Boluwatife E. Odedoyin, and Mumini A. Amusat. "Knowledge and Attitude of the Staff of Emmanuel Alayande College of Education, Oyo Campus on the use of Ozone Layer Depleting Substances." International Journal of Trend in Scientific Research and Development 3, no. 6 (2019): 542–48. https://doi.org/10.5281/zenodo.3588686.

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There are many situations where human activities have significant effect on the environment, ozone layer damage is one of them. This paper aims to investigate into the knowledge and attitude of the staff of Emmanuel Alayande College of Education, Oyo State, Nigeria, on the use of ozone layer depleting substances. Data in the study was collected via a questionnaire divided into two parts the first part is designed to determine the knowledge of the respondents about the ozone layer as well as elucidate common misconceptions several people have about the ozone layer and related concepts such as g

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Anderson, Alun. "Depletion of ozone layer drives competitors to cooperate." Nature 331, no. 6153 (1988): 201. http://dx.doi.org/10.1038/331201a0.

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Strong, C., J. D. Fuentes, R. E. Davis, and J. W. Bottenheim. "Thermodynamic attributes of Arctic boundary layer ozone depletion." Atmospheric Environment 36, no. 15-16 (2002): 2641–52. http://dx.doi.org/10.1016/s1352-2310(02)00114-0.

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Ibrahim, Ruaa M., Zainab M. Abbood, Osama T. Al-Taai, and Mohamad M. Ahmed. "The Influence of Ozone Depletion Potential Weighted Anthropogenic Emissions of Nitrous Oxide." Asian Journal of Water, Environment and Pollution 21, no. 2 (2024): 65–73. http://dx.doi.org/10.3233/ajw240023.

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The effects of anthropogenic emissions of nitrous oxide (N2O), carbon dioxide (CO2), methane (CH4), and halocarbons on stratospheric ozone (O3) over the twentieth and twenty-first centuries are divided using a chemical model of the stratosphere. As halocarbon levels revert to pre-industrial levels, N2O and CO2 will likely play the primary roles in the evolution of ozone in the future. It is unable to distinguish clearly between these gases’ effects on ozone due to nonlinear interactions between them. The work was conducted using the monthly and annual data of the gases in the stratospheric lay

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Siegmund, Peter, Henk Eskes, and Peter van Velthoven. "Antarctic Ozone Transport and Depletion in Austral Spring 2002." Journal of the Atmospheric Sciences 62, no. 3 (2005): 838–47. http://dx.doi.org/10.1175/jas-3320.1.

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Abstract The ozone budget in the Antarctic region during the stratospheric warming in 2002 is studied, using ozone analyses from the Royal Netherlands Meteorological Institute (KNMI) ozone-transport and assimilation model called TM3DAM. The results show a strong poleward ozone mass flux during this event south of 45°S between about 20 and 40 hPa, which is about 5 times as large as the ozone flux in 2001 and 2000, and is dominated by eddy transport. Above 10 hPa, there exists a partially compensating equatorward ozone flux, which is dominated by the mean meridional circulation. During this even

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Bhat, Nisar, Vijay Rawat, A. Malik, and Renu Singh. "Climate change and its impact on vegetation." Indian Journal of Forestry 32, no. 4 (2009): 575–80. http://dx.doi.org/10.54207/bsmps1000-2009-361ht2.

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Climate change will affect on vegetation directly because of increased atmospheric CO2 concentration and greenhouse gases and indirectly through stratospheric ozone layer depletion. Increased CO2 level could increase photosynthesis and water use efficiency. However, high temperature and greenhouse gases will modify rainfall, evaporation runoff and soil moisture storage and will adversely affect growth and productivity. The increased amount of ultraviolet (UV) radiation due to depletion of stratospheric ozone layer will exert its deleterious effect on growth and productivity by destruction of c

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Simpson, W. R., R. von Glasow, K. Riedel, et al. "Halogens and their role in polar boundary-layer ozone depletion." Atmospheric Chemistry and Physics Discussions 7, no. 2 (2007): 4285–403. http://dx.doi.org/10.5194/acpd-7-4285-2007.

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Abstract. During springtime in the polar regions, unique photochemistry converts inert halide salts ions (e.g. Br−) into reactive halogen species (e.g. Br atoms and BrO) that deplete ozone in the boundary layer to near zero levels. Since their discovery in the late 1980s, research on ozone depletion events (ODEs) has made great advances; however many key processes remain poorly understood. In this article we review the history, chemistry, dependence on environmental conditions, and impacts of ODEs. This research has shown the central role of bromine photochemistry, but how salts are transporte

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Simpson, W. R., R. von Glasow, K. Riedel, et al. "Halogens and their role in polar boundary-layer ozone depletion." Atmospheric Chemistry and Physics 7, no. 16 (2007): 4375–418. http://dx.doi.org/10.5194/acp-7-4375-2007.

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Abstract. During springtime in the polar regions, unique photochemistry converts inert halide salt ions (e.g. Br−) into reactive halogen species (e.g. Br atoms and BrO) that deplete ozone in the boundary layer to near zero levels. Since their discovery in the late 1980s, research on ozone depletion events (ODEs) has made great advances; however many key processes remain poorly understood. In this article we review the history, chemistry, dependence on environmental conditions, and impacts of ODEs. This research has shown the central role of bromine photochemistry, but how salts are transported

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Asira, Enim Enim. "Characterization of Chemical Processes Involved in Ozone Depletion." International Letters of Chemistry, Physics and Astronomy 21 (November 2013): 53–57. http://dx.doi.org/10.18052/www.scipress.com/ilcpa.21.53.

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The earth’s carrying capacity to support human life has been overstretched by increasing need to meet food requirements, consumption of resources; amount of waste generation and choice of technologies. These activities release into the atmosphere, chemical constituents of varied concentrations. When these chemicals enter into the atmosphere, they are subjected to various transformations that yield products or intermediates that tend to alter atmospheric chemical balance. In recent years, the global problem of ozone depletion has underscored the danger of overstepping earth’s ability to absorb

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Asira, Enim Enim. "Characterization of Chemical Processes Involved in Ozone Depletion." International Letters of Chemistry, Physics and Astronomy 21 (November 4, 2013): 53–57. http://dx.doi.org/10.56431/p-l8zq0u.

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The earth’s carrying capacity to support human life has been overstretched by increasing need to meet food requirements, consumption of resources; amount of waste generation and choice of technologies. These activities release into the atmosphere, chemical constituents of varied concentrations. When these chemicals enter into the atmosphere, they are subjected to various transformations that yield products or intermediates that tend to alter atmospheric chemical balance. In recent years, the global problem of ozone depletion has underscored the danger of overstepping earth’s ability to absorb

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