PPT-Antarctic Ozone Depletion

EVSC 1300 Spring 2016 Average vertical temperature structure of atmosphere Average vertical temperature structure of atmosphere NO x VOCs sunlight Groundlevel ozone Figure189 p528. Stratospheric ozone: the natural cycle Produced in stratosphere by dissociation of oxygen atoms exposed to short-wave radiation Reaction accounts for most of adsorption of ultraviolet sunlight () as w Ozone Depletion. Quick recap…. ". The ozone layer. " refers to the ozone within stratosphere. over 90% of the earth's ozone resides. Ozone is an irritating, corrosive, colourless gas with a smell. O. Layer. Depletion. “. Life’s Support System Depletion. ”. Outline of Presentation. What is the Ozone layer?. How is ozone created and destroyed?. What is the Ozone hole?. What are the causes of Ozone Depletion?. The . ozone layer. is a layer in . Earth's atmosphere. which contains relatively high concentrations of . ozone. (O. 3. ). . This layer absorbs 97–99% of the . Sun. 's high frequency . ultraviolet light. Natalya Kramarova, Paul Newman, Eric Nash, PK Bhartia, Richard . McPeters. , Didier Rault, Colin Seftor, Gordon Labow. OMPS meeting, June 6, 2013. Objectives. Can OMPS . reasonably . represent the Antarctic ozone hole?. Venn Diagram. Compare/Contrast. GLOBAL WARMING. OZONE DEPLETION. Both harm the environment. Both caused by chemicals released by human activities. Caused by high . . levels of . CO. AND CURRENT STATUS. GLY 4241 - Lecture 8 . Fall, 2016. Mount Pinatubo Eruption, 1991. 2. 3. 1997 Montserrat Eruption. 4. Sulfur Dioxide Conversion. 5. Aerosol Optical Depth Analyses. BRW is Pt. Barrow, Alaska. Territorial Disputes in Antarctica an be traced to the first formal claim made. b. y Great Britain in 1908. It began when W. S. Bruce let a Scottish National Antarctic Expedition to . Laurie Island in the South Orkneys in 1902-1904. . Susan Solomon. Richards Professor of Atmospheric Chemistry and Climate Science, MIT. Based on work with many including Diane Ivy, Justin . Bandoro. - (MIT). Doug . Kinnison. , Mike Mills, Ryan Neely, Rolando Garcia - (NCAR), . Ozone produced from the interaction of hydrocarbons and oxides in the presence of sunlight. At ground level, ozone is a pollutant; in the upper atmosphere it protects earth from excess radiation from sun. Ja. -Ho Koo. EAS 6792 Term project. Introduction. Tropospheric. ozone depletion event (ODE) usually happens in spring,. . polar. . region.. ODE looks strongly related to the amount of atmospheric bromine chemistry based on the heterogeneous reaction (Barrie et al., 1988). First, what is the ozone problem? . About 2 billion years ago Life on Earth was entirely single-celled organisms living in the oceans when one type of bacteria (. Cyano. ) began emitting Oxygen to the atmosphere. . Quick recap…. ". The ozone layer. " refers to the ozone within stratosphere. over 90% of the earth's ozone resides. Ozone is an irritating, corrosive, colourless gas with a smell. O. 3 . formed by . (Scott Borg). Antarctic Infrastructure & Logistics. (Brian Stone). Polar Environment. , . Health and Safety. (Polly Penhale). George Blaisdell. Operations Manager. 3, 4 November 2011. Antarctic Science.