PPT-East Asian Emissions of Ozone Depleting Substances Observed

Lauren Gooch William T Sturges Johannes Laube and David Oram UEA UK Jia Lin Wang Cheng Feng Ou Yang and NengHuei Lin National Central University Taiwan. 1 Background 12 Guideline Purpose 13 Definitions 2 Roles and Responsibilities 21 Department of Environment and Natural Resources Environmental Protection Division 22 Other Regulatory Agencies 23 Owners 24 Service Technicians 25 Vendors of ODSs and Ha Multilateral Environmental Agreements (MEA). 16. th. session of the Working Group on Environmental Monitoring and Assessment. Istanbul, Turkey, 16-17 April 2015. Lukasz . Wyrowski. , Manager, UNECE . DEPLETION. What is Ozone?. Two different layers in the atmosphere:. . Troposphere. Stratosphere. . What is ozone layer?. Ozone layer is a thin, fragile shield that contains relatively high concentrations of ozone.. Climate Action . Reserve Workshop. September 2011. Global Warming Potential of ODS . [GWP]. CO. 2. 1 . GWP. CFC-11. 4,750 . GWP. CFC-12. 10,900 . GWP. FOAM. BLOWING . AGENT. Refrigerators. Buildings. 3. variability over recent decades: . Stratospheric intrusions. , Asian pollution, and . C. limate Variability. Meiyun Lin. (Princeton University/GFDL). HTAP/WRAP Workshop, 13-May-2015 . Major challenges for western US air quality management. 2. Ozone – Two Faces. Troposphere – Bad Ozone. Pollution . Photochemical smog. . Eye irritant. Stratosphere – Good Ozone. Blocks some UV radiation. Hole caused by depletion due. to ODC’s . Annual Meeting. Plenary Meeting. March 14. Dominion . Ballroom South. Sheraton . Centre Toronto Hotel in Toronto, . Canada. Plenary I: Business Meeting. Agenda. Welcome. & . Recognitions. New . 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). with . HDDM. Sensitivity . Analysis . Chris Emery, Tasko Olevski, Ralph Morris. CMAS: Fine Scale Modeling and Applications. October 25, 2016. Investigate ozone sensitivity to single source emissions. Zhang et. al.(2016), . Nature Geoscience. , Vol 9(875-879). Presented By : Dhurba Neupane . NRES 701C. March 27,2017.  . Outline. Terms: Troposphere, Ozone. Background . Methods . Results and Discussions. matter. Daniel Cohan and Beata Czader . Department of Civil and Environmental Engineering. Rice University. Background. EPA sets National Ambient . Air Quality . Standards (NAAQS) to protect health. States tasked with attainment. Guus . Velders. The Netherlands. (. RIVM. ). Guus. . Velders. 2. Focus on Ozone-Depleting Substances. Projections of gases controlled by the Montreal Protocol. CFCs, halons, HCFCs, carbon tetrachloride, methyl chloroform, CH. 16. th. session of the Working Group on Environmental Monitoring and Assessment. Istanbul, Turkey, 16-17 April 2015. Lukasz . Wyrowski. , Manager, UNECE . Programme. . on Environmental Monitoring and Assessment. N. 2. O . under the. Vienna Convention for the Protection of the Ozone Layer and/or . Montreal Protocol on Substances that Deplete the Ozone Layer. Peter M. Grabiel. Institute for Governance & Sustainable Development (IGSD).