PPT-Global Sources of North American Ozone

Barron H Henderson US EPAOAQPSAQADAQMG EPA Collaborators Pat Dolwick Carey Jang Alison Eyth Jeff Vukovich Rohit Mathur Christian Hogrefe Norm Possiel George Pouliot Brian Timin K Wyat Appel. 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.. and verification of the connections between ozone depleting substances and the ozone hole. A.R. (Ravi) Ravishankara. NOAA, ESRL/Chemical Sciences Division. Boulder CO, USA. Co-Chair, SAP. Some . personal . Min Huang. (. min.huang@jpl.nasa.gov. ), . K. W. Bowman (JPL), G. R. Carmichael (U Iowa), . M. Lee (JPL), D. K. . Henze. (CU-Boulder), T. Chai (NOAA/ARL) . A. J. . Weinheimer. (NCAR), R. C. Cohen (UC Berkeley). Air Quality Division . Mark . Estes. a. , Shaena . Berlin. b. , Andrew . Langford. c. , Melody . Dong. d. , Jim . Smith. a. , Fernando . Mercado. a. , David . Parrish. c. Presented to AQAST Meeting, Rice University. The wonder allotrope of Oxygen. Ozone Application Systems Investigation Society presents:. The wonder allotrope. Basics of Ozone. Ozone is an unstable allotrope of oxygen with three atoms. Available in gaseous form in the atmosphere. Tuesday, January 5. th. , 2015. Good up high, bad nearby. Troposphere:. Thinnest layer of atmosphere, 80% mass, almost all H. 2. O. 0.04 ppm O. 3. Stratosphere: 10 ppm O. 3. Characteristics of O. 3. Highly poisonous, strong odor, irritant, colorless gas. Foreman Room 102. 1. Global Warming and Ozone Depletion take place in two different layers of the atmosphere: . Global Warming. Ozone . Depletion. Global Warming vs. Ozone Depletion: Causes. Global Warming: cars, factories, rice farming, landfills: . Updates from . PSU/GSFC/UMD. : Comparisons with . Observations. Anne Thompson, NASA-GSFC. 5 Jan 2015. Nikolay . Balashov (PhD Candidate) . & Greg Garner (Prof G. Young). All at PSU. Background & Principles of PSU/GSFC/UMD AQ Forecasting with Value of Information. A . community-wide effort to quantify tropospheric ozone in a rapidly changing . world. Owen . Cooper. CIRES, . U. . of Colorado/NOAA Earth System Research . Lab., . Boulder. owen.r.cooper@noaa.gov. TEMPO Science Team Meeting, Harvard-Smithsonian Center for Astrophysics. A layer of the atmosphere that is closest to the Earth’s surface. Almost all weather occurs here. Temperature decreases as altitude increases. STRATOSPHERE. Layer above the troposphere. Extends from 18-50 km. 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. CMAS Conference,. October 16, 2012. Other contributors to AQMEII Phase 1:. K. . Alapaty. , W. . Appel. , J. v. . Aardenne. , A. . Baklanov. , M. . Beekmann. , B. . Bessagnet. , R. . Bianconi. , J. Brandt, D. Brunner, J. Christensen, C. . The . ozone layer or ozone shield . is a region of Earth's stratosphere that absorbs most of the Sun's UV radiation. . It contains high concentration of ozone (O3).. It is a pale blue gas at room temperature.. 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).