PPT-Regional background ozone in Texas: Recent research and fu

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 . 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. 9. th. ORM. Geneva, 14 May 2014. SAP Co-chairs. Ayit. é. -Lô. . Ajavon. (Togo). Paul Newman (USA). John Pyle . (UK). A.R. . Ravishankara. (USA). Chapter 4 of the upcoming assessment deals with “Stratospheric ozone changes and climate”.. 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: . 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. a. ttaining . the new U.S. ozone NAAQS. . Panel on Meeting the New Ozone Standard . Energy Summit 2015. University of Wisconsin, Madison, WI. October 13, 2015. Arlene M. Fiore. Acknowledgments:. . 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). powerstation. NOx. from Craig. The Craig . powerstation. is the largest uncontrolled . NOx. source in the state (~18k tons/. yr. ). NPS is lobbying EPA for stricter controls (i.e., SCR on all three boilers). out during winter months to 7-week-old spinach plants planted in pots containing ordinary a greenhouse with additional illu- mination from halogen lamps (about 160 h light 14-h dark not mentioned othe 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.. Nitrous . Oxide (N. 2. O). : The Dominant Ozone-Depleting Substance Emitted in the 21. st. . Century, A. . R. . Ravishankara, John S. Daniel, and Robert W. . Portmann, . SCIENCE. , . Vol. . 326, Pages: 123-125, 2009 (OCT 2. found?. The . ozone layer . is the layer of the atmosphere at an altitude of 15 to 40 km (stratosphere) . What is Ozone?. Ozone. . is a molecule made of three oxygen atoms. What is the function of the ozone layer. Zoe Fleming U. Leicester, Ruth Doherty U. Edinburgh UK . Cooper, O. R., Xu, X., Feng, Z., Simpson, D., Schultz, M., Pinto, J., . Shallcross. , D., . Moolla. , R., . Lefer. , B., Solberg, S., von . Schneidemesser. 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).