PPT-OZONE LAYER.

Author : lois-ondreau | Published Date : 2016-04-27

The ozone layer is a layer in Earths atmosphere which contains relatively high concentrations of ozone O 3 This layer absorbs 9799 of the Sun s high frequency

Presentation Embed Code

Download Presentation

Download Presentation The PPT/PDF document "OZONE LAYER." is the property of its rightful owner. Permission is granted to download and print the materials on this website for personal, non-commercial use only, and to display it on your personal computer provided you do not modify the materials and that you retain all copyright notices contained in the materials. By downloading content from our website, you accept the terms of this agreement.

OZONE LAYER.: Transcript

The ozone layer is a layer in Earths atmosphere which contains relatively high concentrations of ozone O 3 This layer absorbs 9799 of the Sun s high frequency ultraviolet light. Products. Fredric . Swarts. Early 1890s. Belgian chemist. Pioneer in synthesis of fluorinated alkanes. Generated effective fluorine exchange agent. Thomas . Midgley. Jr.. 1930s. Synthesized . dichlorofluoromethane. 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 can be saved only by phasing out the use of ozone depleting substances.. ODS. Montreal . Protocol . London Ozone Agreements. Copenhagen Ozone Agreements. Beijing Ozone Agreement. Philippine Ozone Desk. in . the global chemical . transport model (GEOS-. Chem. ) . Cui . Ge. , Jun Wang. Department of Earth & Atmospheric Sciences. Joseph Francisco. Department of Chemistry. 4 May 2015. 7. th. GEOS-. at . Lhasa. and . Kunming. during Asian summer monsoon. Jianchun Bian . (IAP/CAS). In the poster, balloon sounding water vapor, ozone, and particle (SWOP) campaign during the ASM will be introduced, including sonde, location and timing. . 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. 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. EVSC 1300. Spring 2016. Average. vertical. temperature. structure. of atmosphere. Average. vertical. temperature. structure. of atmosphere. NO. x. + VOCs + sunlight .  . Ground-level ozone. Figure18-9 p528. 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: . 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. 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 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. GLY 4241 - Lecture 6 . Fall, . 2016. 2. Earth. Even in a high resolution image from space, the atmosphere is not visible. 3. Radiation. NASA graphic. 4. Chinese Smog. Haze over China. Increased desertification has added dust to China’s atmosphere. 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.

Download Document

Here is the link to download the presentation.
"OZONE LAYER."The content belongs to its owner. You may download and print it for personal use, without modification, and keep all copyright notices. By downloading, you agree to these terms.