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/Home/Sciences/Physical Science/Chemistry/Atmospheric Chemistry Ozone Chemistry Votes:0 Basic chemistry of ozone depletion Please understand that this is a greatly simplified "readers digest" version of the central reactions of interest in the story of Ozone depletion. For further information I recommend T.E.Graedel and P.J.Crutzen _Atmospheric Change: an Earth System Perspective_2nd ed._ Freeman, New York (1993) Starting on page 141. for a more in-depth treatment of ozone chemistry that is still very readable by the science-layman. Formation and destruction of ozone Sunlight is the major energy source for both making and destroying stratospheric ozone: When an Oxygen molecule absorbs a photon of light with a wavelength shorter than 200 nanometers (1 billionth of a meter) the energy splits the molecule into two Oxygen atoms. One of these atoms can react with another Oxygen mo Read More Go to Site Carbon Dioxide Information Analysis Center (CDIAC) - Frequently Asked Questions Votes:0 Carbon Dioxide Information Analysis Center Frequently Asked Global Change Questions Tip This page lists global change questions that have been received at CDIAC and the answers that were provided to a diverse audience. If you have a question relating to carbon dioxide and global change and cannot find the answer you need here, you may "Ask Us a Question" , and we will be glad to try and help you. Q. Should we grow trees to remove carbon in the atmosphere? A. It depends. View references of papers relating to forest management, biomass fuels, and CO 2 emissions to the atmosphere. [GM] See new document, Answers to ten frequently asked questions about bioenergy, carbon sinks and their role in global climate change , by Robert Matthews and Kimberly Robertson, prepared as part of IEA Bioenergy T Read More Go to Site Global Warming Votes:0 Global Warming Greenhouse Effect Shown above is an Infrared Map of the Earth. Red areas represent regions of high heat retention in the atmosphere. This is an equatorial band because that is where the atmosphere has the most water vapor. The earth has a natural greenhouse effect due to trace amounts of H 2 0 and CO 2 that naturally occur. The enhanced greenhouse effect refers to the augmentation of these natural gases by human activities. What's the evidence? World wide Coral Bleaching Warming of the oceans in specific areas ( here's some global data ) Rapid Retreat of tropical glaciers All the data on greenhouse gas concentrations! The energy balance in the atmosphere is shown here: The main components in this diagram are the following: Short wavelength (optical wavelengths) radiation fro Read More Go to Site Adult Amazon Trees Gain Mass, Puzzle Scientists Votes:0 NEWS HOME ANIMAL NEWS ANCIENT WORLD ENVIRONMENT NEWS CULTURES NEWS SCIENCE & SPACE NEWS WEIRD NEWS Adult Amazon Trees Gain Mass, Puzzle Scientists John Roach for National Geographic News December 13, 2001 Research has shown that mature forest trees in the Amazon have gained in size over the last 20 years, but scientists aren't sure what's causing it. Nor do they know what effect it might have on global warming, although tropical forests in the Amazon are an important component in the global climate and water cycle. An international team of researchers has formed a partnership to try to find out some of the answers. Email to a Friend RELATED "Greenhouse" Growing Greener on Patches of Earth, Study Finds Cloud Forests Fading in the Mist, Their Treasures Little Known Global Project Aims to Pla Read More Go to Site AIDA - Aerosols and Heterogeneous Chemistry in the Atmosphere Votes:0 Aerosols and Heterogeneous Chemistry in the Atmosphere AIDA decennial - June 2007 Welcome to the AIDA-Server of the Atmospheric Aerosol Research Department, Institute for Meteorology and Climate Research (IMK), Research Centre Karlsruhe. We are investigating both experimentally and theoretically physical and chemical aerosol processes that contribute to the conversion of reactive trace compounds, new particle formation, cloud microphysics, and aerosol-climate interactions. The head of the Atmospheric Aerosol Research Department, Thomas Leisner, is also professor at the Institute of Environmental Physics , University of Heidelberg. AIDA news AIDA people (addresses and personal links) AIDA research projects AIDA experimental facilities AIDA theory and modelling of aerosol processes AIDA camp Read More Go to Site Airsite - Atmospheric Chemistry on the Web Votes:0 Airsite - Atmospheric Chemistry on the Web Read More Go to Site Atmospheric Chemistry Glossary Votes:0 Atmospheric Chemistry Glossary 2007 Version This is the 2007 version of this glossary. The definitions in this glossary were initially generated by the students in a senior-level class studying air quality and atmospheric chemistry at Sam Houston State University during the spring of 1995 in a course entitled Environmental Science 440/Chemistry 442, AIR QUALITY. In the main, they wrote these definitions as part of a class requirement. The references found at the end of most entries are an effort to supply additional resources for each of the terms. No supposition of comprehensiveness or absolute correctness can be assumed in any way. Many of the glossary entries have hypertext links to other sites on the Internet. These external links were valid in the Spring semester of 2007. The 2007 ver Read More Go to Site Atmospheric Chemistry Program Votes:0 Security and Privacy Notice PLEASE NOTE: Much of the science that had been planned for the Atmospheric Chemistry Program (ACP) will, in the future, be conducted under the Department of Energy's Atmospheric Science Program http://www.asp.bnl.gov . Beginning in Fiscal Year 2005, research will focus on radiative forcing of climate change by atmospheric aerosols. Please refer to the ASP web site for more information. The Atmospheric Chemistry Program (ACP) is a Global Change Research program sponsored by the Environmental Sciences Division of the U.S. Department of Energy (DOE) The overall objective of the ACP is to provide DOE with advanced information on the atmospheric environment that is required for long-range energy planning. The research is carried out primarily at four DOE laboratories Read More Go to Site Atmospheric Chlorine Votes:0 The transition from CFCs to alternatives, including HCFCs, reduces atmospheric chlorine loading. Thus, the use of alternatives can reduce the risk of stratospheric ozone depletion. Significant progress has been made to phase out CFCs and reverse the trend of increasing chlorine in the atmosphere. HCFCs and HFCs are necessary to allow the rapid elimination of CFCs. A rapid phase out of production - and hence of consumption and release - of CFCs is necessary to reverse the trends of increasing concentrations of atmospheric chlorine and increasing ozone depletion. The international scientific and technical experts conducting assessments for the United Nations Environment Programme (UNEP) have stated that availability of HCFCs and HFCs is necessary to allow a rapid, global CFC phaseout. "It is Read More Go to Site Aviation and the Global Atmosphere Votes:0 Aviation and the Global Atmosphere Get Javascript Other reports in this collection Aviation and the Global Atmosphere Foreword Preface Summary for Policymakers: Aviation and the Global Atmosphere Chapters Chapter 1: Introduction Chapter 2: Impacts of Aircraft Emissions on Atmospheric Ozon Chapter 3: Aviation-Produced Aerosols and Cloudiness Chapter 4: Modeling the Chemical Composition of the Future Atmosphere Chapter 5: Solar Ultraviolet Irradiance at the Ground Chapter 6: Potential Climate Change from Aviation Chapter 7: Aircraft Technology and Its Relation to Emissions Chapter 8: Air Transport Operations and Relation to Emissions Chapter 9: Aircraft Emissions: Current Inventories and Future Scenarios Chapter 10: Regulatory and Market-Based Mitigation Measures Annexes A. Authors, Contribu Read More Go to Site Centre for Atmospheric Science Home Page Votes:0 Welcome to the Centre for Atmospheric Science , a joint initiative between the Departments of Chemistry, Applied Mathematics and Theoretical Physics (DAMTP) and Geography at the University of Cambridge. > Cambridge University > Chemistry Department > Applied Maths Dept. > Geography Department > ACMSU > Ozone Unit > IUPAC kinetic data > UKCA community model Information about the Centre What is the Centre for Atmospheric Science Staff, post-docs and students contact info Degree and post-doctoral information How to find us PhD applications Seminars / Meetings Publications Science and research Multimedia Ozone Hole Tour Atmospheric Chemistry Modelling Support Unit Tropospheric Chemistry Modelling Research Group Stratospheric Chemistry Modelling Research Group Halocarbon Read More Go to Site Chemistry of Atmospheric Pollutants Votes:0 The Chemistry of Atmospheric Pollutants A variety of air pollutants have known or suspected harmful effects on human health and the environment. In most areas of Europe, these pollutants are principally the products of combustion from space heating, power generation or from motor vehicle traffic. Pollutants from these sources may not only prove a problem in the immediate vicinity of these sources but can travel long distances, chemically reacting in the atmosphere to produce secondary pollutants such as acid rain or ozone. Evolutionary Trends in Pollution Problems In both developed and rapidly industrialising countries, the major historic air pollution problem has typically been high levels of smoke and SO 2 arising from the combustion of sulphur-containing fossil fuels such as coal for do Read More Go to Site CSD International Ozone-Layer Assessments Votes:0 U.S. Department of Commerce | National Oceanic & Atmospheric Administration | NOAA Research Search ESRL: FAQs | People | Publications Skip navigation Site navigation: About CSD Mission Research Contributions & Customers Partnerships Why? Products Field Campaigns Data Sets Publications Ozone Assessments Resources News Seminars People & Facilities Organization Chart EEO / Diversity Safety AQRS NOAA Climate Goal: Climate Forcing Program NOAA Weather & Water Goal: Air Quality Program Origins Aeronomy Laboratory ETL Optical Remote Sensing Terms of Reference Contact CSD Intranet | NOAA Webmail International Ozone-Layer Assessments An Ongoing International Collaboration: The WMO/UNEP Scientific Assessments of Ozone Depletion International Scientific Assessments of Ozone Depletion. An internationa Read More Go to Site CSU Department of Atmospheric Science Votes:0 Prospective Students Directories Contact Us Search Home Department Graduate Program Research People Resources Current Conditions Temperature: -7°C (19°F) Dewpoint: -12°C (11°F) Humidity: 72% Wind: 308° @ 12G15 kph (7G9 mph) Pressure: 841 mb (24.87 in) Hourly RUC Analysis Maps Area Precipitation Maps Weekly Weather Plots Tenure-Track Faculty Position Available The Department of Atmospheric Science at Colorado State University has celebrated over 45 years of excellence in graduate education and cutting edge research. Our department has been repeatedly designated as a Program of Research and Scholarly Excellence. What's New 01 Oct 07: Dave Thompson will receive the 2008 AMS Meisinger Award at the AMS Annual Meeting in New Orleans, 20-24 January 2008. [ more ] 25 Sep 07: The department is seek Read More Go to Site Department of Atmospheric and Oceanic Sciences Votes:0 Weather Forecast High: 69 Low: 50 Mostly sunny Current Temp: 52 Humidity: 86% Wind Speed: 7mph Read More Go to Site EFTel - Australian Internet Service Provider ISP, Broadband ADSL Votes:0 EFTel announces the roll out of VDSL2, the fastest broadband network currently available, to the Australian market. For further information, please click here . About EFTel. EFTel Ltd is one of Australia’s largest telecommunications suppliers. We provide telephone and Internet services to over 120,000 customers throughout Australia. In addition, our wholesale division DFT Wholesale Internet provides services to approximately a quarter of Australian ISPs. We have a proven commitment to providing first-class services in regional Australia as well as metropolitan areas. Can I get ADSL? © 2005 EFTel Limited ABN 47 073 238 178 | Investor relations | Terms & Conditions | Privacy | Sitemap | Online Safety // Provide alternate content for browsers that do not support scripting // or for thos Read More Go to Site EPA Environmental Kids Club - Air Votes:0 Air Breathing clean air helps us stay healthy. On this page, you can learn about things that cause air pollution and what you can do to keep the air clean. Air Quality Index What should you do when the Air Quality Index is orange? Let the chameleons K.C., Koko, and Kool, show you how EPA measures pollution in the air. Dusty the Asthma Goldfish and his Asthma Triggers Funbook (PDF) (8pp, 1.3MB) and Dusty La Carpa Dorada del Asma y sus Provocadores del Asma - Revista de MuÑequitos (PDF) (8pp, 1.4MB) A fun book that teaches you about asthma. (You may need plug-ins for this site.) Climate Change We can make a difference! Help reduce the amount of greenhouse gases we put into the atmosphere and make the world a better place. On the Trail of the Missing Ozone This comic book features a reporter Read More Go to Site ESRL Global Monitoring Division Votes:0 U.S. Department of Commerce | National Oceanic & Atmospheric Administration | NOAA Research Search ESRL: FAQs | People | Publications Skip navigation Site navigation: Global Monitoring Division About About GMD Organization chart Staff Staff by Group Contacts Employment Research Overview Climate Forcing Ozone Depletion Baseline Air Quality Aerosols Greenhouse Gases Ozone and Water Vapor Solar Radiation Trace Gases Outreach Visitor information Frequently Asked Questions Media Center News Photo Gallery Publications Media Center Highlights News Find an expert Search GMD Publications --> Intranet Topics: Research Climate Forcing Ozone Depletion Baseline Air Quality Data Products and Visualization Data Archive Research Groups Aerosols Radiation Carbon Cycle Gases Halocarbon/Trace Gases Ozone & W Read More Go to Site Global Tropospheric Experiment (GTE) Home Page Votes:0 Welcome To The Home Page For The National Aeronautics and Space Administration's Global Tropospheric Experiment (GTE) "A commitment by the United States Government to understand the human impact on the global atmosphere." Visit www-air.larc.nasa.gov website (for INTEX-NA information) A National Committment Rationale Implementation Stategy Instrument Development Biosphere Atmosphere Exchange Long Range Transport GTE Data Archive CD-ROMs Publications Field Missions Meteorological Analysis Data Analysis Tools DICE (Updated 6/30/03) Data Archive TRACE-P (Updated 01/13/04) Mission Photos Calendar Chemical Data Plots GTE Related Links Recent Accomplishments and Future Plans Comments PRIVACY STATEMENT This page has been visited times since July 1998. Read More Go to Site Global Warming, Air Quality, Climate Change, Ozone, Weather Votes:0 English Fran?ais Special Climate Change & Energy Promotion : 10 to 15% online discount off 30 books at Earthscan . From the Atmosphere, Climate & Environment Information Programme Acid Rain | Air Quality | Atmosphere | Climate | Climate Change Global Warming | Ozone Depletion | Sustainability | Weather See also the Encyclopedia of Sustainable Development Best viewed with Internet Explorer at 1024 x 768 resolution. aric ? 2000. Read More Go to Site How NASA Studies Air Votes:0 Air | Natural Hazards | Land | Water | People | Hot Links | Games | FAQ | Teacher Guides | Site Index | Glossary How NASA Studies Air NASA missions collect data that tells us more about the composition, behavior, and quality of our air. Using that data, scientists develop or refine their theories about climate and its effects. They try to determine which long-term variations in climate result from natural causes and which are caused by people. They monitor the ozone layer to detect changes, and they try to determine the causes and their impact on the planet. To test their theories, they send up new missions. They share what they learn, so we can benefit from weather prediction and understand how we affect the air quality and how it affects us. Over the next 15 years, an international progr Read More Go to Site http://www.dist.gov.au/science/pmseic/greenhouse.pdf Votes:0 PDF Document Read More Go to Site http://www.ifi.co.uk/airburn.pdf Votes:0 PDF Document Read More Go to Site http://www.nsc.org/public/ehc/climate/chaptr5.pdf Votes:0 PDF Document Read More Go to Site http://www.wmo.ch/web/wcp/wcdmp/statemnt/wmo877.pdf Votes:0 PDF Document Read More Go to Site i-mass.com : international mass spectrometry web resource Votes:0 o i-mass guides : Index | Classic Articles | Definitions | History | Movies | Nobel Prizes | Protocols | Resources | Techniques | Troubleshooting | Tutorials Past Features Carbon Dating of Cave Art - Mass Spectrometry dates prehistoric cave paintings in southern France... On the Nose - MS shows mice prefer to mate with partners that express different MHC genes. .. Special Delivery - A mass spectrometer is delivered to the international space station... Molecular Hitchhiking on a Comet - Mass spectrometry shows molecules can survive an impact with Earth... Mass Spectrometry Unearths Mexico's Maize - Accelerator MS provides evidence of early agriculture in Mexico... Mass of the Universe -Scientists may finally have a reliable estimate of the mass of the universe... Airport Security - Ion mob Read More Go to Site Jet Propulsion Laboratory - ATMOS Home Page Votes:0 The ATMOS instrument and investigation is funded from the NASA Earth Science Enterprise . It is designed to study the composition of the atmosphere from space, carried on board the Space Shuttle. This home page has links to pages describing why studies of the Earth's upper atmosphere (stratosphere) are important and how instruments carried into space have provided information for these studies. Version 3 retrievals (now with absorption spectra and runlogs) Instrument Information On the Space Shuttle ATMOS Scientific Publications Version 2 FTP Data Access On the International Space Station Please direct questions about the scientific content of this page to the ATMOS Principal Investigator: Dr. Michael R. Gunson [e-mail] [bio] M.S. 183-601 Jet Propulsion Laboratory 4800 Oak Grove Dr. Pasade Read More Go to Site John Dalton Votes:0 John Dalton (1766-1844) Experimental Enquiry into the Proportion of the Several Gases or Elastic Fluids , Constituting the Atmosphere Memoirs of the Literary and Philosophical Society of Manchester 1 , 244-58 (1805) Read Nov. 12, 1802 In a former paper which I submitted to this Society, "On the constitution of mixed gases," I adopted such proportions of the simple elastic fluids to constitute the atmosphere as were then current, not intending to warrant the accuracy of them all, as stated in the said paper; my principal object in that essay was, to point out the manner in which mixed elastic fluids exist together, and to insist upon what I think a very important and fundamental position in the doctrine of such fluids:--namely, that the elastic or repulsive power of each particle is confine Read More Go to Site LAC - Laboratory of Atmospheric Chemistry Votes:0 --> If you see this message, then either your browser doesn't support Javascript or Javascript is disabled. You might want to enable it for this site? --> +A Laboratory of Atmospheric Chemistry Paul Scherrer Institut CH-5232 Villigen PSI Phone +41 56 310 21 11 Fax +41 56 310 45 25 (local) LAC Home Publications Research Groups Gasphase and Aerosol Chemistry Aerosol Physics Ecosystem Fluxes Projects Tools Smog Chamber Jungfraujoch Stable Isotopes Mobile Laboratory Models Aircraft Instruments Events Job Openings People Collaborations LAC Interna (Password required) ENE Home WWW lac.web Updated: 06.04.2005 The Laboratory of Atmospheric Chemistry (LAC), established 1 January 2000, is a laboratory of the General Energy Research Department (ENE) at the Paul Scherrer Institute. LAC's Mission Inves Read More Go to Site LLNL scientists to present global warming mitigation tool for ridding the atmosphere of excess carbon Votes:0 Public release date: 12-Dec-2001 [ | E-mail Article ] Contact: Anne Stark stark8@llnl.gov 925-422-9799 DOE/Lawrence Livermore National Laboratory LLNL scientists to present global warming mitigation tool for ridding the atmosphere of excess carbon SAN FRANCISCO, Calif.?Researchers from the Lawrence Livermore National Laboratory today will present evidence that a new method for capturing carbon dioxide from power plants and placing it in the ocean has less impact on marine life than atmospheric carbon dioxide release or other global warming mitigation methods, such as direct injection and ocean fertilization. LLNL earth scientists Greg Rau, Ken Caldeira and Kevin Knauss will showcase the research, called carbonate dissolution, today at the 2001 Fall Meeting of the American Geophysical Union Read More Go to Site Lower Atmosphere Has Patches Where Ozone Is Missing Votes:0 Home Search Lower Atmosphere Has Patches Where Ozone Is Missing Data gathered last spring have revealed long swaths of the Earth's lower atmosphere nearly empty of ozone over northern latitude seas, say scientists at the National Center for Atmospheric Research (NCAR). An instrument-laden C-130 research aircraft observed the ozone loss while flying at extremely low altitudes over Hudson Bay, Baffin Bay and parts of the Arctic Ocean. NCAR led the experiment, with participation by NASA and university researchers and funding from the National Science Foundation, NCAR's primary sponsor. Last spring's aircraft observations were the first to document ozone loss over large areas of the sub-Arctic, including Hudson Bay. The springtime absence of surface ozone has been observed since the mid-1980s Read More Go to Site NASA GISS: Research in Atmospheric Chemistry Votes:0 + NASA Portal + Goddard Space Flight Center + GSFC Earth Sciences Division Atmospheric Chemistry Atmospheric chemistry is the study of the chemical constituents of Earth's atmosphere, and the roles they play in influencing the atmosphere's temperature, radiation, and dynamics. Changes in the composition of the atmosphere can affect the habitability of the planet, for example, by altering long-term climate, depleting the ozone layer, or affecting air quality at the ground. Research in this field is therefore concerned with biogenic and anthropogenic emissions, trace gas distributions, and the chemical reactions of molecules and atoms in the atmosphere. Research in atmospheric chemistry at GISS includes near-term issues such as air quality and ozone depletion but is primarily focused on the Read More Go to Site NERC ACSOE Programme Home Page Votes:0 Atmospheric Chemistry Studies in the Oceanic Environment (ACSOE), which took place between 1995 and 2000, is a UK Natural Environment Research Council (NERC) Thematic Research Programme to investigate the chemistry of the lower atmosphere (0 - 12 km) over the oceans. The studies aimed to bring about a clearer understanding of natural processes in the remote marine atmosphere, and how these processes are affected by atmospheric pollution originating from the continents. This information is vital in understanding regional and global-scale changes in atmospheric chemistry and climate. ACSOE data is now avaliable to the public from the British Atmospheric Data Centre (BADC) web site. Programme Manager: Dr W.T. Sturges School of Environmental Sciences University of East Anglia Norwich NR4 7TJ U Read More Go to Site Newswise | Votes:0 Username: Password: forgotten login how to register ABOUT NEWSWISE Overview of Services Media Subscribers Source Institutions What's New Contact Us LIBRARIES Latest News SciNews MedNews LifeNews BizNews Video/Audio RSS Feeds Search CHANNELS Breaking News Features RESOURCES Expert Finder Tools Contact Directory Meetings Calendars Awards for Journalists Grants for Journalists SUPPORT Newswise Community How to Register © Newswise. All Rights Reserved. Source: University of Illinois at Urbana-Champaign Released: Tue 14-Dec-1999, 00:00 ET Printer-friendly Version Aerosol Measurement Techniques Compared Libraries Science News Keywords aerosols climate change NASA NOAA global warming Contact Information Available for logged-in reporters only Description Researchers from the University of Illinois Read More Go to Site NOAA Paleoclimatology Program - Perspective on Global Warming Votes:0 "The farther backward you can look, the farther forward you are likely to see." - Winston Churchill The last decade of the 20 th Century was the warmest of the entire gobal instrumental temperature record, starting in the mid-19 th century. All 10 years rank among the 15 warmest and include the 6 warmest years on record, which makes these high temperatures unusual for the past century. But what about in the context of past centuries or millennia? How unusual are modern temperatures compared to those of the past? It is only through the reconstruction of past climate that we can truly evaluate the magnitude of this warming. The Story Background on climate issues and the scientific study of climate variability The Data A comprehensive look at the instrumental and paleoclimatic data that tells Read More Go to Site NRDC: Global Warming Votes:0 Print this Page In this Section Main Page Global Warming Oil & Energy Air Oceans Water Wildlands Wildlife Health Environmental Justice U.S. Law & Policy Nuclear Weapons, Waste & Energy Smart Growth International Issues Green Enterprise Beat the Heat! Global warming is already affecting the world we know, endangering polar bears, shortening ski seasons and creating more intense storms. We know how to fix this problem and prevent a global environmental disaster. Get on our interactive map to share your concerns about a warmer planet, and find global warming solutions that you can put into action today. In Brief | In Depth Global Warming Basics Global Warming: In Brief What it is, how it's caused, and what we can do to stop it. Consequences of Global Warming Global Warming: In Brief A hotter Read More Go to Site nsf.gov - Division of Atmospheric Sciences (ATM) - US National Science Foundation (NSF) Votes:0 HOME FUNDING AWARDS DISCOVERIES NEWS PUBLICATIONS STATISTICS ABOUT FastLane NSF Web Site News Discoveries Funding Publications Awards GEO Home GEO Funding GEO Awards GEO Discoveries GEO News About GEO Atmospheric Sciences (ATM) ATM Home About ATM Funding Opportunities Awards News Events Discoveries Publications Career Opportunities Information on Competition for Mgt of NCAR See Additional ATM Resources View ATM Staff Search ATM Staff GEO Organizations Atmospheric Sciences (ATM) Earth Sciences (EAR) Ocean Sciences (OCE) Global Environment for Networking Innovations (GENI) Project Office --> Proposals and Awards Proposal and Award Policies and Procedures Guide Introduction Proposal Preparation and Submission Grant Proposal Guide Grants.gov Application Guide Award Administration Award Adminis Read More Go to Site Ozone Depletion FAQ Part I: Introduction to the Ozone Layer Votes:0 [ Usenet FAQs | Search | Web FAQs | Documents | RFC Index ] Ozone Depletion FAQ Part I: Introduction to the Ozone Layer There are reader questions on this topic! Help others by sharing your knowledge From: rparson@spot.colorado.edu (Robert Parson) Newsgroups: sci.environment Subject: Ozone Depletion FAQ Part I: Introduction to the Ozone Layer Date: 24 Dec 1997 20:49:01 GMT Message-ID: <67rsft$2ue@peabody.colorado.edu> Reply-To: rparson@spot.colorado.edu Summary: This is the first of four files dealing with stratospheric ozone depletion. It provides scientific background for the more detailed questions in the other three parts. Keywords: ozone layer cfc stratosphere depletion Archive-name: ozone-depletion/intro Last-modified: 20 Dec 1997 Version: 5.9 ----------------------------- Subj Read More Go to Site ozone-depletion Votes:0 Faqs by Archive-Name Directory: ozone-depletion Go up to : Root Directory This is a listing of directory ozone-depletion . You can go up to directory Root Directory , or select a faq (listed by subject) or sub-directory (listed in bold). Ozone Depletion FAQ Part I: Introduction to the Ozone Layer Ozone Depletion FAQ Part II: Stratospheric Chlorine and Bromine Ozone Depletion FAQ Part III: The Antarctic Ozone Hole Ozone Depletion FAQ Part IV: UV Radiation and its Effects Read More Go to Site Paul Wennberg / Caltech / Homepage Votes:0 PAUL O. WENNBERG R. Stanton Avery Professor of Atmospheric Chemistry and Environmental Engineering California Institute of Technology Geology & Planetary Sciences Environmental Science & Engineering B.A. 1985, Oberlin College Ph.D. 1994, Harvard University atmospheric chemistry photochemistry chemical kinetics spectroscopy Office: 110 N. Mudd Lab: 063/064 S. Mudd Fax: 626 585 1917 Phone: 626 395 2447 wennberg@gps.caltech.edu Research My research group applies traditional physical chemistry techniques (e.g. LIF, absorption spectroscopy, mass spectroscopy) to study the mechanisms of chemical transformation in the Earth's atmosphere. Through these studies, we wish to understand the oxidative chemistry of the atmosphere and how this chemistry is influenced by and in turn influences the biosphe Read More Go to Site PMEL Atmospheric Chemistry Votes:0 Field Programs | Data Servers | Publications | About Us U.S.Dept of Commerce | NOAA | OAR | PMEL also affiliated with: University of Washington | JISAO NOAA-PMEL 7600 Sand Point Way NE Seattle, WA 98115 Email Contact: james.e.johnson@noaa.gov Disclaimer Privacy Notice Read More Go to Site POLINAT-II Votes:0 POLINAT-II Read More Go to Site Prof Ian Colbeck, Department of Biological Sciences Votes:0 department people research prospective students online resources search Centre for Environment & Society Centre for Sports & Exercise Science Marine Sciences Medical and Health Research - ug degrees offered - course materials repository - how to apply - accommodation - campus information - fees - graduation/reunion photographs - office hours - prospective students - virtual tours Prof. Ian Colbeck Prof. Ian Colbeck Research interests: I lead the Aerosol Science Group which was established in 1985 to facilitate inter-disciplinary research and consultancy. It is recognised as one of the foremost centres of its kind in the UK. Research is funded through grants, contracts and studentships from Research Councils, European Union, industry and government departments. The research group currently Read More Go to Site Research Challenge Votes:0 Energy and Environment Research Unit Home contents Progress report The Research Challenge Our Aims and Objectives Staff Publications Renew On Line DREAM World Energy and the Environment: a Research Challenge Air pollution, acid rain, oil spills from tankers, accidents in coal mines, oil rig fires - these are just some of the environmental and social problems associated with the use of coal, oil, and gas by our industrial civilisation. Burning these "fossil fuels" also makes a major contribution to the rising level of carbon dioxide in the atmosphere. The increasing "greenhouse" effect of this and other gases will probably cause a significant rise in global temperatures over coming decades, leading to disruptive changes in the Earth's climate. Nuclear energy, although no Read More Go to Site Science News Online - Past Issues - 7/6/96 Votes:0 July 6, 1996 Ten Thousand Cloud Makers Is airplane exhaust altering Earth's climate? By Richard Monastersky When the small Saberliner jet carrying Bruce E. Anderson rolled almost completely upside down, the atmospheric scientist saw his dessert, rather than his life, pass before his eyes. Seconds earlier, the NASA researcher had been munching on some cookies when his plane entered the wake of a DC-8 jet just a few miles ahead. The backwash-a tight horizontal tornado whirling at more than 100 miles per hour-spun the light Saberliner 140 degrees and sent it into a dive, causing Anderson, his food, and everything else in the plane to go temporarily weightless. "It seemed like forever," says Anderson, an atmospheric scientist at NASA's Langley Research Center in Hampton, Va., "b Read More Go to Site Subject Top Page: Bicycle Awareness Program Votes:0 Skip to: Content | Footer | Accessibility | A–Z Index Search: Google Advanced | | Home Programs Overview Agricultural Activities Climate Change Coatings Community Health Consumer Products Diesel Activities Energy-Related Activities Enforcement Fuels Goods Movement, Ports & Rail Mobile Sources Particulate Matter Permitting Planning Portable Equipment Research Activities Smoke Management Toxics Training/Compliance Assist. Vapor Recovery Rulemaking Overview Listserv for Board Notices Send and/or View Public Comments Rulemaking Items Heard in 2007 Rulemaking Items Heard in 2006 Rulemaking Items Heard in 2005 Rulemaking Items Heard in 2004 Rulemaking Items Heard in 2003 Rulemaking Items Heard in 2002 Rulemaking Items Heard in 2001 Rulemaking Items Heard in 2000 Rulemaking Items Heard in 19 Read More Go to Site Talking Points on the Environment Votes:0 Talking Points on the Environment #12 The Holes in Ozone Alarmists' Dire Predictions Chlorofluorocarbons (or CFCs), manufactured chemicals commonly used in refrigerators and air conditioners, will be banned by 1996. The reason? They are believed to be responsible for destroying ozone in our upper atmosphere, a substance that shields us from the sun's ultraviolet rays. But it now appears that the rush to ban CFCs was premature, based on faulty assumptions: Assumption: Destruction of ozone in the upper atmosphere will lead to greater human exposure to ultraviolet (UV) radiation and increase the number of cancer deaths. Reality: Malignant melanoma, a deadly form of cancer, is believed to be linked to UV-A -- or ordinary blue sunlight -- which is not blocked by the ozone layer. UV-B rays are b Read More Go to Site The Atmosphere Votes:0 Liftoff Home Earth's Atmosphere The Earth is surrounded by a blanket of air, which we call the atmosphere. It reaches over 560 kilometers (348 miles) from the surface of the Earth, so we are only able to see what occurs fairly close to the ground. Early attempts at studying the nature of the atmosphere used clues from the weather, the beautiful multi-colored sunsets and sunrises, and the twinkling of stars. With the use of sensitive instruments from space, we are able to get a better view of the functioning of our atmosphere. Life on Earth is supported by the atmosphere, solar energy, and our planet's magnetic fields. The atmosphere absorbs the energy from the Sun, recycles water and other chemicals, and works with the electrical and magnetic forces to provide a moderate climate. The atmos Read More Go to Site The Tech - Mario Molina Wins Nobel Prize in Chemistry Votes:0 SITE MENU: FRONT PAGE | NEWS | OPINION | ARTS | SPORTS | CAMPUS LIFE | PHOTOS | ADVERTISING INFO | ABOUT Last Published: November 20, 2007 Boston Weather: 46 °F | Fog Volume 115 >> Issue 48 : Friday, October 13, 1995 No PDF Available Mario Molina Wins Nobel Prize in Chemistry News Office By Shang-Lin Chuang News Editor Professor of Earth, Atmospheric, and Planetary Sciences Mario J. Molina will share this year's Nobel Prize in Chemistry for his work in atmospheric chemistry concerning the formation and decomposition of ozone. The Swedish Academy of Sciences in Stockholm, Sweden awarded the million-dollar prize on Wednesday morning to Molina, F. Sherwood Rowland of the University of California at Irvine, and Paul Crutzen, a scientist at the Max Planck Institute for Chemistry in Mainz, Germa Read More Go to Site University of Cincinnati News: Lichens Help Geologists Trace Recent Climate Changes Votes:0 .anylinkcss{ position:absolute; visibility: hidden; border:1px solid black; border-bottom-width: 0; font:normal 10px Verdana; line-height: 12px; z-index: 100; background-color: #a2daf0; width: 205px; font-color:white; } .anylinkcss a{ width: 100%; display: block; text-indent: 3px; border-bottom: 1px solid black; padding: 1px 0; text-decoration: none; font-weight: bold; text-indent: 5px; } .anylinkcss a:hover{ /*hover background color*/ background-color: black; color: white; } Blackboard OneStop Libraries BOL E-mail UCMail UCFileSpace UC Web People Maps A-Z Index UC Tools About UC Academics Academic Health Ctr Athletics & Rec Calendars & Events Give to UC Libraries News Research UC|21 Plan Read More Go to Site WDC-RSAT Votes:0 The atmosphere is changing and the potential consequences for the "System Earth" are manifold. Dynamics, chemistry, and radiation determine its state and because all are coupled with each other via various mechanisms it is often difficult to identify a direct link between causes and consequences. A better understanding of this system requires integral, continuous, precise, long term and global observations. In order to contribute to this effort of improved understanding, the World Data Center for Remote Sensing of the Atmosphere (WDC-RSAT) was established. Using the navigation list on the left side of this web site you will be able to find information on the data and services offered by WDC-RSAT. Under Data & Products you will find a listing of the satellite data and products derived from Read More Go to Site Why does atmospheric CO2 rise Votes:0 W h y d o e s a t m o s p h e r i c C O 2 r i s e ? Contents (Version 3.1, October 1996) 1. Why does atmospheric CO2 rise ? 2. Carbon fluxes and reservoirs 2.1 Natural carbon fluxes 2.2 Anthropogenic carbon fluxes 2.3 Carbon reservoirs 3. Fluctuations of the CO2 rise 4. References 5. Acknowledgements. Administrivia 1. Why does atmospheric CO2 rise ? Time and again, some people claim that human activities are only a minor source of atmospheric carbon dioxide (CO2) which is swamped by natural sources. Compared to natural sources, our contribution is small indeed. Yet, the seemingly small human-made or `anthropogenic' input is enough to disturb the delicate balance. "Anthropogenic CO2 is a biogeochemical perturbation of truly geologic proportions" [Sundquist] and has caused a steep rise of at Read More Go to Site York University | [Centre for Atmospheric Chemistry] Votes:0 The Centre for Atmospheric Chemistry Home About CAC What is Atmospheric Chemistry? Academic Programmes Graduate Studies Research Graduate Projects Faculty Members Grad Students and Staff Contact Info Seminars & Lectures O A S I S Toronto Weather Forecast Harold Schiff Lecture Journals, Web links, Forms, etc. Department of Chemistry Established in 1985 in response to growing public concern for the atmospheric environment. About CAC Introduction Academic Programmes Graduate Studies Graduate Projects Careers York University offers a unique undergraduate degree program that provides students with the necessary theoretical background and practical laboratory experience to enable them to make meaningful contributions to important environmental concerns upon their graduation. We have historically Read More Go to Site

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