1. Atmospheric Chemistry Air Quality Glossary Definitions in this glossary were initially generated by the students in a senior level class studying Category Science Earth Sciences atmospheric chemistry......atmospheric chemistry Glossary. 2002 Version The definitions in thisglossary were initially generated by the students in a senior http://www.shsu.edu/~chemistry/Glossary/glos.html

Atmospheric Chemistry Glossary 2002 Version 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 2002 and are updated and augmented each year. Click on a letter to find definitions that begin with that letter. A B C D ... Z Here is an example of an entry. There is a link to another site on the InterNet for the entry itself: Photochemical Smog - Natural and artificially emitted hydrocarbons in the presence of oxides of nitrogen undergo photochemical reactions which produce a cloud of toxic chemicals including ozone and a variety of caustic agents. This process is powered by sunlight and some of the products, such as ozone, reach a peak soon after photon flux from the sun reaches a maximum around midday. The thermal inversions often associated with some cities can lead to a dangerous buildup of smog in urban areas. Human deaths have been attributed to photochemical smog since the Industrial Revolution in cities such as London and New York. [Science; v.241; p.1473; 1988.] [Atmospheric Environment. Part A, General Topics; v.26A; p.625; 1992.]

2. NCAR/Atmospheric Chemistry Division The overall scientific goal of ACD is to identify and quantify the natural and anthropogenic processes that regulate the chemical composition of the troposphere and middle atmosphere and to assess future changes caused by human activities. http://www.acd.ucar.edu/

Satellite Data Instrumentation Atmospheric Chemistry Modeling ACD is a division of the National Center for Atmospheric Research 1850 Table Mesa DR, PO Box 3000 Boulder, CO 80305

3. Centre For Atmospheric Chemistry At the University of York, Ontario, CAC was formed to foster cooperative research in atmospheric chemistr Category Science Earth Sciences atmospheric chemistry......atmospheric chemistry at York University York University this field. Yorkalso offers M.Sc. and Ph.D. degrees in atmospheric chemistry. http://www.cac.yorku.ca/

Atmospheric Chemistry at York University 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 been very successful in assisting our atmospheric chemistry students in finding suitable and rewarding employment within this field. York also offers M.Sc. and Ph.D. degrees in Atmospheric Chemistry. ABOUT CAC WHAT IS ATMOSPHERIC CHEMISTRY? ACADEMIC PROGRAMS GRADUATE STUDIES IN ATMOSPHERIC CHEMISTRY ... FACULTY MEMBERS and GRADUATE STUDENTS AND STAFF SEMINARS HAROLD I SCHIFF LECTURE, December 13, 2002 JOURNALS, WEB LINKS, ETC. ... The CAC web pages are regularly maintained. Last Modified: January 10, 2003 counter:

4. PMEL Atmospheric Chemistry Studies the effects of natural and humanproduced aerosols in the atmosphere. Based at NOAA's Pacific Marine Environmental Laboratory. U.S. Dept. of Commerce / NOAA / OAR / PMEL / atmospheric chemistry. At NOAA's Pacific Marine Environmental Laboratory http://saga.pmel.noaa.gov/

U.S. Dept. of Commerce / NOAA / OAR / PMEL / Atmospheric Chemistry At NOAA's Pacific Marine Environmental Laboratory (PMEL) A homepage of information describing the: PMEL-JISAO Atmospheric Chemistry Research Program (includes overview, recent accomplishments, future plans, personnel and publications) The PMEL Atmospheric Chemistry Data Server Underway DMS System (currently on NOAA R/V Miller Freeman) PMEL Program Review - Atmospheric Chemistry Posters DMS/Climate Aerosols/Climate IGAC - Aerosol Characterization Experiment, ACE-1 , Tasmania, November-December 1995. IGAC - Aerosol Characterization Experiment, ACE-2 , Tenerife - Sagres, June-July 1997 Aerosols99 - INDOEX , Atlantic and Indian Oceans, January - March, 1999 Western Tropical Pacific, June-July, 1999 IGAC - Aerosol Characterization Experiment, ACE-Asia The New England Air Quality Study , Mapping New England's Changing Climate including links to related web pages disclamer PMEL Homepage Please direct any comments or questions to Jim Johnson Last update: 30 May 2002

5. University Of Cambridge: Centre For Atmospheric Science The following websites are hosted by this server atmospheric chemistry Modelling. Support Unit (UGAMP) http://www.atm.ch.cam.ac.uk/

Centre for Atmospheric Science The Centre for Atmospheric Science is a joint venture between the Departments of Chemistry and Applied Mathematics and Theoretical Physics at the University of Cambridge, UK. The following websites are hosted by this server: Atmospheric Chemistry Modelling Support Unit (UGAMP) Centre for Atmospheric Science European Ozone Research Coordinating Unit ... NERC UTLS thematic programme Go to: Atmospheric Chemistry Modelling Support Unit UGAMP Conferences UGAMP Newsletter Centre for Atmospheric Science Ozone Hole Tour About CAS CAS Seminars Contact information Stratospheric Chemistry Modelling Group Tropospheric Chemistry Modelling Group Halocarbon Measurement Group Aviation Impact Research Group University home Chemistry home Applied Maths. Home Information provided by Dr Glenn Carver. Email: webwizard@atm.ch.cam.ac.uk Server logs

6. Airsite - Atmospheric Chemistry On The Web Our goal is to provide a focal point for information on atmospheric chemistry research taking place around the world. http://airsite.unc.edu/

7. Atmospheric Chemistry Program The overall objective of the ACP is to provide DOE with advanced information on the atmospheric environment that is required for longrange energy planning. The atmospheric chemistry Program (ACP) is a Global Change Research program sponsored by the Environmental Sciences http://www.atmos.anl.gov/ACP

Security and Privacy Notice 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 and approximately twelve universities and non-DOE labs. The thrusts of this research are on regional and continental chemistry and fate of tropospheric air pollutants, extracontinental and global chemistry and fate of tropospheric air pollutants, and aerosol genesis. Laboratory studies emphasize rate and equilibrium processes. Field studies are conducted with aircraft and surface measurements on reaction chemistry, advective influences on the chemical composition of chemistry, and air-surface exchange processes. Modeling efforts address both chemistry and dynamics on regional and global scales. 2003 ASP Annual Meeting - March 4-5, 2003 - Orlando, Florida

8. SPEA Atmospheric Chemistry Laboratory Research in our group focuses on the characterization of the chemical mechanisms in the atmosphere that influence regional air quality and global climate change. http://www.indiana.edu/~atmoslab/

Welcome to the Atmospheric Chemistry Laboratory! Research in our group focuses on the characterization of the chemical mechanisms in the atmosphere that influence regional air quality and global climate change. An accurate understanding of this chemistry is essential to assess, control and predict the impact of anthropogenic perturbations on the chemical and radiative properties of the atmosphere. Research projects in our group involve laboratory experiments that isolate important chemical reactions and field measurements and computer modeling of the atmosphere. Indiana University Bloomington offers opportunities for interdisciplinary research in Environmental Science, including the Ph.D. and other degree programs. School of Public and Environmental Affairs 1315 E. 10th Street, Bloomington, IN 47405 Last updated: July 17, 2002 Comments: atmoslab 2000, The Trustees of Indiana University

9. University Of Rhode Island/Center For Atmospheric Chemistry Studies http://euros.gso.uri.edu/

Welcome to the WWW server of the Center for Atmospheric Chemistry Studies at the University of Rhode Island Graduate School of Oceanography. If you can't use the buttons above, information about CACS is available in the following categories: Overview Staff Profiles Facilities Course Listings ... Other WWW Servers at GSO Please Contact Us Box 46 (CACS) Graduate School of Oceanography University of Rhode Island South Ferry Road Narragansett, RI 02882-1197 tel: (401)874-6834 fax: (401)874-6898 email: www@euros.gso.uri.edu CACS WWW Server usage statistics Prepared by: Ruth Platner Last revised on 17 December 1996

10. Atmospheric Chemistry And Dynamics Branch Research is focused on the chemical and transport processes that determine atmospheric composition, Category Science Earth Sciences atmospheric chemistry......atmospheric chemistry and Dynamics Branch. NASAAmes Research Center, Moffett Field, CA USA. http://geo.arc.nasa.gov/sgg.html

Atmospheric Chemistry and Dynamics Branch NASA Ames Research Center, Moffett Field, CA USA Comments and suggestions Search this site The Atmospheric Chemistry and Dynamics Branch (Code SGG) conducts scientific research on important environmental issues in stratospheric chemistry and ozone depletion, strastospheric-troposphere exchange, pertubations in the chemical composition of the troposphere, and climatic changes from clouds, aerosols, and greenhouse gases. The SGG effort includes: a) development and deployment of sensitive, state-of-art instruments on airborne platforms (including aircraft, balloons, and uninhabited aerial vehicules, UAV's), b) modeling of chemistry, dynamics, and radiative transfer processes to understand and elucidate controlling mechanisms, c) science team support of spacecraft measurements of earth atmospheric processes, and d) advocacy, planning and execution of selected field projects for the Office of Earth Science. SGG is organized into four groups: 1) Chemistry, 2) Dynamics, 3) Sunphotometer-Satellite, and 4) Project Management. Research Areas Chemistry Dynamics Sunphotometer-Satellite Project Management Go to Earth Science Division Ames Research Center NASA ESD Information Exchange Group (esd@gaia.arc.nasa.gov)

11. UNH Global Atmospheric Chemistry Group A multidisciplinary group of researchers concerned with understanding the fundamental factors (both Category Science Earth Sciences atmospheric chemistry......The Global atmospheric chemistry Group. Complex Systems Research CenterInstitute for the Study of Earth, Oceans, and Space University http://www.gac.sr.unh.edu/

The Global Atmospheric Chemistry Group Complex Systems Research Center Institute for the Study of Earth, Oceans, and Space University of New Hampshire Durham, NH Welcome! W e are a multidisciplinary group of researchers concerned with understanding the fundamental factors (both natural and anthropogenic) which determine the chemical composition of the Earth's atmosphere. O ur major research interests include quantifying and modeling emissions of atmospheric trace gases from global energy production and use, large-scale agroecosystems, tundra and boreal forest ecosystems, and tropical areas subject to deforestation. We are also studying the chemistry of aerosols and reactive nitrogen, examining their distribution in the global troposphere, and investigating heterogeneous interactions in the middle and upper troposphere. Tell Me More About What You Do Current Projects Staff and Publications List Questions? Comments? Grant Money? e-mail to denise last update June 10, 1998 Web Count Since 3/21/96 :

12. IGAC | International Global Atmospheric Chemistry Aimed at developing a fundamental understanding of the processes determining atmospheric composition, Category Science Earth Sciences atmospheric chemistry...... A Core Project of the International GeosphereBiosphere Programme (IGBP), In Cooperationwith IAMAS Commission on atmospheric chemistry and Global Pollution. http://www.igac.unh.edu/

Core Project Office Climate Change Research Center Morse Hall, UNH, Durham, NH 03824 Phone: (603) 862-4520 Fax: (603) 862-0188 Email: IGAC.CPO@unh.edu Draft IGAC-II Science Plan Updated Feb. 2003 Foci and Activities A Core Project of the International Geosphere-Biosphere Programme ( IGBP In Cooperation with IAMAS Commission on Atmospheric Chemistry and Global Pollution

13. NERC ACSOE Programme Home Page UK NERC Thematic Research Programme to investigate the chemistry of the lower atmosphere (0 12 km) Category Science Earth Sciences atmospheric chemistry......atmospheric chemistry Studies in the Oceanic Environment (ACSOE), which took placebetween 1995 and 2000, is a UK Natural Environment Research Council (NERC http://www.uea.ac.uk/~acsoe/

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 UK Tel: +44 1603 562018 Fax: +44 1603 452420 Email: w.sturges@uea.ac.uk Participants Publications Data at BADC ... Final Report Web site design by Rebecca Penkett

14. EGU - Atmospheric Chemistry And Physics atmospheric chemistry and Physics An Interactive Scientific Journal. Editorialand Advisory Board. ACP ISSN (Print) 16807316 ISSN (Online) 1680-7324. http://www.copernicus.org/EGU/acp/

Atmospheric Chemistry and Physics An Interactive Scientific Journal Editorial and Advisory Board ISSN (Print): ISSN (Online): Find a Paper Comment on a Paper Submit a Manuscript Subscription and Charges ... Special Issues Atmospheric Chemistry and Physics (ACP) is an international scientific journal dedicated to the publication and discussion of high quality studies investigating the Earth's atmosphere and the underlying chemical and physical processes. ACP has an innovative two-stage publication process which involves a scientific discussion forum and exploits the full potential of the internet to foster scientific discussion; enhance the effectiveness and transparency of scientific quality control enable rapid publication; make scientific publications freely accessible. ISSN (Print): ISSN (Online): In the first stage, papers that pass a rapid access peer-review are immediately published on the Atmospheric Chemistry and Physics Discussions (ACPD) website. They are then subject to interactive public discussion, during which the referees' comments (anonymous or attributed), additional short comments by other members of the scientific community (attributed) and the authors' replies are also published in ACPD. In the second stage, the peer-review process is completed and final revised papers are published in ACP. To ensure publication precedence for authors, and to provide a lasting record of scientific discussion, ACPD and ACP are both ISSN-registered, permanently archived and fully citable. For more information see

15. Research In Atmospheric Chemistry At Leeds A focal point for information on atmospheric chemistry research taking place around the worldCategory Science Earth Sciences atmospheric chemistry......Research in atmospheric chemistry at Leeds. We are currently involved AtmosphericChemistry International Research Site. We mirror the Atmospheric http://www.chem.leeds.ac.uk/Atmospheric/intro.html

Research in Atmospheric Chemistry at Leeds We are currently involved in a wide range of studies, both modelling and experimental, with relevance to tropospheric and stratospheric processes. Atmospheric Field Studies Group OH and HO2 measurements using FAGE - University of Leeds FAGE Group A Master Chemical Mechanism (MCM) v3.0 describing the complete tropospheric oxidation of Volatile Organic Compounds (VOC) Colaboratory for Atmospheric Science and Technology - a colaboratory environment for Atmospheric research. The Atmospheric Chemistry Group in the School of the Environment, Leeds Publication Appendix to V.Wagner et al, 2002. Modelling the Photooxidation of Toluene: Conceptual Ideas for Validating Detailed Mechanisms. Appendix to Saunders et al, 2002. Development and Preliminary Test Results of an Expert System for the Automatic Generation of Tropospheric VOC Degradation Mechanisms. Access points to other servers National Atmospheric Emissions Inventory The UK DETR have been funding automated monitoring of air quality at several urban and rural sites around the British Isles. The data gathered from these automated sites are posted hourly to the Air Quality pages.

16. Atmospheric Chemistry And Physics (ACP): Contents atmospheric chemistry and Physics (ACP) Contents, ISSN 16807316 (Print)ISSN 1680-7324 (Online), Search (in ACP/ACPD). Final Revised Papers. http://www.copernicus.org/EGU/acp/acp.htm

Atmospheric Chemistry and Physics (ACP): Contents ISSN: 1680-7316 (Print) ISSN: 1680-7324 (Online) Search (in ACP/ACPD) Final Revised Papers The final revised papers published in Atmospheric Chemistry and Physics (ACP) have emerged from a two-stage process of peer-review and public discussion in Atmospheric Chemistry and Physics Discussions (ACPD) , the discussion forum and first publication stage of ACP. For each paper the original version and its interactive discussion including referees' comments and authors' replies are directly accessible via the link "Discussion Paper". For more information see the ACP Homepage . In case of problems with online viewing, download the PDF file and open it with Acrobat Reader Version 4 or higher. Title, Authors Pages Publication Date Online Access Volume 1 (Atmos. Chem. Phys., 1, 2001) 298 K rate coefficients for the reaction of OH with i -C H I, n -C H I and C H S. A. Carl and J. N. Crowley Abstract (HTML, 4 KB) Full Text (PDF, 117 KB) Discussion Paper (ACPD) Coastal zone production of IO precursors: a 2-dimensional study L. J. Carpenter, K. Hebestreit, U. Platt, and P. S. Liss

17. ESD ACA Home Page Activities include research on airborne releases of mercury compounds, airborne mercury speciation, atmospheric deposition in mountainous terrain, atmospheric mercury cycling, biogeochemical cycling of mercury in northern wetlands, and development of laserinduced plasma spectroscopy for continuous multielemental emission monitoring. http://www.esd.ornl.gov/programs/ACA/

Atmospheric Chemistry and Aerosol Research Background Mission Conferences Mercury ... Oak Ridge National Laboratory Page Last Updated: August 14, 2000 Send Comments Welcome to Atmospheric Chemistry and Aerosol Research Home Page Atomspheric Aerosols - Biogeochemical Cycling - Emission Monitoring - Laser Spectroscopy - Mercury

18. Earth Observing System (EOS) Aura Aura is a NASA mission to study Earth's ozone, air quality, and climate and conduct research on the composition, chemistry, and dynamics of Earth's atmosphere. There are many links relating to atmospheric chemistry research and related spaceflight projects in the United States http://aura.gsfc.nasa.gov/

Earth Observing System (EOS) Aura is a NASA mission to study the Earth's ozone, air quality and climate. This mission is designed exclusively to conduct research on the composition, chemistry and dynamics of the Earth's upper and lower atmosphere employing multiple instruments on a single satellite. EOS Aura is the third in a series of major Earth observing satellites to study the environment and climate change and is part of NASA 's Earth Science Enterprise. The first and second missions, Terra and Aqua, are designed to study the land, oceans, and the Earth's radiation budget. Aura's chemistry measurements will also follow up on measurements which began with NASA 'S Upper Atmospheric Research Satellite and continue the record of satellite ozone data collected from the TOMS missions.

19. NASA's GES DISC DAAC: Upper Atmosphere Data Support NASA pages offers data and images from satellites, educational resources, news, videos, software and a collection of related links. Upper Atmosphere Data Support. Chemistry, Dynamics and Solar Interactions from other missions dedicated to studying the chemistry, dynamics and solar interactions of the upper http://daac.gsfc.nasa.gov/CAMPAIGN_DOCS/ATM_CHEM/ac_main.html

Upper Atmosphere Data Support Chemistry, Dynamics and Solar Interactions Site Map The SORCE spacecraft was successfully launched on Saturday January 25, 2003. The level telemetry data are already flowing to the DAAC. The science level 3 products are expected to arrive at the DAAC about 3 - 4 months after launch. Please check back for any updates or see the SORCE homepage Menu: Data Documentation Software Images ... Staff Welcome to the Upper Atmosphere Data Support Web Site at the NASA Goddard Space Flight Center's Distributed Active Archive Center (DAAC). Here you will find data, information, and resources about the Earth's upper atmosphere; the region from the stratosphere and up. Please visit the Goddard DAAC homepage for other Earth science data and information. Our primary data sets include the Upper Atmosphere Research Satellite (UARS), the Total Ozone Mapping Spectrometer (TOMS). We also have data sets from other missions dedicated to studying the chemistry, dynamics and solar interactions of the upper atmosphere. In the future, this site will also provide information about the EOS SORCE mission (launced January 25, 2003) and the upcoming EOS

20. CENTRE FOR ATMOSPHERIC CHEMISTRY What is atmospheric chemistry? Atmospheric Further information Public healthstatement PCB's. atmospheric chemistry at York University. York http://www.cac.yorku.ca/general/intro.html

What is Atmospheric Chemistry? P. Crutzen, M. Molina and F. S. Rowland. Photochemical Smog/Tropospheric Ozone Further information: SMOG Let's clear the air! The Chemistry of Atmospheric Pollutants Global Warming Further information: Frequently asked questions about Climate Change Do you want to know more about climate change? Greenhouse Gases Carbon Dioxide, (CO2) Stratospheric Ozone Depletion Further information: Frequently asked questions about Ozone Depletion from the Union of Concerned Scientists Greenpeace: Ozone Campaign Home Page The Science of ozone depletion USENET FAQ about ozone depletion (from Europe) The Ozone Hole - a Multimedia Tour! The ozone layer Acidic Deposition Further information: Acid rain Acid rain resources Toxic Air Pollutants Further information: Public health statement: PCB's Atmospheric Chemistry at York University 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 these important environmental concerns upon their graduation. We have historically been very successful in assisting our atmospheric chemistry students in finding suitable and rewarding employment within this field. York also offers M.Sc. and Ph.D. degrees in Atmospheric Chemistry. Further information: Atmospheric Chemistry Programmes at York University Top of page Back to the homepage of the Centre for Atmospheric Chemistry

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