41. 9) Information On Meteorology Topics Top Document meteorology FAQ Part 5/7 Sources of weather data Links to policy information and scientific information on the ozone layer and the ozone http://www.faqs.org/faqs/meteorology/net-resources/section-9.html

Single Page Top Document: Meteorology FAQ Part 5/7: Sources of weather data Previous Document: 8) Educational resources for teachers Usenet FAQs Search Web FAQs ... RFC Index 9) Information on meteorology topics http://www.agu.org/everyone.html http://www.access.digex.net/~rmg3/ http://www.epa.gov/docs/ozone/index.html http://www.access.digex.net/~rmg3/sea.level.faq ... http://www.eskimo.com/~billb/tesla/ballgtn.html Top Document: Meteorology FAQ Part 5/7: Sources of weather data Previous Document: 8) Educational resources for teachers Single Page Usenet FAQs Search Web FAQs Documents ... RFC Index Send corrections/additions to the FAQ Maintainer: hcane@mobile.gulf.net Last Update June 15 2004 @ 00:28 AM

42. Meteorology FAQ Part 5/7: Sources Of Weather Data There are 7 documents in this FAQ series meteorology FAQ Part 1/7 Intro Links to policy information and scientific information on the ozone layer and http://www.faqs.org/faqs/meteorology/net-resources/

MultiPage Meteorology FAQ Part 5/7: Sources of weather data There are reader questions on this topic! Help others by sharing your knowledge sci.geo.meteorology Subject: Meteorology FAQ Part 5/7: Sources of weather data Reply-To: hcane@mobile.gulf.net Subject: 1) Table of contents 1) Table of contents 2) Overview 3) Newsgroups and WWW bulletin boards 4) Mailing lists 5) Institutional home pages non-US 6) Institutional home pages US 7) Employment resources 8) Educational resources for teachers 9) Information on meteorology topics Each (major) section has a "Subject:" line, so you can search on the subject title above to find the section quickly. Subject: 2) Overview This is a list of Internet resources for people wishing to discuss or learn about meteorology, climatology, oceanography, and related disciplines. They include resources for laypersons, professionals, teachers, and students. talk.environment Subject: 4) Mailing lists In the following list of mailing lists, commands to mailservers are set off using quotation marks ("example"). Don't use the quotes when sending actual mail to the servers. AHP_ARCHIVE-L A mailing list has been created to discuss issues arising out of the preservation of the archives of the Alberta Hail Project (AHP). The Alberta Hail Project operated from 1957-1986, and collected meteorological data (centered around hail storms) using several sensors, including a circularly polarized 10 cm radar, a co-located 3 cm radar, and an instrumented aircraft, as well as extensive ground operations and surveys. A project is currently underway to move as much digital data as possible to CD-ROM and store those at the University of Alberta Data Library. For more information on the project or the archives, email

43. U.S. EPA: Ozone Depletion Science ozone Images from the Department of meteorology, University of Reading, UK Exit EPA disclaimer Features a 90day archive of the latest images from global http://www.epa.gov/ozone/science/

Ozone Depletion Recent Additions Contact Us Print Version Search: EPA Home Ozone Depletion Glossary About Us ... Fun Stuff The Science of Ozone Depletion Ozone depletion is the result of a complex set of circumstances and chemistry. This page has links to articles that give overviews or broad information , shorter pieces that focus on specific aspects of ozone depletion images and animations of ozone levels and ozone depletion, and international organizations that issue regular updates. Please note that this site is intended only to provide general information about the science of ozone depletion. Therefore, it is written without detailed citations of original research. If you need such references, please see either the answers to frequently asked questions , by Robert Parson, or NASA's Ozone Resource File , both of which provide detailed information and full citations to original papers. You can also find many original papers at the

44. EPA Air Trends The pollutants that contribute to ozone formation are oxides of nitrogen (NOx) and volatile changes in emissions and meteorology, and ozone air quality. http://www.epa.gov/airtrends/2003ozonereport/intro.html

//var DOCUMENTGROUP=''; //var DOCUMENTNAME=''; //var ACTION=''; Air Trends Recent Additions Contact Us Print Version Search: EPA Home Air Trends Ozone Report Air Trends Home ... Acronyms Introduction The Formation of Ozone Ozone is rarely emitted directly into the air. The pollutants that contribute to ozone formation are oxides of nitrogen (NOx) and volatile organic compounds (VOCs). Some of the major sources of these pollutants are vehicle and engine exhaust, emissions from industrial facilities, combustion from electric utilities, gasoline vapors, chemical solvents, and biogenic emissions from natural sources. Intense sunlight, which usually occurs in the summer, causes ground-level ozone to form in harmful concentrations in the air. Many urban areas tend to have higher levels of ozone, but even rural areas with relatively low amounts of local emissions may experience high ozone levels because the wind transports ozone and the pollutants that form it hundreds of miles away from their original sources. Throughout this report, the ozone discussed is ground-level ozone. Introduction A Look at 2003 Measuring Progress A Closer Look ... Summary In 2003, ozone levels nationwide were the lowest they have been since 1980. Yet ozone continues to be a pervasive air pollution problem, affecting many areas across the country and, at times, harming millions of people, sensitive vegetation, and ecosystems. This report analyzes ozone levels in 2003, summarizes the progress we have made in reducing levels of ozone since 1980, investigates how we have made progress, and looks at our current challenges and long-term prospects for continuing to reduce ground-level ozone. This report does not provide all of the answers, but may bring us closer to understanding the ozone problem, including the links between emission reduction programs, changes in emissions and meteorology, and ozone air quality.

45. Ozone News and information, Our Division, ozone Depletion, Remote Sensing Hemisphere meteorology status report on the 1998 Antarctic ozone hole (and other http://www.dar.csiro.au/information/ozone.html

View menu options Home Air Pollution Contact us Doing business with us Greenhouse effect Library News and information Our Division Ozone Depletion Remote Sensing Research Site Map Search Staff only Weatherwall What's New? Ozone depletion Ozone depletion in the upper atmosphere is the result of human-produced chemicals, such as chlorofluorocarbons (CFCs) and halons. Depletion is especially severe over Antarctica in spring, causing the highly publicised "ozone hole". However, at all latitudes away from the equator, the layer of ozone that protects us from the harmful radiation of the sun is thinner that it was in the late 1970s. The Montreal Protocol, signed in 1987 and subsequently strengthened, has led to phase out of most CFC and halon use. However, CFCs and halons last for a long time in the atmosphere, so it will be some decades before the ozone layer completely replenishes itself. Scientists in the Global Atmospheric Change Program are tracking changes to atmospheric concentrations of ozone depleting chemicals and contributing to international efforts to assess and minimise ozone damage. CRC for Southern Hemisphere Meteorology status report on the 1998 Antarctic ozone hole (and other information about CFCs and ozone depletion).

46. Geophysics And Meteorology Geophysics and meteorology have a fascination in their own right, but are also of great Blue and purple indicate regions of low stratospheric ozone. http://www.geos.ed.ac.uk/homes/thompson/under/GAM.html

@import url(/styles/siteStyleAdvanced.css); @import url(/styles/siteStyleLocal.css); Science and Engineering at The University of Edinburgh School of GeoSciences Personal Home Pages Quick Links -GeoSciences- Home Undergraduate Study Postgraduate Study MSc courses PhD opportunities Research Research Facilities People Personal Home Pages -University- University Homepage College of Science and Engineering Library Careers Login ] [ You are here: Home Home Pages Roy Thompson Section Contents Undergraduate material Databases exercise EG4 statistics exercise Geology 3 exercise ... Report writing Geophysics and Meteorology New degree in Geophysics and Meteorology Edinburgh University is introducing a new degree stream in Geophysics and Meteorology to start in 2005/6 Geophysics and meteorology have a fascination in their own right, but are also of great economic and environmental importance. Geophysics is concerned with studying the earth's internal structure and dynamics through the use of physics and mathematics; while meteorology Degree Structure Year 1: In the first year basic mathematics, physics and geology are covered, along with a choice of one further course.

47. Why Does The Ozone Hole Form? Interdisciplinary aspects As you learn about the chemistry of the ozone hole, The unique Antarctic meteorology and heterogeneous chemistry will http://mc2.cchem.berkeley.edu/modules/ozone/

Why does the Ozone Hole Form? Module homepage zone Prerequisites: Knowledge of stoichiometry, gases, thermochemistry, bond energies, atomic theory, interaction of light with matter, bonding and structure (Lewis structures, s and p bonding, orbital overlap, and 3D geometry). Interdisciplinary aspects: As you learn about the chemistry of the ozone hole, you will also learn how it overlaps with other disciplines and areas of your life, including atmospheric chemistry, global climate, environmental and earth systems science, public policy, international treaties, and the media. Classroom, laboratory, or both: Both Number of one-hour class periods: Number of 3-4 hour laboratory periods: Trish Ferrett (Carleton College) Sharon Anthony (Beloit) Interdisciplinary consultant and Co-author: Ron Cohen (U.C. Berkeley) Susan Strahan (NASA Goddard) and others at NASA Description This module is driven by the question, "Why does the ozone hole form in the Antarctic Spring?" Students will use the world wide web to learn about the structure of the atmosphere and the ozone layer, when the ozone hole is formed, and its current status. The oxygen chemistry which "naturally" makes and destroys ozone will be covered, along with the 2-step Cl-catalyzed cycle proposed in 1974 by Rowland and Molina. The unique Antarctic meteorology and heterogeneous chemistry will complete the story. Emphasis is placed on using chemical kinetics in a real context by using rate concepts and calculations to answer relevant questions about ozone. The skill of learning to support or refute a scientific hypothesis with evidence is strongly emphasized throughout, as well as the interplay of experimental data and theoretical models.

48. Gardner of meteorology in Determining Surface ozone Concentrations a Neural Network of any inter-annual variability in the ozone-meteorology relationship. http://www.geocomputation.org/1996/abs037.htm

An Investigation into the Importance of Meteorology in Determining Surface Ozone Concentrations - a Neural Network Approach Matthew W. Gardner School of Environmental Science, University of East Anglia, Norwich, Norfolk NR4 7TJ, United Kingdom Abstract Surface ozone concentrations are determined by a complex interaction between radiative chemical and meteorological processes. Ozone is classified as a secondary pollutant since it is not released directly into the atmosphere, but is photochemically produced in the presence of its precursors and sunlight. Ozone concentrations are strongly linked to the meteorological conditions in the boundary layer and also to long-range transport of both ozone and its precursors. Land-sea breezes also influence ozone concentrations at coastal sites. To date there exists a discrepancy between the timescale with which ozone chemistry is known to operate and the study of the meteorology-ozone relationship. Ozone chemistry is measured and modelled on timescales of minutes to hours whereas the majority of work investigating the effect of meteorology on surface ozone concentrations has been undertaken on timescales of days to years. The objective of this research was to investigate the effect of local meteorology on surface ozone concentrations on an hourly basis for a period of at least one year. A feed-forward back propagation neural network was developed to model hourly ozone concentrations from simple meteorological data. The data are from Weybourne, a coastal site in North Norfolk; and include hourly observations of temperature, humidity, irradiance, wind speed, direction and ozone concentrations for the whole year of 1994. No chemical data was used as input to the model. By using purely meteorological input data the degree of ozone concentration variability resulting from changes in weather conditions could be assessed. Any remaining variability could then be attributed to other causes such as the chemical interaction between hydrocarbons and the oxides of nitrogen. Previous work by Boznar et al. (1992) has already illustrated the successful use of a neural network to predict SO

49. Iowa Science Teachers Section Of The IAS of topics such as acid rain, air pressure, ozone, meteorology, and more. added 10/02; AMS The DataStreme Project Antarctic meteorology Online - The http://ists.pls.uni.edu/links/meteorology.html

Iowa Science Teachers Section Iowa Academy of Science Home About the ISTS Become a Member 2005 Fall Conference ... IAS Store The mission of the I owa S cience T eachers S ection of the Iowa Academy of Science is to advocate for excellence in science education by promoting professionalism, influencing policy, and enhancing learning. Iowa Science Teachers Section of the Iowa Academy of Science Meteorology Links If you have links to add to this directory, or need to report a broken link, contact Air Quality Lesson Plans and Data - Offered by the Texas Natural Resource Conservation Commission, the Air Quality Lesson Plans and Data Web site provides educators with a wealth of great classroom activities. Over thirty lessons are categorized by grade level and include lesson plans on a variety of topics such as acid rain, air pressure, ozone, meteorology, and more. - added 10/02 AMS The DataStreme Project Antarctic Meteorology Online - The Antarctic Meteorology Online Web site is provided by the British Antarctic Survey and the Natural Environment Research Council. Visitors will find weather reports provided by the dozens of stations located in the Antarctic. The Web master has made these data accessible by each specific station; by a clickable map; by a list of all land, ship, or buoy stations; or by an oracle database interface. The reports are at least 10 minutes old and are normally not more than six hours old. - added 12/02

50. Resources For Teaching Meteorology NOAA National Oceanic and Atmospheric Administration; Climatic Monitoring Laboratory Monitoring of greenhouse gases, aerosols, ozone, etc. http://www.csun.edu/~vceed002/geoscience/meteorology/

Chapters: Sourcebook for Teaching Science (1) Thinking Scientifically (2) The Science Curriculum (3) The Language of Science (4) Communicating Concepts (5) Problem Solving in Science (6) Science Activities and Projects (7) The Science Laboratory (8) Professional Issues Internet Resources for Teaching Science Resources for Teaching Biology Resources for Teaching Chemistry Resources for Teaching Physics Resources for Teaching Geoscience Resources for Teaching Health Lesson Development Science Laboratory Professional Development Science Education at CSUN Teaching Resources The Atmosphere Weather in California US/Intl.Weather ... Weather on your website Teaching Resources The Weather Channel: Automated Weather Source : Worldwide weather and teaching resources The Aurora Page : Information on the Northern Lights The Atmosphere Current Air Pollution Readings : National readings on air pollution Hurricane Tracker : Track the paths of past hurricanes. Ozone Depletion : Information from the EPA Air Pollution : EPA resources on air quality and pollution NOAA : National Oceanic and Atmospheric Administration Climatic Monitoring Laboratory : Monitoring of greenhouse gases, aerosols, ozone, etc.)

51. BBC NEWS | Science/Nature | Arctic Ozone Loss 'fluctuates Widely' It s predominantly the meteorology that s responsible for the ozone loss, and the main factor is probably the stability and temperature of the vortex. http://news.bbc.co.uk/2/hi/science/nature/2906249.stm

News Sport Weather World Service ... Newswatch Last Updated: Thursday, 3 April, 2003, 09:06 GMT 10:06 UK Email this to a friend Printable version Arctic ozone loss 'fluctuates widely' By Alex Kirby BBC News Online environment correspondent The loss of ozone over the Arctic varies widely from year to year, US scientists say. The Arctic ozone loss during the nineties wasn't linked to chlorine - it's been driven by the meteorology Dr Neil Harris, Eorcu Using data collected by the US space agency (Nasa), they say the amount, timing and pattern of ozone loss all fluctuate. They say their findings will help to show the effectiveness of agreements on limiting ozone depletion. And they should also give scientists a better understanding of what is happening in the Arctic. The research team, which analysed data from the Microwave Limb Sounder (MLS) on Nasa's Upper Atmosphere Research Satellite (UARS), report their findings in the Journal of Geophysical Research, published by the American Geophysical Union. Ozone, a form of oxygen, protects all life on Earth against harmful ultraviolet radiation. Close to the poles it is thinning, largely because of reactions with chlorofluorocarbons (CFCs) and other industrial gases.

52. Correlation Of Ozone And Meteorology With Hydrogen Peroxide In Urban And Rural R The American Meteorological Society (AMS), publishes seven wellrespected scientific journals and an abstract journal, in addition to the Bulletin, http://ams.allenpress.com/amsonline/?request=get-abstract&doi=10.1175/1520-0450(

53. Relations Between Meteorology And Ozone In The Lake Michigan Region The American Meteorological Society (AMS), publishes seven wellrespected scientific journals and an abstract journal, in addition to the Bulletin, http://ams.allenpress.com/amsonline/?request=get-abstract&doi=10.1175/1520-0450(

54. Meteorology News, Research And Discoveries meteorology news and meteorology current events, research and discoveries news headlines Arctic ozone loss more sensitive to climate change than thought http://www.brightsurf.com/isearch/index.php?action=search&s=Meteorology

55. NASA - Meteorology ozone Fact Sheet ozone What is it, and why do we care about it? + Read More. SAGE III Educational Outreach Program Involve your students in NASA research. http://www.nasa.gov/audience/foreducators/topnav/subjects/earthscience/Meteorolo

The nasa.gov site requires that JavaScripts be enabled in your browser. For instructions, click here + Text Only Site + Contact NASA + NASA Home ... + NASA Education Home preLoad('/templateimages/navigation/leftnav/foreducators/nav_left_contacts,/templateimages/navigation/leftnav/foreducators/nav_left_features,/templateimages/navigation/leftnav/foreducators/nav_left_grants,/templateimages/navigation/leftnav/foreducators/nav_left_internet,/templateimages/navigation/leftnav/foreducators/nav_left_learning,/templateimages/navigation/leftnav/foreducators/nav_left_multimedia,/templateimages/navigation/leftnav/foreducators/nav_left_development,/templateimages/navigation/leftnav/foreducators/nav_left_opportunities'); Choose another category: + For Educators K-4 + For Educators 5-8 + For Educators 9-12 + For Educators Post Secondary ... + For Informal Educators Activities About Earth and the Moon From the Space Place These classroom activities are designed for students in grades 5-8. + Read More Adventure of Droplet Game Join Droplet, the water molecule, as he enters the water cycle and starts his journey home. Your task is to get him safely out to sea so that the sun can warm him once again and help him get back to the clouds.

56. NASA - Meteorology ozone Fact Sheet. ozone What is it, and why do we care about it? + Read More. SAGE III Educational Outreach Program http://www.nasa.gov/lb/audience/foreducators/topnav/subjects/earthscience/Meteor

The nasa.gov site requires that JavaScripts be enabled in your browser. For instructions, click here Text and images site Contact NASA NASA Home ... NASA Education Home Find it at NASA: Enter search term Global Navigation CLASSROOM SUBJECTS EDUCATIONAL MATERIALS ACT NOW EDUCATION TV SCHEDULE ... EXPRESS MAILING LIST Meteorology Classroom Subjects Navigation: About Classroom Subjects Careers Earth Science History ... Technology Choose another category: For Educators K-4 For Educators 5-8 For Educators 9-12 For Educators Post Secondary ... For Informal Educators Online Resources Activities About Earth and the Moon From the Space Place These classroom activities are designed for students in grades 5-8. + Read More Adventure of Droplet Game Join Droplet, the water molecule, as he enters the water cycle and starts his journey home. Your task is to get him safely out to sea so that the sun can warm him once again and help him get back to the clouds. + Read More Atmospheric Aerosols Fact Sheet Aerosols are minute particles suspended in the atmosphere. This fact sheet describes the different types of aerosols and how they affect Earth's climate. + Read More Astro-Venture This is an interactive site where students in grades 5-8 role-play NASA occupations as they search for and build a planet for human habitation.

57. Question Of The Week - Samoa Meteorology Division By absorbing dangerous UV radiation, the ozone in the stratosphere protects us from skin cancer and other health damage. However chemicals (called CFCs or http://www.meteorology.gov.ws/Education/Q&A/Q1.htm

Student Area Question of the Week Student Home Main Home Reading geography + geology cyclones clouds El Nino La Nina Forecast terms ... El Nino glossary Activities cloud spotting Mini clouds Global winds Tools calculator atm. calculator Student Feature Article read Question of the Week this week Student InfoLinks BBC's Weather Center Meteorology Online Chemistry Coach Access Excellence What are the different layers of the atmosphere? The atmosphere can be divided into layers based on its temperature, as shown in the figure below. These layers are the troposphere , the stratosphere , the mesosphere and the thermosphere . A further region, beginning about 500 km above the earth's surface, is called the exosphere The red line on the figure below shows how temperature varies with height (the temperature scale is given along the bottom of the diagram). The scale on the right shows the pressure. For example, at a height of 50 km, the pressure is only about one thousandth of the pressure at the ground. Click on a particular part of the figure for more information about it. THE REGIONS The Troposphere This is the lowest part of the atmosphere - the part we live in. It contains most of our weather - clouds, rain, snow. In this part of the atmosphere the temperature gets colder as the distance above the earth increases, by about 6.5°C per kilometre. This change of temperature with height varies from day to day, depending on the weather.

58. Martindale's Calculators On-Line Center: Weather, Meterology, Climatology For more information see meteorology Understanding the Atmosphere or WeatherWise ozone CALCULATORS, APPLETS, ANIMATIONS SIMULATIONS http://www.martindalecenter.com/CalculatorsD_Wea.html

M ARTINDALE'S C ALCULATORS O N- L INE C ENTER WEATHER - METEOROLOGY - CLIMATOLOGY US/Pacific: Saturday, September 24, 2005 Sydney, Australia: Sunday, September 25, 2005 File Download Time Calculator Author, ... Calculators Meteorology AIR QUALITY METEOROLOGY - The Shodor Education Foundation, Inc. Air Quality Meteorology or The Shodor Education Foundation, Inc. Some examples of Major Chapters include Composition and Vertical Structureof the Atmosphere Measures of the Atmosphere Atmospheric Stability METEOROLOGY EDUCATION AND TRAINING (METED) MODULES or the University Corporation for Atmospheric Research Some examples from over "50" other Modules include Dispersion Gap Winds Sea Breezes Dynamically Forced Fog ... - R. Shelquist, Longmont, Colorado VERY EXTENSIVE. For more information see Calculators or Richard Shelquist Home Page ATMOSPHERE COMPUTATIONS: STANDARD - LDS Vacuum Products, Inc., Altamonte Springs, Florida For more information see Technical Information or LDS Vacuum Products, Inc., ATMOSPHERE COMPUTATION: STANDARD - Aircraft Aerodynamics and Design Group, Department of Aeronautics and Astronautics, Stanford University "...Enter the Altitude in Feet, do not use coma. Computation currently will give you: Density, Temperature, Pressure, K. Viscosity and Sound Speed..." For more information see Aircraft Aerodynamics and Design Group, Department of Aeronautics and Astronautics, Stanford University

59. IMRES - 1.3.5.2 Science Of UV And Ozone - Introduction To Meteorology And Relate Introduction to meteorology and Related Sciences. MSC EC - GC. 1.3.5.2 Science of UV and ozone. Start with a General Introduction to Stratospheric ozone http://www.msc-smc.ec.gc.ca/education/imres/13_meteorology/135_topics/1_3_5_2_oz

Introduction to Meteorology and Related Sciences MSC EC GC 1.3.5.2 Science of UV and Ozone Start with a General Introduction to Stratospheric Ozone Ozone Fact Sheet World Ozone and Ultraviolet Radiation Data Centre Finally, try your hand at the Ozone Quiz Check out the UV Index Page ... along with the Living with Ultraviolet page For further information, check out the Additional Resources link on the UV Index Page. Finally, when you are ready, try the Quiz on UV and Ozone PDF HTML Meteorological Service of Canada Environment Canada ... Government of Canada Graphics : [ Turn off Print PDA Created : 2002-09-09 Modified : 2002-12-06 Reviewed : 2002-12-06 Url of this page : http://www.msc.ec.gc.ca /education/imres/13_meteorology/135_topics/1_3_5_2_ozone_e.cfm The Green Lane TM Environment Canada's World Wide Web Site. The default navigational mode of this site requires either [ Opera 5+ ] or equivalent with JavaScript enabled. If you can not upgrade your browser, or can not enable JavaScript, please use the [ text-only ] version of this site. Welcome Table of Contents Meteorology Climatology ... Other Educational Sites var si_selected_tab=4; var si_number_of_tabs=10;

60. Bibliography - Arctic Ozone - [Meteorological Service Of Canada - The Green Lane Total ozone variations in the tropical belt an application for quality of groundbased measurements. meteorology and Atmospheric Physics, 58, 223-240. http://www.msc-smc.ec.gc.ca/education/arcticozone/biblio_e.cfm

Arctic Ozone MSC EC GC Bibliography Austin, J., N. Butchart, and K.P. Shine, 1992. Possibility of an Arctic ozone hole in a doubled-CO2 climate. Nature, Bojkov, R.D., and V.E. Fioletov, 1995. Estimating the global ozone characteristics during the last 30 years. Journal of Geophysical Research, Bojkov, R.D., and V.E. Fioletov, 1996. Total ozone variations in the tropical belt: an application for quality of ground-based measurements. Meteorology and Atmospheric Physics, Coy, L., E. Nash, and P. Newman, 1997. Meteorology of the polar vortex: Spring 1997. Geophysical Research Letters, Dameris, M., et al., 1998. Assessment of the future development of the ozone layer. Geophysical Research Letters, Danilin, M.Y., et al., 1998. Stratospheric cooling and Arctic ozone recovery. Geophysical Research Letters, Donovan, D.P., H. Fast, et al., 1997. Geophysical Research Letters, Fioletov, V.E., et al., 1997. Long-term ozone decline over the Canadian Arctic to early 1997 from ground-based and balloon observations. Geophysical Research Letters, Haigh, J. D., 1996.

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