Ozone Depletion FAQ
Frequently Asked Questions about stratospheric ozone depletion.
This FAQ about stratospheric ozone depletion was compiled and written by Robert Parson rparson@spot.colorado.edu with numerous contributions by others.
01 How to get this FAQ (sci.environment)- These files are posted to the newsgroups sci.environment, sci.answers,...
- 03 General remarks (sci.environment)
- This is the first of four FAQ files dealing with stratospheric ozone ...
- 04 Caveats, Disclaimers, and Contact Information (sci.environment)
- | _Caveat_: I am not a specialist. In fact, I am not an ...
- 05 Dedication (sci.environment)
- This FAQ is dedicated to the memory of Carl J. Lydick, who was one ...
- 06 What is the stratosphere?
- The stratosphere extends from about 15 km to 50 km. In ...
- 07 How is the composition of air described? (Or, what is a 'mixing ratio'?)
- The density of the air in the atmosphere depends upon altitude, ...
- 08 How does the composition of the atmosphere change with altitude? (Or, how can CFC's get up to the stratosphere when they are heavier than air?)
- In the earth's troposphere and stratosphere, most _stable_ ...
- 09 How is ozone created?
- Ozone is formed naturally in the upper stratosphere by ...
- 10 How much ozone is in the layer, and what is a "Dobson Unit" ?
- A Dobson Unit (DU) is a convenient scale for measuring the ...
- 11 How is ozone distributed in the stratosphere?
- In absolute terms: about 10^12 molecules/cm^3 at 15 km, rising ...
- 12 How does the ozone layer work?
- UV light with wavelengths between 240 and 320 nm is absorbed ...
- 13 What sorts of natural variations does the ozone layer show?
- There are substantial variations from place to place, and ...
- 14 Regional and Seasonal Variation (Ozone layer)
- Since solar radiation makes ozone, one expects to see ...
- 15 Year-to-year variations (Ozone layer)
- Since ozone is created by solar UV radiation, one expects to ...
- 16 What are CFC's?
- CFC's - ChloroFluoroCarbons - are a class of volatile organic compounds ...
- 17 How do CFC's destroy ozone?
- CFC's themselves do not destroy ozone; certain of their decay products ...
- 18 What is an "Ozone Depletion Potential?"
- The ozone depletion potential (ODP) of a compound is a simple measure of ...
- 19 What about HCFC's and HFC's? Do they destroy ozone?
- HCFC's (hydrochlorofluorocarbons) differ from CFC's in that ...
- 20 IS the ozone layer getting thinner?
- There is no question that the ozone layer over antarctica has ...
- 21 Is the middle-latitude ozone loss due to CFC emissions?
- That's the majority opinion, although it's not a universal opinion....
- 22 If the ozone is lost, won't the UV light just penetrate deeper into the atmosphere and make more ozone?
- This does happen to some extent - it's called self-healing - ...
- 23 Do Space Shuttle launches damage the ozone layer?
- Very little. In the early 1970's, when little was known ...
- 24 Will commercial supersonic aircraft damage the ozone layer?
- Short answer: Probably not. This problem is very complicated,...
- 25 What is being done about ozone depletion?
- The 1987 Montreal Protocol (full text available on the world-wide web ...
- 26 References for Part I
- A remark on references: they are neither representative ...
- 27 Introductory Reading (sci.environment)
- [Garcia] R. R. Garcia, Causes of Ozone Depletion, _Physics ...
- 28 Books and Review Articles (sci.environment)
- [Benedick] R. Benedick, _Ozone Diplomacy_, Harvard, 1991....
- 29 More Specialized References (sci.environment)
- [Bojkov et al. 1995] R. D. Bojkov, V. E. Fioletov, D. S. Balis,...
- 30 Internet Resources (Ozone Depletion)
- This list is preliminary and by no means comprehensive; it includes a ...
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