Book contents
- Air Pollution
- Air Pollution
- Copyright page
- Contents
- Preface
- Main Notations
- 1Brief History of Air Pollution
- 2Emissions of Air Pollutants and Emission Control Technologies
- 3Meteorology: General Circulation
- 4Air Pollution Meteorology
- 5Atmospheric Radiative Transfer and Visibility
- 6Atmospheric Dispersion
- 7The Stratospheric Ozone Layer
- 8Gaseous Pollutants
- 9Atmospheric Particles
- 10Clouds and Acid Rain
- 11Transfer of Pollutants between the Atmosphere and Surfaces
- 12Health Effects
- 13Environmental Impacts
- 14Climate Change and Air Pollution
- 15Regulations and Public Policies
- Index
- References
7 - The Stratospheric Ozone Layer
Published online by Cambridge University Press: 19 June 2019
Book contents
- Air Pollution
- Air Pollution
- Copyright page
- Contents
- Preface
- Main Notations
- 1Brief History of Air Pollution
- 2Emissions of Air Pollutants and Emission Control Technologies
- 3Meteorology: General Circulation
- 4Air Pollution Meteorology
- 5Atmospheric Radiative Transfer and Visibility
- 6Atmospheric Dispersion
- 7The Stratospheric Ozone Layer
- 8Gaseous Pollutants
- 9Atmospheric Particles
- 10Clouds and Acid Rain
- 11Transfer of Pollutants between the Atmosphere and Surfaces
- 12Health Effects
- 13Environmental Impacts
- 14Climate Change and Air Pollution
- 15Regulations and Public Policies
- Index
- References
Summary
The stratospheric ozone layer results from the photolysis of molecular oxygen by ultraviolet (UV) solar radiation in the high atmosphere. This large atmospheric layer is stable and, therefore, affects the general atmospheric circulation by decreasing significantly the vertical motions of air parcels. In addition, ozone protects the Earth from harmful UV radiation. Therefore, its destruction by anthropogenic activities may lead to public health impacts. This chapter presents first some fundamentals of atmospheric chemical kinetics (i.e., the speed at which chemical reactions occur in the atmosphere), which are needed to understand the processes leading to the presence of the ozone layer. These notions are also needed to understand the formation of gaseous and particulate pollutants, which is presented in the following chapters. Next, the processes that govern the ozone layer are described in terms of its natural formation and its destruction by man-made substances. Finally, the public policies introduced to address the protection of the stratospheric ozone layer are summarized.
Information
- Type
- Chapter
- Information
- Air PollutionConcepts, Theory, and Applications, pp. 125 - 145Publisher: Cambridge University PressPrint publication year: 2019
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