NDLI: Atmospheric aerosols

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Atmospheric aerosols

Content Provider	NASA Technical Reports Server (NTRS)
Author	Pueschel, R. F.
Copyright Year	1994
Description	Aerosols, defined as particles and droplets suspended in air, are always present in the atmosphere. They are part of the earth-atmosphere climate system, because they interact with both incoming solar and outgoing terrestrial radiation. They do this directly through scattering and absorption, and indirectly through effects on clouds. Submicrometer aerosols usually predominate in terms of number of particles per unit volume of air. They have dimensions close to the wavelengths of visible light, and thus scatter radiation from the sun very effectively. They are produced in the atmosphere by chemical reactions of sulfur-, nitrogen- and carbon-containing gases of both natural and anthropogenic origins. Light absorption is dominated by particles containing elemental carbon (soot), produced by incomplete combustion of fossil fuels and by biomass burning. Light-scattering dominates globally, although absorption can be significant at high latitudes, particularly over highly reflective snow- or ice-covered surfaces. Other aerosol substances that may be locally important are those from volcanic eruptions, wildfires and windblown dust.
File Size	166098
Page Count	2
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_20010057626
Archival Resource Key	ark:/13960/t9f52kx3c
Language	English
Publisher Date	1994-01-01
Access Restriction	Open
Subject Keyword	Environment Pollution Atmospheric Effects Electromagnetic Absorption Light Scattering Biomass Burning Wind Effects Aerosols Chemical Reactions Terrestrial Radiation Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Article

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