Notes |
Intro
Carbonaceous aerosols are increasingly recognized
as an important atmospheric constituent.
These small atmospheric particles are predominately
soot produced by incomplete combustion
of fossil fuels,biofuels,and outdoor biomass
that generally form through condensation of
vaporized organic matter [Chylek et al., 2003].
However, biogenic emissions from trees, other
vegetation, and animals are also sources of
carbonaceous aerosols.Elemental carbon, in
the form of graphite, is the main cause of the
blackness of soot; it absorbs sunlight strongly
and almost uniformly across the solar spectrum.
However, the graphite seldom is pure carbon,
instead involving varying proportions of other
atoms.Furthermore,the carbonaceous aerosols
include an enormous variety of organic compounds
of carbon. |
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