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Books > Science & Mathematics > Chemistry > Physical chemistry > Nuclear chemistry, photochemistry & radiation
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Atmospheric Chemistry (Hardcover, Edition.)
Loot Price: R976
Discovery Miles 9 760
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Atmospheric Chemistry (Hardcover, Edition.)
Expected to ship within 10 - 15 working days
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Atmospheric Chemistry provides readers with a basic knowledge of
the chemistry of Earth's atmosphere, and an understanding of the
role that chemical transformations play in this vital part of our
environment. The composition of the 'natural' atmosphere
(troposphere, stratosphere and mesosphere) is described in terms of
the physical and chemical cycles that govern the behaviour of the
major and the many minor species present, and of the atmospheric
lifetimes of those species. An extension of these ideas leads to a
discussion of the impacts of Man's activities on the atmosphere,
and to an understanding of some of the most important environmental
issues of our time. One thread of the book explains how living
organisms alter the composition and pressures in the atmosphere,
modify temperatures, and change the intensity and
wavelength-distribution of light arriving from the Sun. Meanwhile,
the living organisms on Earth have depended on these very same
environmental conditions being satisfactory for the maintenance and
evolution of life. There thus appear to be two-way interactions
between life and the atmosphere. Man, just one species of living
organism, has developed an unfortunate ability to interfere with
the feedbacks that seem to have maintained the atmosphere to be
supportive of surface life for more than 3.5 billion years. This
book will help chemists to understand the background to the
problems that arise from such interference. The structure of the
book and the development of the subject deviate somewhat from those
usually encountered. Important and recurring concepts are presented
in outline first, before more detailed discussions of the
atmospheric behaviour of specific chemical species. Examples of
such themes are the sources and sinks of trace gases, and their
budgets and lifetimes. That is, the emphasis is initially on the
principles of the subject, with the finer points emerging at later
points in the book, sometimes in several successive chapters. In
this way, some of the core material gets repeated exposure, but in
new ways and in new contexts. The book is written at a level that
makes it accessible to undergraduate chemists, and in a manner that
should make it interesting to them. However, the material presented
forms a solid base for those who are extending their studies to a
higher level, and it will also provide non-specialists with the
background to an understanding of Man's several and varied threats
to the atmosphere. Well-informed citizens can then better assess
measures proposed to prevent or alleviate the potential damage, and
policy makers more realistically formulate the necessary controls
on a sound scientific foundation.
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