Light Absorption in Sea Water
by: Bogdian Wozniak , Jerzy Dera
This book takes a fresh, holistic approach to the problems of light
absorption and absorbers in seawaters, discussing the fundamentals of
light absorption at various depths in seawaters of different trophicity
by absorbers of diverse origin. The authors have drawn their information
from a substantial body of contemporary research results published in
the subject literature (over 700 references) as well as their own work
during the last 30 years. No other book presently available examines the
issues of light absorption and absorbers in seawaters in such a manner.
The book is intended primarily for students, engineers and scientists
professionally involved with the marine environment; nevertheless, the
authors hope that it will also find favor among all who take an interest
in the nature of our Earth, especially the seas and oceans. The
components most strongly differentiating the various types of sea/ocean
waters from the optical point of view the water itself, the organic and
inorganic substances dissolved in it, and the manifold particles
suspended in it receive comprehensive treatment. The spectral absorption
of light by pure water in its various states of matter and by atoms and
ions of sea salt is also given ample coverage. The interaction of light
with various kinds of organic molecules is analyzed in detail, as are
the light absorption spectra of the principal groups of these substances
present in the sea in dissolved form. The physical and chemical
properties, as well as the optical constants, of organic and inorganic
suspended particulate matter (SPM), are discussed in the context of
their relationship to the light absorption properties of SPM. Special
emphasis is placed on the role of the phytoplankton and the pigments it
contains which are particularly strong and important absorbers of
visible light in the sea.
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