2013 | OriginalPaper | Buchkapitel
Absorption and scattering by molecules and particles
verfasst von : Jacqueline Lenoble, Michael I. Mishchenko, Maurice Herman
Erschienen in: Aerosol Remote Sensing
Verlag: Springer Berlin Heidelberg
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The Earth’s atmosphere absorbs, scatters, and emits electromagnetic radiation. Although air molecules are the primary actors in these processes, aerosol particles are also present ubiquitously (see Chapter 1) and modify the radiation field. In fact, this modification constitutes the very physical basis of aerosol remote sensing. Whenever clouds are present, they have a much larger influence on radiation which largely overshadows the aerosol impact. Therefore, in aerosol remote sensing, one often has to limit observations to cloudless conditions and screen cloudy pixels.