Broad-band cavity ring-down spectroscopy

Article Abstract:

A brief review of the fundamentals of 'traditional' cavity ring-down spectroscopy (CRDS) using essentially monochromatic light sources and the use of such techniques in quantifying weak absorptions is given. With the help of differential optical absorption spectroscopy (DOAS) technique it is demonstrated that broad-band instruments offers substantial potential for the measurements of important trace species in the atmosphere.

Absorption spectra, Optical research

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Isotopes of volatile organic compounds: an emerging approach for studying atmospheric budgets and chemistry

Article Abstract:

The rapid development of the use of carbon isotopes to study atmospheric volatile organic compounds (VOCs) highlights the power of isotopic information to constrain atmospheric budgets and provide information on atmospheric processing. Atmospheric stable isotope measurements and kinetic isotope effects can also be used to study larger scale photochemistry.

Usage, Carbon isotopes, Volatile organic compounds

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Reactions on mineral dust

Article Abstract:

Mineral dust and its role in altering atmospheric processes are highlighted. Some aspects of the physical and chemical properties of mineral dust, known transport processes, environmental implications, and the first atmospheric chemistry models that include heterogeneous reactions are summarized.

Minerals, Minerals (Geology), Chemical properties

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