Written as an authoritative guide to the techniques of instrumental measurement for the atmospheric scientist, research student or undergraduate, Analytical Techniques for Atmospheric Measurement focuses on the instruments used to make real time measurements of atmospheric composition:

• how they work
• their strengths and weaknesses for a particular task
• the platforms on which they have been deployed
• how they are calibrated

It also explains the fundamental principles upon which the instrumental techniques are based (ie what property of a molecule can be exploited to enable its detection), what limits instrumental sensitivity and accuracy, and the information that can be gained from their use.

Contents

Field measurements of atmospheric composition

• The role of field measurements in atmospheric science
• Scope, structure and content of this book
• Measurement of atmospheric composition
• Instrument platforms
• Analytical methods not covered elsewhere in this book
• Quality assurance and quality control
• Atmospheric chemistry and policy
• Major field campaigns for measurement of atmospheric composition
• Instrumented chambers for the study of simulated atmospheres

Infrared Absorption Spectroscopy

• Fundamentals of infrared absorption spectroscopy
• Quantitative Trace Gas Measurements Employing IR Absorption Spectroscopy
• Trace Gases in the Atmosphere
• Measurement Approaches Employing IR Absorption Spectroscopy
• Advances in Atmospheric Studies Employing IR Absorption Measurements and Future Directions

UV-visible Differential Optical Absorption Spectroscopy (DOAS)

• Principles of differential optical absorption spectroscopy
• DOAS using artificial light sources
• DOAS using scattered sunlight

Fluorescence Methods

• Basic Aspects of Fluorescence Measurements
• The Hydroxyl Radical
• The Nitrogen Oxides
• Detection of halogen compounds

Mass spectrometric methods for atmospheric trace gases

• Fundamentals
• Key Elements of a Mass Spectrometer
• Spectrometry used in Atmospheric Research

Mass Spectrometric Methods for Aerosol Composition Measurements

• Introduction to atmospheric aerosols
• Physical aerosol measurements and sizing definitions
• Particle composition
• Online aerosol mass spectrometry
• Analysis of ambient data
• Applications of aerosol mass spectrometric techniques to atmospheric aerosol sampling

Chemical Methods: Chemiluminescence, Chemical Amplification, Electrochemistry and Derivatization

• O3 via Heterogeneous Chemiluminescence
• O3 via Electrochemistry
• Nitrogen Compounds (NO, NO2, NOy) via Chemiluminescence with O3
• Ozone via Homogeneous Chemiluminescence
• NO2 via Luminol
• Peroxides, HCHO, HONO, and OH via Liquid Techniques
• Isoprene via O3 Chemiluminescence
• Peroxy Radicals via Chemical Amplification

Chromatographic methods

• Gas Chromatography
• Liquid Chromatography

Measurement of Photolysis Frequencies in the Atmosphere

• Methods for Measuring Photolysis Frequencies
• Chemical Actinometry
• Actinic-Flux Spectroradiometry
• Actinic-Flux Filter Radiometry
• Irradiance Radiometry
• Modelling of Photolysis Frequencies
• Sample Applications

Index

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