Interaction of atmospheric NO3 radicals with DMS in coastal air

Theo Brauers; Hans-Peter Dorn; Rudolf Neuroth; Ulrich Platt

doi:10.1117/12.140188

12 February 1993 Interaction of atmospheric NO₃ radicals with DMS in coastal air

Theo Brauers, Hans-Peter Dorn, Rudolf Neuroth, Ulrich Platt

Proceedings Volume 1715, Optical Methods in Atmospheric Chemistry; (1993) https://doi.org/10.1117/12.140188
Event: Environmental Sensing '92, 1992, Berlin, Germany

Abstract

DOAS measurements of NO₃, NO₂, and O₃ were performed on the French Atlantic coast in June 1989. The use of two light paths of 6 km length covering the altitude intervals of 5 m - 10 m and 5 m - 40 m allowed the observation of vertical NO₃ concentration gradients. Since the NO₃ precursors (NO₂ and O₃) did not show significant differences on the two light paths altitude dependent sinks must be considered. Simultaneously measured DMS concentrations at 1 m and 40 m altitude showed a vertical gradient with higher values at ground level during all nights. For 3 (of 10) nights measured DMS concentrations and gradients could explain the observed NO₃ behavior.

Citation Download Citation

Theo Brauers, Hans-Peter Dorn, Rudolf Neuroth, and Ulrich Platt "Interaction of atmospheric NO₃ radicals with DMS in coastal air", Proc. SPIE 1715, Optical Methods in Atmospheric Chemistry, (12 February 1993); https://doi.org/10.1117/12.140188

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