Observatoire de Haute Provence (OHP), 44°N, 6°E

UV/Vis zenith-sky DOAS (Differential Optical Absorption Spectroscopy):

Morning and evening twilight observations of ozone, NO₂, BrO and H₂CO. Existing time-series extend back to 1998.

Picture courtesy:
M. Van oozendael, BIRA-IASB

 

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