Abstract

We present a novel technique for retrieving ozone (O3) profiles and especially tropospheric O3 from airborne UV/visible spectrometer measurements. This technique utilizes radiance spectra from one down-looking and two up-looking (85° and 75°) directions, taking advantage of the O3 absorption structure in the Huggins (300–340-nm) and Chappuis (530–650-nm) bands. This technique is especially sensitive to tropospheric O3 below and ≤8 km above the aircraft with a vertical resolution of 2–6 km and is sensitive to lower and middle stratospheric O3 with a vertical resolution of 8–15 km. It can measure tropospheric O3 at spatial resolutions of 2 km × 2 km or higher and is therefore well suited for regional air-quality studies and validation of satellite measurements.

© 2005 Optical Society of America

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