The behavior of ozone near the stratopause from two years of BUV observations

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Abstract
Two years of Nimbus 4 backscattered ultraviolet data have been recalibrated and reprocessed. A Laplace transform inversion was applied to radiances at 2876 Å and below for 560,000 individual scans for the period April 1970–May 1972. The behavior of ozone near 50 km as a function of time, latitude, and longitude is presented. The high‐latitude 1‐mbar ozone mixing ratio is maximum at the winter solstice, about 10μg/g and is minimum at the summer solstice, about 4μg/g. Below 30° latitude the ozone is fairly constant at 4μg/g. Ozone variability is large in winter and spring and small in summer and fall.