Detection of stratospheric ozone trends by ground-based microwave observations

Brian J. Connor; Alan Parrish; Jung-Jung Tsou

doi:10.1117/12.46665

1 September 1991 Detection of stratospheric ozone trends by ground-based microwave observations

Brian J. Connor, Alan Parrish, Jung-Jung Tsou

Proceedings Volume 1491, Remote Sensing of Atmospheric Chemistry; (1991) https://doi.org/10.1117/12.46665
Event: Orlando '91, 1991, Orlando, FL, United States

Abstract

We present an assessment of the trend detection capabilities of ground-based microwave measurements of ozone, focusing on the 20-60 km region. Uncertainty due to variable forward model and calibration errors is 3-5 percent; due to temperature profile errors, 1-2 percent; and due to spectral measurement errors, 1-3 percent. The measurement resolution is 8-10 km below 40 km, and increases to 17 km at 60 km. The net error for trend detection is 4-6 percent. Comparison with other measurements suggests interannual variations can be measured to 3-5 percent. We conclude a trend of 0.5 percent per year would be detected in about 10 years.

Citation Download Citation

Brian J. Connor, Alan Parrish, and Jung-Jung Tsou "Detection of stratospheric ozone trends by ground-based microwave observations", Proc. SPIE 1491, Remote Sensing of Atmospheric Chemistry, (1 September 1991); https://doi.org/10.1117/12.46665

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