GSFC optical ozonesonde results during the Gap, France, intercomparisons, June 1981
Abstract
A GSFC Super Loki optical ozonesonde instrument was flown as part of the ozone sensor intercomparison balloon campaign at Gap, France, in June 1981. A primary objective was to confirm biases between external absorption techniques, such as the GSFC sonde, and in situ techniques, which include ECC, Mast-Brewer, and DASIBI sondes. Ozone distributions were obtained with the GSFC sonde on three of the four ascent-descent legs of the first flight on 19 June. Ozone densities were measured redundantly over altitudes from 22 to 32 km using filters centered at 303 and 300 nm. The three profiles obtained by averaging the data from the two channels are in close agreement with an average S.E. of 1.4%. However, small but consistent differences were found between the ozone densities measured at the two wavelengths. The average difference is 5% using Vigroux cross sections and 4% using preliminary Bass cross sections. The integral ozone amount above the first ceiling altitude of 32.85 km was determined by the Langley plot method to be 45 D.U. The total ozone derived by integrating the optical ozonesonde and ECC profiles is within 2% of the Chiran Dobson Spectrophotometer observation based on a pre-campaign calibration but is 9% greater than the amount derived using a post-campaign calibration.
- Publication:
-
Planetary and Space Science
- Pub Date:
- July 1983
- DOI:
- 10.1016/0032-0633(83)90124-1
- Bibcode:
- 1983P&SS...31..749K
- Keywords:
-
- Atmospheric Composition;
- Atmospheric Sounding;
- Balloon-Borne Instruments;
- Ozone;
- Vertical Distribution;
- Calibrating;
- Data Processing;
- Flight Operations;
- France;
- Radiosondes;
- Stratosphere;
- Total Ozone Mapping Spectrometer;
- Geophysics