Journal article
Electrochemical concentration cell ozonesonde accuracy and precision
Journal of Geophysical Research: Atmospheres, v 90(D5), pp 7881-7887
20 Aug 1985
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
The accuracy and precision of electrochemical concentration cell ozonesondes using 1.5% KI sensing solution were measured as a function of pressure altitude from 800 to 6 mbar. Measurements were made in an environmental chamber designed to monitor the instruments' response while subjecting them to ozone, pressure, and temperature profiles typical of those encountered during balloon‐borne soundings. Data from dual‐instrument balloon soundings were used to provide an independent estimate of precision. The precision was found to be 6–10% (one standard deviation) from 800 to 200 mbar, 5–6% from 200 to 10 mbar, and thereafter increasing to 16% at 6 mbar. The accuracy profile indicated a 3–5% positive error from 300 to 50 mbar. Larger positive errors were observed from 800 to 300 mbar (8–14%) and from 50 to about 15 mbar (10%). The error curve then rapidly rolled off toward negative values, reaching −17% at 6 mbar. Use of new pumping efficiency measurement techniques should improve both accuracy and precision by 2–3% at the lowest pressures but would increase the accuracy error in the 50‐ to 15‐mbar range by about the same amount.
Metrics
Details
- Title
- Electrochemical concentration cell ozonesonde accuracy and precision
- Creators
- Robert A. BarnesAlan R. Bandy - Drexel UniversityArnold L. Torres - Wallops Flight Facility
- Publication Details
- Journal of Geophysical Research: Atmospheres, v 90(D5), pp 7881-7887
- Publisher
- Wiley
- Number of pages
- 7
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Drexel University
- Web of Science ID
- WOS:A1985APG0600003
- Scopus ID
- 2-s2.0-0022168671
- Other Identifier
- 991022047816904721
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- Collaboration types
- Domestic collaboration
- Web of Science research areas
- Meteorology & Atmospheric Sciences