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Sterling, Chance W. [Author]; Johnson, Bryan J. [Author]; Oltmans, Samuel J. [Author]; Smit, Herman G.J. [Author]; Jordan, Allen F. [Author]; Cullis, Patrick D. [Author]; Hall, Emrys G. [Author]; Thompson, Anne M. [Author]; Witte, Jacquelyn C. [Author]

Homogenizing and estimating the uncertainty in NOAA's long-term vertical ozone profile records measured with the electrochemical concentration cell ozonesonde

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  • Media type: E-Article
  • Title: Homogenizing and estimating the uncertainty in NOAA's long-term vertical ozone profile records measured with the electrochemical concentration cell ozonesonde
  • Contributor: Sterling, Chance W. [Author]; Johnson, Bryan J. [Author]; Oltmans, Samuel J. [Author]; Smit, Herman G.J. [Author]; Jordan, Allen F. [Author]; Cullis, Patrick D. [Author]; Hall, Emrys G. [Author]; Thompson, Anne M. [Author]; Witte, Jacquelyn C. [Author]
  • Published: Copernicus, 2018
  • Published in: Atmospheric measurement techniques 11(6), 3661 - 3687 (2018). doi:10.5194/amt-11-3661-2018
  • Language: English
  • DOI: https://doi.org/10.5194/amt-11-3661-2018
  • ISSN: 1867-1381; 1867-8548
  • Origination:
  • Footnote: Diese Datenquelle enthält auch Bestandsnachweise, die nicht zu einem Volltext führen.
  • Description: NOAA's program of long-term monitoring of the vertical distribution of ozone with electrochemical concentration cell (ECC) ozonesondes has undergone a number of changes over the 50-year record. In order to produce a homogenous data set, these changes must be documented and, where necessary, appropriate corrections applied. This is the first comprehensive and consistent reprocessing of NOAA's ozonesonde data records that corrects for these changes using the rawest form of the data (cell current and pump temperature) in native resolution as well as a point-by-point uncertainty calculation that is unique to each sounding. The reprocessing is carried out uniformly at all eight ozonesonde sites in NOAA's network with differences in sensing solution and ozonesonde types accounted for in the same way at all sites. The corrections used to homogenize the NOAA ozonesonde data records greatly improve the ozonesonde measurements with an average one sigma uncertainty of ±4–6% in the stratosphere and ±5–20% in the troposphere. A comparison of the integrated column ozone from the ozonesonde profile with co-located Dobson spectrophotometers total column ozone measurements shows agreement within ±5% for >70% of the profiles. Very good agreement is also found in the stratosphere between ozonesonde profiles and profiles retrieved from the Solar Backscatter Ultraviolet (SBUV) instruments.
  • Access State: Open Access