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| Titel |
Validation of ozone monthly zonal mean profiles obtained from the version 8.6 Solar Backscatter Ultraviolet algorithm |
| VerfasserIn |
N. A. Kramarova, S. M. Frith, P. K. Bhartia, R. D. McPeters, S. L. Taylor, B. L. Fisher, G. J. Labow, M. T. DeLand |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
1680-7316
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| Digitales Dokument |
URL |
| Erschienen |
In: Atmospheric Chemistry and Physics ; 13, no. 14 ; Nr. 13, no. 14 (2013-07-23), S.6887-6905 |
| Datensatznummer |
250018770
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| Publikation (Nr.) |
 copernicus.org/acp-13-6887-2013.pdf |
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| Zusammenfassung |
| We present the validation of ozone profiles from a number of Solar
Backscatter Ultraviolet (SBUV and SBUV/2) instruments that were recently
reprocessed using an updated (version 8.6) algorithm. The SBUV data record
spans a 41 yr period from 1970 to 2011 with a 5 yr gap in the 1970s. The
ultimate goal is to create a consistent, well-calibrated data set of ozone
profiles that can be used for climate studies and trend analyses. SBUV ozone
profiles have been intensively validated against satellite profile
measurements from the Microwave Limb Sounders (MLS) (on board the UARS and
Aura satellites) and the Stratospheric Aerosol and Gas Experiment (SAGE II)
and ground-based observations from the microwave spectrometers, lidars,
Umkehr instruments and balloon-borne ozonesondes. In the stratosphere between
25 and 1 hPa the mean biases and standard deviations are mostly within
5% for monthly zonal mean ozone profiles. Above and below this layer the
vertical resolution of the SBUV algorithm decreases. We combine several
layers of data in the troposphere/lower stratosphere to account for the lower
resolution. The bias in the SBUV tropospheric/lower stratospheric combined
layer relative to similarly integrated columns from Aura MLS, ozonesonde and
Umkehr instruments varies within 5%. We also estimate the drift of the
SBUV instruments and their potential effect on the long-term stability of the
combined data record. Data from the SBUV instruments that collectively cover
the 1980s and 2000s are very stable, with drifts mostly less than 0.5%
per year. The features of individual SBUV(/2) instruments are discussed and
recommendations for creating a merged SBUV data set are provided. |
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