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Proceedings Paper

Total ozone content as input parameter for the prediction of the biologically effective UV radiation: analysis of the temporal and spatial variability over Austria
Author(s): Alois W. Schmalwieser; Guenther Schauberger; Stana Simic; Philipp Weihs; Michal Janouch; Karel Vanicek
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Paper Abstract

Beside the sun elevation angle, the total ozone content (TOC) of the atmosphere is a main input parameter of models to predict the biologically-effective UV radiation. Therefor TOC was analysed for the domain of Central Europe. The data domain contains the area from 7 degree(s)E to 17 degree(s)E in longitude and from 45 degree(s) to 50 degree(s) in latitude. Ground based as well as satellite based measurements from EPTOMS were involved. The temporal and spatial variability of TOC was analysed using auto-correlation and fitting auto- correlation functions. It becomes evident that temporal correlation decrease rapidly within the first 9 days down to the level of 1/e. From spatial correlation functions de- correlation distances (1/e) are estimated with 180 km E-W and 145 km for S-N direction. The analysis of TOC variability per 100 km for the domain of Austria was also examined. The results show that the highest values can reach up to 18%/100 km. Day-to-day variability for a certain location may exceed this level by a few percent (25%/day). These results show that for the calculation of the biologically effective UV radiation a high spatial resolution of TOC data is necessary to ensure an appropriate quality.

Paper Details

Date Published: 17 January 2002
PDF: 4 pages
Proc. SPIE 4482, Ultraviolet Ground- and Space-based Measurements, Models, and Effects, (17 January 2002); doi: 10.1117/12.452948
Show Author Affiliations
Alois W. Schmalwieser, Univ. of Veterinary Medicine Vienna (Austria)
Guenther Schauberger, Univ. of Veterinary Medicine Vienna (Austria)
Stana Simic, Univ. fuer Bodenkultur (Austria)
Philipp Weihs, Univ. fuer Bodenkultur (Austria)
Michal Janouch, Czech Hydrometeorological Institute (Czech Republic)
Karel Vanicek, Czech Hydrometeorological Institute (Czech Republic)

Published in SPIE Proceedings Vol. 4482:
Ultraviolet Ground- and Space-based Measurements, Models, and Effects
James R. Slusser; Jay R. Herman; Wei Gao, Editor(s)

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