Total ozone content as input parameter for the prediction of the biologically effective UV radiation: analysis of the temporal and spatial variability over Austria

Alois W. Schmalwieser; Guenther Schauberger; Stana Simic; Philipp Weihs; Michal Janouch; Karel Vanicek

doi:10.1117/12.452948

17 January 2002 Total ozone content as input parameter for the prediction of the biologically effective UV radiation: analysis of the temporal and spatial variability over Austria

Alois W. Schmalwieser, Guenther Schauberger, Stana Simic, Philipp Weihs, Michal Janouch, Karel Vanicek

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Proceedings Volume 4482, Ultraviolet Ground- and Space-based Measurements, Models, and Effects; (2002) https://doi.org/10.1117/12.452948
Event: International Symposium on Optical Science and Technology, 2001, San Diego, CA, United States

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.

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Alois W. Schmalwieser, Guenther Schauberger, Stana Simic, Philipp Weihs, Michal Janouch, and Karel Vanicek "Total ozone content as input parameter for the prediction of the biologically effective UV radiation: analysis of the temporal and spatial variability over Austria", Proc. SPIE 4482, Ultraviolet Ground- and Space-based Measurements, Models, and Effects, (17 January 2002); https://doi.org/10.1117/12.452948

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KEYWORDS

Radiation effects

Ultraviolet radiation

Ozone

Biological research

Atmospheric modeling

Observatories

Solar radiation models

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