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Monitoring of the atmospheric ozone layer and natural ultraviolet radiation. Annual Report 2022.

Svendby, Tove Marit; Fjæraa, Ann Mari; Nilsen, Anne-Cathrine; Schulze, Dorothea; Johnsen, Bjørn
Research report
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NILU-report-16-2023.pdf (2.132Mb)
URI
https://hdl.handle.net/11250/3089770
Date
2023
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  • NILU rapport / NILU report (2016- ) [194]
Abstract
This report summarizes the results from the Norwegian monitoring programme on stratospheric ozone and UV radiation measurements. The ozone layer has been measured at three locations since 1979: In Oslo/Kjeller, Tromsø/Andøya and Ny-Ålesund. The UV-measurements started in 1995. The results show that there was a significant decrease in stratospheric ozone above Norway between 1979 and 1997. After that, the ozone layer stabilized at a level ~2% below pre-1980 level. The year 2022 was characterized by annual average total ozone values slightly below “normal”.
 
Denne rapporten presenterer resultatene fra det norske måleprogrammet for totalozon og UV-stråling. Ozonlaget har blitt målt ved tre stasjoner siden 1979: I Oslo/Kjeller, Tromsø/Andøya og Ny-Ålesund. UV-målinger startet i 1995. Resultatene viser at det var en signifikant ozonreduksjon over Norge i perioden 1979 til 1997. Deretter stanset reduksjonen og ozonverdiene stabiliserte seg på et nivå ~2% lavere enn verdiene før 1980. Året 2022 var karakterisert ved ozonverdier litt under langtidsgjennomsnittet.
 
Publisher
NILU
Series
NILU report;16/2023
Norwegian Environment Agency;M-2575
Copyright
© Stiftelsen NILU

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