Monitoring of the atmospheric ozone layer and natural ultraviolet radiation. Annual Report 2018.
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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, 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. 2018 was characterized by low summer ozone values in Oslo and a record high annual integrated UV-dose.Overvåking av ozonlaget og naturlig ultrafiolett stråling: Årsrapport 2018.
Norwegian Environment Agency;M-1462/2019