Part of book/report Ozone and UV radiation. Bernhard, G.; Manney, G.; Fioletov, V.; Grooß, J.-U.; Heikkilä, A.; Johnsen, B.; Koskela, T.; Lakkala, K.; Müller, R.; Myhre, C.L.; Rex, M. Publication details Book: Arctic Report Card 2011, 2011 Link: http://www.arctic.noaa.gov/reportcard