Acosta Navarro, J. C.
Varma, V.
Riipinen, I.
Seland, Ø.
Kirkevåg, A.
Struthers, H.
Iversen, T.
Hansson, H.-C.
Ekman, A. M. L. https://orcid.org/0000-0001-5375-0639
Article History
Received: 16 November 2015
Accepted: 9 February 2016
First Online: 14 March 2016
Change Date: 5 May 2016
Change Type: Corrigendum
Change Details: In the version of the Letter originally published, the following reference was mistakenly omitted: '27. Yang, Q., Bitz, C. M. & Doherty, S. J. Offsetting effects of aerosols on Arctic and global climate in the late 20th century. Atmos. Chem. Phys.14, 3969–3975 (2014).' This should have been cited with ref. 25 at the end of the sentence beginning 'Over the past 100 years...'. The original refs 27–31 have been renumbered accordingly. This has been corrected in the online versions of the Letter.
Competing interests
: The authors declare no competing financial interests.