Delworth, Thomas L.
Zeng, Fanrong
Article History
Received: 4 April 2014
Accepted: 10 June 2014
First Online: 13 July 2014
Change Date: 17 July 2014
Change Type: Correction
Change Details: In the version of this Letter originally published online, in Fig. 2a and b the text labels relating to the years were swapped. This has now been corrected in all versions of the Letter.
Competing interests
: The authors declare no competing financial interests.