GEOPHYSICS Correction for “Increase of extreme events in a warming world,” by Stefan Rahmstorf and Dim Coumou, which appeared in issue 44, November 1, 2011, of Proc Natl Acad Sci USA (108:17905–17909; first published October 24, 2011; 10.1073/pnas.1101766108).
The authors note that on page 17906, left column, the equation
should instead appear as
On page 17909, right column, first full paragraph, lines 4–6: “Second of all, the event needs to actually occur at timestep tn, the probability of which is given by f(x,tn),” should instead appear as: “Second of all, the event needs to actually occur at timestep tn, the probability of which is given by p(x,tn).” Additionally, on page 17909, right column, the equation
should instead appear as
These errors do not affect the conclusions of the article.
