ACPAtmospheric Chemistry and PhysicsACP1680-7324Copernicus GmbHGöttingen, Germany10.5194/acp-11-4687-2011Corrigendum to "Geomagnetic activity related NO<sub>x</sub> enhancements and polar surface air temperature variability in a chemistry climate model: modulation of the NAM index" published in Atmos. Chem. Phys., 11, 4521–4531, 2011BaumgaertnerA. J. G.15SeppäläA.23JöckelP.14ClilverdM. A.2Max Planck Institute for Chemistry, 55020 Mainz, GermanyBritish Antarctic Survey, Cambridge, UKFinnish Meteorological Institute, Helsinki, FinlandDeutsches Zentrum für Luft- und Raumfahrt (DLR), Institut für Physik der Atmosphäre, Oberpfaffenhofen, 82234 Weßling, Germanynow at: Deutsches Zentrum für Luft- und Raumfahrt (DLR), Project Management Agency, 53227 Bonn, Germany20052011111046874687This is an open-access article ditributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.This article is available from http://www.atmos-chem-phys.net/11/4687/2011/acp-11-4687-2011.htmlThe full text article is available as a PDF file from http://www.atmos-chem-phys.net/11/4687/2011/acp-11-4687-2011.pdf