Hanna, E. J. Jones, J. Cappelen, S.H. Mernild, L. Wood, K. Steffen and P. Huybrechts: The influence of North Atlantic atmospheric and oceanic forcing effects on 1900–2010 Greenland summer climate and ice melt/runoff. 30 March 2013. International Journal of Climatology. 33, Issue 4, 862–88.
A monthly index will be available.
A daily and monthly GBI from the 20th Century Reanalysis will be available.