%0 Journal Article %J Journal of Climate Dynamics %D 2011 %T Spatiotemporal drought variability in northwestern Africa over the last nine centuries %A Ramzi Touchan %A Anchukaitis, K. J. %A David Meko %A Sabir, Mohammad %A Attalah, S. %A Aloui, A. %B Journal of Climate Dynamics %V 37 %P 237–252 %G eng %& 237 %R 10.1007/s00382-010-0804-4