TY - JOUR A1 - Lyon, B. T1 - Robustness of the influence of El NiƱo on the spatial extent of tropical drought JO - Adv. Geosci. J1 - ADGEO VL - 6 SP - 207 EP - 209 Y1 - 2006/02/06 PB - Copernicus Publications SN - 1680-7340 UR - http://www.adv-geosci.net/6/207/2006/ L1 - http://www.adv-geosci.net/6/207/2006/adgeo-6-207-2006.pdf DO - 10.5194/adgeo-6-207-2006 ER -