academic article

• Evaluating Spatial Scales of Climate Variability in Sub-Saharan Africa.  Theory in Applied Climatology.  88:169-177. 2007
• Tropical Atlantic Variability and Indo Pacific ENSO: Statistical Analysis and Numerical Simulation.  Global Atmosphere Ocean Systems.  7:107-124. 2000
• Drought over Southern Africa and Indian Ocean SST: Statistical Correlations and GCM Results.  Global Atmosphere Ocean Systems.  4:47-63. 1996