The 2009 ICTP Prize in honor of Edward Norton Lorenz, is awarded to Professor Marcelo Barreiro, Atmospheric Sciences Unit, School of Sciences, Universidad de la República, Montevideo, Uruguay.
The Prize recognizes Professor Barreiro's important contributions in the field of tropical Atlantic variability, and the exploration of dynamical mechanisms to explain the paleo-climatic record in the last few million years. The results of his investigations have important implications for seasonal forecasting and the climate change debate.