Dr. Josefina Olascoaga, University of Miami (image) University of Miami Rosenstiel School of Marine & Atmospheric Science Share Print E-Mail Caption An article published in the Proceedings from the National Academy of Sciences by Drs. Josefina Olascoaga (University of Miami) and George Haller (McGill University) details the collaboration between these scientists which have developed mathematical methods to predict the movement of oil in water that are equally applicable to the spread of ash in the air, following a volcanic explosion, using Lagrangian Coherent Structures. Credit UM/RSMAS Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.