Anomalies in Water Storage (IMAGE) ETH Zurich Caption The map shows anomalies in water storage estimated from perturbations of the Earth's gravity field. The year 2015 was particularly dry on average, with intense droughts over South America, South Africa and Eastern Europe. Credit Visualizations: ETH Zurich/Vincent Humphrey; data: NASA-GSFC Usage Restrictions None License Licensed content 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.