largest rivers (IMAGE) University of Massachusetts Amherst Caption This map illustrates significant changes in 6,167 reaches of the largest rivers on earth—44.2% saw decreases in streamflow and 11.9% saw increases over 35 years. Credit Dongmei Feng, Colin Gleason Usage Restrictions To be used in coverage of the study "More flow upstream and less flow downstream: The changing form and function of global rivers" License Original 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.