Climate Change Speeds Up Gully Erosion (IMAGE) KU Leuven Caption "In a tropical area, a gully can sometimes grow up to 100 metres in length due to one downpour. This may have serious consequences in populated areas," says researcher Matthias Vanmaercke. The picture shows a gully in Mbuji-Mayi, Congo. Credit © Matthias Vanmaercke Usage Restrictions The image may only be used with appropriate caption or credit. 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.