Aquifer Map (IMAGE) University of California - Santa Barbara Caption This paper provides the most comprehensive account yet of trends in groundwater levels around the world. Darker colors indicate changes of 10 cm/year or more. Credit Jasechko et al. Usage Restrictions Credit must be given to the creator. License CC BY 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.