James Sickman, UC Riverside (image) University of California - Riverside Caption James Sickman is a professor of hydrology and the chair of the Department of Environmental Sciences at UC Riverside. Credit Sickman Lab, UC Riverside. Usage Restrictions None 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.