Sediment Core (image) University of Delaware Share Print E-Mail Caption A sediment core was collected and brought to shipboard near bay bridge (Maryland USA) where the main water column data of the Cai et al. paper came from. Credit University of Delaware Usage Restrictions None Share Print E-Mail 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.