Robert DeConto, University of Massachusetts at Amherst (image) University of Massachusetts at Amherst Share Print E-Mail Caption Rob DeConto of UMass Amherst offers a new study that combines a well-established sea-level rise projection framework plus a model of Antarctic ice-sheet instability. He and lead author Robert Kopp of Rutgers suggest that scientists won't be able to determine until the 2060s which of two different sea-level rise scenarios is most likely to occur. Credit UMass Amherst 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.