Nathaniel B. Palmer (IMAGE) Columbia Climate School Caption Scientists aboard the Nathaniel B. Palmer visited the Amundsen Sea region in 2009 to study oceanic changes. Credit Frank Nitsche, Lamont-Doherty Earth Observatory. Usage Restrictions please credit LDEO 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.