Nathaniel B. Palmer (image) The Earth Institute at Columbia University Share Print E-Mail 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 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.