U.S. Antarctic Program (USAP) Photo Library
United States Antarctic Program United States Antarctic Program Logo U.S. National Science Foundation Logo
Find All Keywords
Find the Exact Phrase
Find Any Keywords
Exclude Keywords
Date Range to
Search In
Order By
Sort:
A person holding an ice core sample.
Date Taken:
December 12, 2017
Photograph By:
Dr. Jaakko Putkonen
License Type:
Creative Commons CC BY-NC-ND 4.0.

Principal Investigator Jaakko Putkonen, University of North Dakota, and his research team discovered ancient ice buried under sediments in the Ong Valley floor of Antarctica. There was a lot of variation in the ice cores that the team recovered, some sections were clear clean ice, while others were full of rocks and sediment. Read about this team's work in The Antarctic Sun.

By downloading this image, you agree to be bound by the terms and conditions of the image license.

This photo is in the public domain.

Photos whose copyright has expired or were taken by government employees as part of their job duties are considered to be in the public domain. Public domain works are not subject to copyright laws. Anyone may download these photos and use them freely, even for commercial purposes.

Attribution is not legally required for public domain photos but is strongly recommended.

This photo is covered by a Creative Commons license. Please see the Usage and Submissions page for more information. Use of this photo requires the following:

(1.) The user must give appropriate credit to the photographer and the National Science Foundation (NSF) and provide a link to the Creative Commons license. (2.) Use of the photo must be for non-commercial purposes only. (3.) No derivative works may be made with the original photo without the explicit permission of the photographer.