One Thousand Centuries of Climatic Record from Camp Century on the Greenland Ice Sheet

Science  17 Oct 1969:
Vol. 166, Issue 3903, pp. 377-380
DOI: 10.1126/science.166.3903.377


A correlation of time with depth has been evaluated for the Camp Century, Greenland, 1390 meter deep ice core. Oxygen isotopes in approximately 1600 samples throughout the core have been analyzed. Long-term variations in the isotopic composition of the ice reflect the climatic changes during the past nearly 100,000 years. Climatic oscillations with periods of 120, 940, and 13,000 years are observed.