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Ice Core

GISP2 drill dome, Greenland.  Photo by Mark Twickler.                    Ice Core from Quelccaya Ice Cap, Peru.  Photo by Lonnie Thompson                      Quelccaya Ice Cap, Peru.  Photo by Lonnie Thompson

The World Data Center (WDC) for Paleoclimatology maintains archives of ice core data from polar and low-latitude mountain glaciers and ice caps throughout the world. Proxy climate indicators include oxygen isotopes, methane concentrations, dust content, as well as many other parameters.

Obtaining Data at the World Data Center

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Contributing Data

Investigators who wish to contribute their data to our Ice Core archive can find information on contributing below. Data and study description information can be contributed by emailing your data to

Other Data Archives

Additional sources for data and information on ice cores and climate science.