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Ice core dating

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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. 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 paleo noaa.
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Ice Core Dating

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(PDF) Methods for Dating Ice Cores | Melanie Goral - kerbjournal.com

Jump to navigation. Posted by Don Keyes on September 03, at Do you know if ice core dating is accurate. I heard that Antarctica had ice rings like tree rings that go back 50, years undisturbed by a flood.
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Ice core basics

Ice core , long cylinder of glacial ice recovered by drilling through glaciers in Greenland, Antarctica , and high mountains around the world. Scientists retrieve these cores to look for records of climate change over the last , years or more. Ice cores were begun in the s to complement other climatological studies based on deep-sea cores, lake sediments, and tree-ring studies dendrochronology. Since then, they have revealed previously unknown details of atmospheric composition , temperature, and abrupt changes in climate.
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An ice core is a core sample that is typically removed from an ice sheet or a high mountain glacier. Since the ice forms from the incremental buildup of annual layers of snow, lower layers are older than upper, and an ice core contains ice formed over a range of years. Cores are drilled with hand augers for shallow holes or powered drills; they can reach depths of over two miles 3. The physical properties of the ice and of material trapped in it can be used to reconstruct the climate over the age range of the core.
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