GISP2 major ion concentrations in parts per billion (ppb) by mass. Blanks in chemical species represent samples below detection limits. Firn samples were cleaned in the freezer by hand scraping and placed in a pre-cleaned container. The pieces were kept frozen until analyzed. Samples from 96 meters to 200 meters were cleaned by rinsing with milli-Q water. Samples below 200 meters were cleaned by hand scraping after sectioning.
This data center is not currently reporting usage information. For information on how your repository can submit usage information, please see our documentation.
We found no citations for this dataset. For information on how to provide citation information, please see our documentation.