1. Effects of postdepositional processing on nitrogen isotopes of nitrate in the Greenland Ice Sheet Project 2 ice core Zatko, Maria C.; Alexander, Becky; Geng, Lei; Fudge, T. J.; Schauer, Andrew J.; Murray, Lee T.; Mickley, Loretta J. 2015 Articles Atmospheric depositionNitratesAtmospheric chemistryGeophysicsGeochemistryPaleoclimatologyGreenland Ice Sheet Project Two