Water isotopologues of near-surface polar snow from short (1-m) snow cores, extracted from the EastGRIP site on Greenland Ice Sheet during summers 2017-2019 with age-depth model ...

• Main Authors: Town, Michael S, Steen-Larsen, Hans Christian, Wahl, Sonja, Faber, Anne-Katrine
• Format: Article in Journal/Newspaper
• Language: English
• Published: PANGAEA 2023
• Subjects: EastGRIP; Greenland; snow cores; water isotopes; East Greenland Ice-core Project EGRIP; Signals from the Surface Snow Post-Depositional Processes Controlling the Ice Core Isotopic Fingerprint SNOWISO; East Greenland; East Greenland Ice-core Project; Greenland ice core; Greenland Ice core Project; ice core; Ice Sheet
• Online Access: https://dx.doi.org/10.1594/pangaea.958540; https://doi.pangaea.de/10.1594/PANGAEA.958540

Four data sets of water isotopologues and their products based on a time-resolved array of 1-m snow profiles extracted from the EastGRIP site on the Greenland Ice Sheet. This data product is derived from two data sets from the same EastGRIP site (Behrens et al, 2023; Steen-Larsen et al., 2023). Snow profiles were extracted during the summer field seasons of 2017, 2018, and 2019. They were extracted along a wind-aligned transect approximately 300 m long. All snow profiles were taken 1-cm resolution from 0-10 cm, and 2-cm resolution from 10-100 cm. The 1-sigma uncertainty of the d18O data is 0.11 ‰. The 1-sigma uncertainty of the dD data is 0.8 ‰. Most snow profiles are not the full 100 cm depth due to compression and loss during extraction. Each extraction date represents a time when snow cores were taken at up to six different tracks spaced 50 m apart along a line perpendicular to the prevailing (westward) wind direction. Taken together, these profiles represent a large area of the ice sheet, mitigating ...