δ18О values in Holocene and modern ice wedges at the Lorino site, Eastern Chukchi Peninsula

DOI

The oxygen isotope composition (δ18O) of ice wedges sampled in 2015 - 2017 and 2021 was analyzed in the stable isotope laboratory of the Geography Faculty at Lomonosov Moscow State University (Prof. Yu. Vasil'chuk and Dr. N. Budantseva). International water standards (SMOW, GISP, GRESP, and SLAP) were used for calibration. Analytical precision was ±0.4‰. Oxygen isotope compositions of ice wedges sampled in 2022 were carried out at the Resource Center X-ray Diffraction Research Methods of the Science Park of St. Petersburg State University (Dr. I. Tokarev). International reference materials (V-SMOW-2, GISP, SLAP, USGS-45, and USGS-46) were used for the calibration. Analytical precision was ±0.02‰.

The sampling was carried out using an axe, after first clearing 5-10 cm of ice from the surface.

Identifier
DOI https://doi.org/10.1594/PANGAEA.983476
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Metadata Access https://ws.pangaea.de/oai/provider?verb=GetRecord&metadataPrefix=datacite4&identifier=oai:pangaea.de:doi:10.1594/PANGAEA.983476
Provenance
Creator Vasil'chuk, Yurij K ORCID logo; Budantseva, Nadine A; Vasil'chuk, Alla Constantinovna (ORCID: 0000-0003-1921-030X); Maslakov, Alexey A ORCID logo; Tokarev, Igor V ORCID logo; Vasil'chuk, Jessica Yurevna ORCID logo
Publisher PANGAEA
Publication Year 2025
Funding Reference Russian scientific foundation https://doi.org/10.13039/501100006769 Crossref Funder ID 23-17-00082
Rights Creative Commons Attribution 4.0 International; https://creativecommons.org/licenses/by/4.0/
OpenAccess true
Representation
Resource Type Dataset
Format text/tab-separated-values
Size 89 data points
Discipline Earth System Research
Spatial Coverage (171.717 LON, 65.500 LAT); Chukotka, Russia