| Summary: | In the dataset, you will find the depth profile of stable oxygen isotopes taken from surface cores of the Holthedhalfonna glacier at Svalbard (79°09′N, 13°23′E; 1150 m a.s.l.). These samples were collected at a spatial resolution of 5 to 7 cm and retrieved in 2012, 2015, 2017, and 2019. The depth is converted to centimeters of water equivalent using density measurements. To align and merge the various cores, depth data from mass balance records available at www.mosj.no were used. All isotopic measurements were conducted utilizing a Picarro L1102-i analyzer coupled with a CTC Pal autosampler. Data for the 2012 cores are available in Spolaor et al. 2013, the 2015 core in Ruppel et al. 2017, and the 2017 core in Burgay et al. 2021. For additional information contact andrea.spolaor@cnr.it . This work has been supported by the “Programma di Ricerca in Artico” (PRA, project number PRA2019-0011, Sentinel); by the Svalbard Science Forum/Research Council of Norway through the Arctic Field Grant call (project ASIHAD, ISSICOS, BIOMASS), by French Polar Institute IPEV (Institut Polaire Français Paul-Emile Victor) science funding (programs 399 and 1192) and the Svalbard Strategic Grant (project C2S3, nr. 257636, SnowNet nr. 295779 and BC3D nr. 283466). This project has received funding from the European Union's Horizon 2020 research and innovation programme under grant agreement no.689443 via project iCUPE (Integrative and Comprehensive Understanding onPolar Environments). This research has been partially funded by the University of Perugia Research Action no. 5 “Climate, Energy, and Mobility”. Cryogrid simulations have been supported by the Nansen Legacy project (Research Council of Norway grant 276730) and SIOS infraNor (Research Council of Norway grant 269927).
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