10.1594/PANGAEA.969147Dolle, Madina LuciaMadina LuciaDolle0009-0004-1683-2909Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, PotsdamLaurent, MélissaMélissaLaurent0000-0002-2347-479XAlfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, PotsdamVollmer, JonasJonasVollmerAlfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, PotsdamTreat, Claire CClaire CTreat0000-0002-1225-8178Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, PotsdamPANGAEA2025AlaskacoastDrained Lake BasinPermafrostpermafrost soilsaltsalt-affected soilsSalt waterUplandsEvent labelCampaignCoreLATITUDELONGITUDECountryState of permafrostSiteSample positionDEPTH, soilCarbon, totalCarbon, organic, totalNitrogen, totalCarbon/Nitrogen ratioδ13C, organic carbonSoil water contentDensity, dry bulkpHConductivity, electricalCarbon, organic, dissolvedSulfateChlorideSIPRE corerCarbon Analyzer, Elementar, soli TOC cubeNitrogen Analyzer, Elementar, rapid MAX N exceedCalculatedMass spectrometer, ThermoFischer, Delta-VCalculated from weight loss after freeze dryingDry mass per unit sample volumeWTW MultiLab 540Handheld meter, WTW, Cond 340iHigh temperature catalytic oxidation (Shimadzu TOC-VCPH)Ion Chromatography System (ICS), Thermo Scientific, Dionex ICS-2100AK-Land_2022_NorthSlopeAWI Arctic Land Expedition2022-04-21T00:00:00/2022-04-22T00:00:00Dataset10.1002/ppp.70011192 data pointstext/tab-separated-valuesCreative Commons Attribution 4.0 InternationalThe dataset reports soil data of soil samples sourced from two permafrost cores taken in April 2022 near Utqiagvik, Alaska, USA. For one half of both permafrost cores, the upper meter was subsampled into four layers each. From each layer, a small part was used for soil parameter analysis and a bigger part was used for an incubation (see doi:10.1594/PANGAEA.969148). For the soil parameter analysis, pore water was extracted after thawing the samples (n = 8) to measure pH, electrical conductivity and dissolved organic matter. Afterwards, remaining sediment was freeze-dried and the parameters TC, TOC, TN and delta C13 were determined. Additional pore water samples were used to determine SO4 and Cl content.-156.45296-156.4431171.2763771.2772European Research Councilhttps://doi.org/10.13039/501100000781851181The role of non-growing season processes in the methane and nitrous oxide budgets in pristine northern ecosystems