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Accumulation rates, isotopic and molecular data of terrestrial carbon in sediments of the Laptev Sea continental margin

This dataset contains isotopic (¹³C and ¹⁴C) and molecular biomarker data (lignin phenols, n-alkanes, n-alkanoic acids) of organic carbon in surface...

Biomarker and bulk organic carbon data for surface sediments across the Laptev Sea

This dataset was compiled for a study that aims to assess the fate of terrestrial organic carbon in the Arctic marine environment by exploring how it changes...

Bulk organic carbon, isotopes and mineral surface area for surface sediments across the Laptev and East Siberian Sea

This dataset was compiled to quantify degradation of terrigenous organic carbon in surface sediments across the Laptev and East Siberian Sea. It includes raw...

Bulk organic carbon, isotopes and terrigenous biomarkers for the marine sediment core SWERUS-L2-31-PC1

This dataset contains biochemical data analyzed in the sediment core SWERUS-L2-31-PC1, an archive spanning over the past 27,000 years recovered from the...

Centennial-scale sediment records of organic matter supply and degradation status from the East Siberian Sea

Bulk properties (organic carbon content, nitrogen content, mineral surface area, stable and radiocarbon isotopes), as well as biomarker concentrations (lignin...

Cross-shelf transport time and degradation rates for terrestrial organic matter in the Laptev Sea

This dataset contains compound-specific radiocarbon dates for long-chain fatty acids (specific terrestrial biomarkers) along a 600-km transect from the Lena...

Dissolved organic carbon (DOC) concentrations and its optical properties in the Laptev and East Siberian Seas 2003–2011

This dataset was compiled for a study that aims to assess spatial and interannual distributions of chromophoric dissolved organic matter in the Laptev and East...

Isotope data (Δ¹⁴C, δ¹³C and δD) for dissolved methane at the Outer Eurasian Arctic Shelf

Isotope data for dissolved methane determined in samples collected from vertical and bottom-water horizontal casts in the outer Laptev Sea. The data was...

Lithology and thermal data from subsea permafrost drillcores of the SE Laptev Sea

Lithology and thermal data from four drill cores used in a study that documents current rates and mechanisms of subsea permafrost degradation in the East...

Organic carbon data from the Eurasian Arctic Shelf

Percentage of permafrost organic carbon resequestered by iron oxides in the Eurasian Arctic Shelf. Overall, the 15 ± 5% in the Laptev Sea and 6.4 ± 5% in...

Seawater Carbonate System, Ocean Acidification and Related Parameters in the East Siberian Arctic Shelf Seas

This dataset builds on an order of magnitude more observations than reports to date on Ocean Acidification (OA) in the Arctic Ocean; and, for the first time in...

Sediment properties, carbon dioxide and oxygen fluxes from Siberian Arctic Ocean sediments collected in 2020

This dataset contains observational data on sediment properties and gas fluxes (carbon dioxide and oxygen) for 16 surface sediment samples from the Laptev Sea,...

Terrigenous organic matter biomarker data at high spatial coverage over the East Siberian Arctic Shelf

This data set contains observations of molecular biomarkers for terrigenous organic matter (terr-OM) at high spatial coverage across the East Siberian Arctic...

High-resolution bathymetry data from expedition SWERUS-C3 Leg 2, Arctic Ocean, 2014

Multibeam bathymetry from areas in the East Siberian Arctic Ocean and adjacent deep waters off the continental shelf. More specifically, mapped areas include...

Data from expedition SWERUS-C3, Arctic Ocean, 2014

The SWERUS-C3 (Swedish – Russian – US Arctic Ocean Investigation of Climate-Cryosphere-Carbon Interactions) expedition was carried out during the summer of...

Coastal Yedoma deposits and continental shelf sediments in the Arctic Ocean silicon cycle collected in 2020

This dataset contains measurements on the water column chemistry, rates of dissolved silicon exchange between sediments and the water column, and amorphous...

CTD data from the SWERUS-C3 expedition 2014 in the Arctic Ocean

The data set includes CTD data (conductivity, temperature, and depth in the water column) from the SWERUS-C3 (Swedish-Russian-US Arctic Ocean Investigation of...

Chemical data of depth profiles of stations in international water collected during the SWERUS-C3 Arctic expedition

Depth profiles of data from water samples collected by a rosette-CTD system in international waters during the second leg of the expedition SWERUS-C3. Noted...

Nitrous oxide data collected in the Siberian Arctic Ocean in summer 2014 and autumn 2020

This dataset includes observational data related to nitrous oxide (N₂O) in the Kara, Laptev and East Siberian Sea, generated during the ISSS-2020 expedition...

Age model and physical properties of sediment from the Arctic Siberian margin, core SWERUS-L2-31PC

Age model and sedimentological data for a marine sediment core collected on the Lomonosov Ridge adjoining the East Siberian shelf, Arctic Ocean. The dataset...

In-situ Temperature, Thermal Conductivity and Heat Flow of East Siberian Margin Sediments

Summary of published data used to calculate marine heat flow at sediment coring stations on SWERUS-C3-L2 in 2014. The data file includes A.) Summary table of...

Marine sediment core data from De Long Trough, Siberian margin and slope, Arctic Ocean

Sediment core data from four sites in the East Siberian Sea, Arctic Ocean. The cores were collected during the SWERUS-C3 expedition with icebreaker Oden 2014....