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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 and biomarker data for the marine sediment core SWERUS-L2-4-PC1, Chukchi Sea, Arctic Ocean

This dataset was created to reconstruct the historical remobilization of permafrost carbon from the Beringian landmass to the Chukchi Sea. We analyzed carbon...

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...

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...

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...

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 LOMROG, Lomonosov Ridge, Arctic Ocean, 2007

The LOMROG (Lomonosov Ridge off Greenland) 2007 expedition was carried out during summer of 2007. The expedition worked in the central Arctic Ocean over...

Data from expedition SAS, Arctic Ocean, 2021

The Synoptic Arctic Survey (SAS) 2021 expedition was carried out during summer 2021 in the Arctic Ocean, covering a large area including parts of Amundsen...

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...

General metadata from expedition SAS, Arctic Ocean, 2021

The Synoptic Arctic Survey (SAS) 2021 expedition was carried out during summer 2021 in the Arctic Ocean, covering a large area including parts of the Amundsen...

Ice station documentation from expedition SAS, Arctic Ocean, 2021

The dataset contains metadata and 353 files with photographs and field notes from the ice stations visited during the Synoptic Arctic Survey (SAS) 2021...

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...

Seawater carbonate chemistry from CTD bottle samples during the Ryder 2019 expedition

Depth profiles of seawater pH and total alkalinity (TA) from water samples collected during the Ryder 2019 Expedition from coastal waters along northwestern...

Surface water data collected for the Arctic Ocean 2018 marine aerosol reference tank experiments

This dataset includes measurements of water temperature, salinity, chlorophyll a, dissolved organic carbon (DOC), dissolved organic nitrogen (DON), particulate...

Underway measurements of seawater pH and total alkalinity from the Ryder 2019 expedition

Continuous, underway measurements of seawater pH and total alkalinity (TA) were collected from the surface seawater intake system on board the Swedish...

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...

Fish otoliths in sediment samples from expedition SAS, Arctic Ocean, 2021

This dataset contains metadata and 296 files with photographs of 325 fish otoliths (calcium carbonate structures in the heads of bony fishes) sampled from the...

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...

Late Holocene paleomagnetic secular variation records of sediment cores SWERUS-L2-2-PC1 and SWERUS-L2-4-PC1 from the Chukchi Sea

Geomagnetic field directions (inclination and declination) are reconstructed for two sediment cores for the past 4200 years. The sediment cores were collected...

Marine sediment core data from Chukchi Sea, Arctic Ocean, core SWERUS-L2-2-PC1

Data from sediment core SWERUS-L2-2-PC1. The core was collected during the SWERUS-C3 expedition with icebreaker Oden 2014. Core length: 8.2 m. Coring site:...

Marine sediment core data from Chukchi Sea, Arctic Ocean, core SWERUS-L2-4-PC1

Data from sediment core SWERUS-L2-4-PC1. The core was collected during the SWERUS-C3 expedition with icebreaker Oden 2014. Core length: 6.1 m. Coring site:...

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....

Sea-ice biomarkers and total organic carbon from sediment of Holocene age collected in the southern Lincoln Sea in 2019

This dataset includes sea-ice related biomarkers and the amount of total organic carbon from 15 surface sediment samples and two gravity cores collected during...

The 3.6 ka Aniakchak tephra in marine sediments from the Chukchi Sea, Arctic Ocean

The eruption of the Alaskan Aniakchak volcano of 3.6 thousand years ago was one of the largest Holocene eruptions worldwide. The resulting ash is found in...

Sub-bottom profiling data from Herald Canyon, Chukchi Sea

Sub-bottom profiling data from Herald Canyon, Arctic Ocean, acquired using the Kongsberg SBP 120 (2–7 kHz; 3° × 3°) chirp sonar installed in icebreaker...