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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, 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...

Concentrations of carbon, nitrogen, lignin and lipid biomarkers in subsea permafrost of the inner Laptev Sea

This dataset includes organic carbon and nitrogen content, ¹³C content of organic carbon, as well as concentrations of lignin phenols, n-alkanes, n-alkanoic...

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...

The Circum-Arctic Sediment Carbon Database — Carbon, nitrogen and isotopes in sediment cores of the Arctic Ocean

This dataset is part of the Circum-Arctic Sediment Carbon Database (CASCADE) and contains data for sediment cores across the Arctic Ocean, which are divided...

The Circum-Arctic Sediment Carbon Database — Carbon, nitrogen, isotopes and biomarkers in surface sediments of the Arctic Ocean

This dataset is part of the Circum-Arctic Sediment Carbon Database (CASCADE) and contains carbon data of surface sediments across the Arctic Ocean. Surface...

The Circum-Arctic Sediment Carbon Database — CASCADE

The Circum-Arctic Sediment CArbon DatabasE (CASCADE) was established to curate data on concentrations of organic carbon (OC) and total nitrogen (TN), OC...

Algal pigment concentrations from the Arctic Ocean 2018 expedition

This dataset contains pigment concentrations from the phytoplankton community in the water column along an ice floe drift station in the High Arctic Ocean....

Long-term data for contaminants in fish, mussels, and bird eggs from the Baltic Sea, 1968 – 2021

This dataset contains a curated version of contaminant concentrations collected within the Swedish National Monitoring Programme for Contaminants in Marine...

Siliceous microfossil data (diatoms) from the western Gotland Basin, Baltic Sea, covering the last 1200 years

This dataset consists of siliceous microfossil counts (mainly diatoms) and concentration (absolute abundance), from a 233 cm long splice sediment record (core...

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...

Oceanographic CTD data from the Ryder 2019 expedition

Conductivity, temperature and depth (CTD) data collected during the Ryder 2019 Expedition from coastal waters along northwestern Greenland, from Thule in the...

Baltic Sea water column mercury profiles 2014–2016

Water column profiles of mercury (Hg) and methylmercury (MeHg). The dataset includes observations on Total Hg, Hgᴵᴵ, Hg⁰, MeHg and other chemical...

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...

Dissolved nutrient concentrations from the Arctic Ocean 2018 expedition

Dissolved nutrient concentrations (nitrite, nitrate, ammonium, phosphate and silicate) of water samples collected via CTD (conductivity, temperature, depth)...

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...

Porewater nutrients from sediments collected during the SWERUS-C3 expedition 2014 on the East Siberian shelf and slope

This dataset contains the major nutrients ammonium, dissolved silica, dissolved inorganic phosphate collected from the porewaters of sediment from 16 stations...

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...

Seawater dimethyl sulfide and dimethylsulfoniopropionate data from the Arctic Ocean 2018 expedition

Discrete water-column dimethyl sulfide (DMS) and dimethylsulfoniopropionate (DMSP) measurements collected aboard icebreaker Oden during the Arctic Ocean 2018...

Data from a modelling study to investigate North Atlantic sea surface temperature at the Eocene-Oligocene Transition

This dataset accompanies a study that investigates the evolution of North Atlantic sea surface temperature (SST) across the Eocene-Oligocene Transition (EOT)...

Amino acid racemization data from the Yermak Plateau, Arctic Ocean, 0⁠ – 227 ka

The dataset contains data on the extent of racemization and concentration of amino acids in well-dated foraminifera samples (0⁠ – 227 ka) from the...

Bulk sediment records from ODP Site 851, eastern equatorial Pacific Ocean

The data comprise coarse fraction concentrations, carbonate content and carbon and oxygen stable isotopes (δ¹³C and δ¹⁸O) of deep-sea sediment samples...

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...

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...

Methane concentrations from Askö shallow inshore areas in the Baltic Sea, June to October 2019

This dataset provides concentration measurements of dissolved methane (CH₄) from water samples and air samples collected from floating chambers. Samples were...