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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...

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...

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...

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...

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...

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....

Data from expedition AGAVE, Arctic Ocean, 2007

The AGAVE (Arctic Gakkel Vents) expedition was carried out during summer 2007 in the central Artic Ocean with a main focus on mapping and sampling the Gakkel...

Data from expedition Arctic Ocean, 2016

The Arctic Ocean 2016 expedition was carried out during summer 2016 in the Arctic Ocean, mainly in the Amundsen Basin and in areas around the underwater...

Data from expedition Arctic Ocean, 2018

The Arctic Ocean 2018 expedition was carried out during summer 2018 in the central Arctic Ocean. With the Swedish icebreaker Oden serving as the research...

Data from expedition EAGER, Arctic Ocean, 2011

The EAGER (East Greenland Ridge) expedition was carried out during summer 2011 in Arctic Ocean waters off Northeast Greenland. With the Swedish icebreaker...

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 OSO, Southern Ocean, 2007⁠ – ⁠2008

The Oden Southern Ocean (OSO) 2007/08 expedition was carried out during austral summer 2007/08 in Southern Ocean waters off West Antarctica. With the...

Data from expedition OSO, Southern Ocean, 2010⁠ – ⁠2011

The OSO (Oden Southern Ocean) 2010/11 expedition was carried out during austral summer 2010/11 in Southern Ocean waters off West Antarctica. With the...

Data from expedition Ryder, off North Greenland, 2019

The Ryder 2019 Expedition was carried out during summer 2019 in the Arctic Ocean off Northwest Greenland. The main target was Sherard Osborn Fjord where Ryder...

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...

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...

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...

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...

Bubble sizes in the water measured during the high-Arctic ASCOS expedition 2008

Upper ocean gas bubbles generate airborne droplets when they burst at the surface, either "film droplets", from remnants of the surface of a bubble, or "jet...

Short-wave radiation measurements at the ocean site from the high-Arctic ASCOS expedition 2008

Spectrally resolved short-wave radiation was measured at the ocean site of the ice floe; downwelling from the atmosphere, reflected by the surface, and under...

Geochemical XRF core scanning data of marine sediment cores from the Ryder 2019 expedition

Relative geochemical elemental abundances of marine sediment cores collected during the Ryder 2019 Expedition to northwestern Greenland and the Lincoln...

Miocene temperature portal

This data portal serves as a resource for investigators interested in the study of Miocene climate, about 23 to 5 million years ago. It collates a list of key...

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...