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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 AGAVE, Arctic Ocean, 2007

Multibeam bathymetry from areas in the central Artic Ocean with a main focus on the Gakkel Ridge. High-resolution bathymetry data are commonly used to...

High-resolution bathymetry data from expedition ASCOS, Arctic Ocean, 2008

Multibeam bathymetry from areas in the central Arctic Ocean, starting and ending in Longyearbyen, Svalbard. High-resolution bathymetry data are commonly...

High-resolution bathymetry data from expedition EAGER, Arctic Ocean, 2011

Multibeam bathymetry from areas in Arctic Ocean waters off Northeast Greenland. High-resolution bathymetry data are commonly used to study, for example,...

High-resolution bathymetry data from expedition LOMROG III, Lomonosov Ridge, Arctic Ocean, 2012

Multibeam bathymetry from areas in the central Arctic Ocean, around the North Pole and along the Lomonosov Ridge towards Northern Greenland. High-resolution...

High-resolution bathymetry data from expedition LOMROG II, Lomonosov Ridge, Arctic Ocean, 2009

Multibeam bathymetry from areas in Arctic Ocean waters around the North Pole and off North Greenland, partly above the Lomonosov Ridge. High-resolution...

High-resolution bathymetry data from expedition LOMROG, Lomonosov Ridge, Arctic Ocean, 2007

Multibeam bathymetry from areas in the central Arctic Ocean over sections of the southern Lomonosov Ridge off Northern Greenland, the Morris Jesup Rise and...

High-resolution bathymetry data from expedition NEGC, Arctic Ocean, 2008

Multibeam bathymetry from areas in Arctic Ocean waters off North Greenland. High-resolution bathymetry data are commonly used to study, for example, general...

High-resolution bathymetry data from expedition OATRC, Arctic Ocean, 2012

Multibeam bathymetry from areas in the Fram Strait in the Arctic Ocean. High-resolution bathymetry data are commonly used to study, for example, general...

High-resolution bathymetry data from expedition OATRC, Arctic Ocean, 2013

Multibeam bathymetry from areas in the Arctic Ocean waters northeast of Greenland. High-resolution bathymetry data are commonly used to study, for example,...

High-resolution bathymetry data from expedition OSO, Southern Ocean, 2007–2008

Multibeam bathymetry from areas in Southern Ocean waters off west Antarctica. High-resolution bathymetry data are commonly used to study, for example,...

High-resolution bathymetry data from expedition OSO, Southern Ocean, 2010

Multibeam bathymetry from areas in Southern Ocean waters off West Antarctica. High-resolution bathymetry data are commonly used to study, for example,...

High-resolution bathymetry data from expedition OSO, Southern Ocean, 2010–2011

Multibeam bathymetry from areas in Southern Ocean waters off West Antarctica. High-resolution bathymetry data are is commonly used to study, for example,...

High-resolution bathymetry data from expedition SAS, Arctic Ocean, 2021

Multibeam bathymetry from the central Arctic Ocean, including parts of Amundsen Basin, Nansen Basin, the North Pole, Lomonosov Ridge, Morris Jesup Rise and the...

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...

High-resolution bathymetry data from Sea acceptance test, Arctic Ocean, 2008 and 2009

Multibeam bathymetry from areas in Arctic Ocean waters off Northwest Svalbard. High-resolution bathymetry data are commonly used to study, for example,...

High-resolution bathymetry data from the Arctic Ocean 2016 expedition

Multibeam bathymetry from areas in the Arctic Ocean, mainly in the Amundsen Basin and in areas around the underwater mountain ranges Lomonosov Ridge and Alpha...

High-resolution bathymetry data from the Arctic Ocean 2018 expedition

Multibeam bathymetry from areas in the central Arctic Ocean, starting and ending in Tromsø, Norway. High-resolution bathymetry data are commonly used to...

High-resolution bathymetry from expedition Petermann, Northwest Greenland, 2015

Multibeam bathymetry from seafloor off northwestern sector of the Greenland Ice Sheet, where Petermann Glacier drains into Nares Strait. The data reveal...

High-resolution bathymetry from the Ryder 2019 expedition to Northwest Greenland

Multibeam bathymetry from coastal waters along Northwestern Greenland, from Thule in the south to Sherard Osborn Fjord in the north. More specifically, mapped...

International Bathymetric Chart of the Arctic Ocean (IBCAO)

The International Bathymetric Chart of the Arctic Ocean (IBCAO) is a bathymetry map detailing the seafloor depth in the Arctic ocean at a resolution of 100 ×...

Multibeam bathymetry from Fifång Deep and Asköfjärden, southern Stockholm archipelago

Multibeam bathymetry collected from Asköfjärden and Fifång Deep, east of Askö Island in southern Stockholm archipelago. Detailed information about the...

Multibeam bathymetry from southeast of Tvärminne Zoological Station in southern Finland archipelago

Multibeam bathymetry showing submarine terraces in the seafloor southeast of Tvärminne Zoological Station in southern Finland archipelago. Detailed...

Data from a modelling study on Arctic closure as a trigger for Atlantic overturning at the Eocene-Oligocene transition

This dataset was created for a study that investigates the effect of closing the Arctic-Atlantic gateway in a coupled climate model of the Eocene-Oligocene...

Setup files for MITgcm simulations (2D) of the Sherard Osborn Fjord with varying sill depth and subglacial discharge

This repository provides files to setup the MIT General Circulation Model (MITgcm, Mid 2020 Version) and run a set of experiments. The experiments run can...

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 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 II, Lomonosov Ridge, Arctic Ocean, 2009

The LOMROG II (Lomonosov Ridge off Greenland) expedition was carried out during summer 2009 in Arctic Ocean waters around the North Pole and off North...

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 NEGC, Arctic Ocean, 2008

The NEGC (North East Greenland Coring) expedition was carried out during summer 2008 in Arctic Ocean waters off North Greenland. With the Swedish icebreaker...

Data from expedition OATRC, Arctic Ocean, 2013

The OATRC (Oden Arctic Technology Research Cruise) 2013 expedition was carried out during summer 2013 in Arctic Ocean waters northeast of Greenland. With...

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

The OSO (Oden Southern Ocean) 2009/10 expedition was carried out during austral summer 2009/10 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 Petermann, off North Greenland, 2015

The Petermann 2015 expedition was carried out during summer 2015 in the Nares Strait off Northwestern Greenland. The main target was the Petermann Fjord where...

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 expeditions SAT, Arctic Ocean, 2008 and 2009

The SAT (Sea Acceptance Test) expeditions were carried out during summers 2008 and 2009 in Arctic Ocean waters off Northwest Svalbard. The main goal of...

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...

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...

Near seafloor CTD-profiles, oxygen time series, and water velocity profile time series at the station Askö B1, Sweden, June 2019

The dataset consists of 3 sets of total 613 benthic profiles with a conductivity-temperature-depth (CTD) sonde positioned at the seafloor in the benthic...

Subaerial and submarine frontal morphology of Kronebreen, Svalbard, 24 August 2016

The dataset consists of two profiles of the frontal morphology of Kronebreen, Svalbard, measured on 24 August 2016. The data was recorded using LiDAR (above...

Acoustic and in-situ observations of double-diffusive finestructure in the Arctic Ocean, August to September 2016

This dataset contains acoustic midwater data from the central Arctic Ocean, collected with a wideband Simrad EK80 sonar (18 kHz center frequency) in 2016, and...

Acoustic and in-situ observations of stratified turbulent mixing over rough bathymetry, Baltic Sea, March 2020

This dataset contains broadband acoustic midwater data, ship acoustic doppler current profiler (ADCP) data, and in situ microstructure profiler (MSS) data from...

Acoustic midwater data from expedition SAS, Arctic Ocean, 2021

This dataset contains acoustic midwater data from the Central Arctic Ocean, collected with a wideband Simrad EK80 sonar installed onboard icebreaker...

Acoustic midwater data from the Southern Quark, Baltic Sea, 2017

Acoustic midwater data from the Southern Quark, between Sweden and Åland, collected with a Simrad EK80 sonar in August 2017. Midwater echo sounders permit...

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...

Oceanographic LADCP data from the Ryder 2019 expedition

Lowered acoustic doppler current profiler (LADCP) data collected at most CTD stations during the Ryder 2019 Expedition from coastal waters along northwestern...

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...

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...

Acoustic and in-situ observations of stratified turbulent mixing in the Baltic Sea, February 2019

This dataset contains broadband acoustic midwater data, ship and mooring acoustic doppler current profiler (ADCP) data, and in situ microstructure profiler...

Acoustic and in-situ observations of stratified turbulent mixing near rough bathymetry in the Baltic Sea, Feb– Mar 2019 and 2020

This dataset contains acoustic midwater data from the Aland Sea, collected with a wideband Simrad EK80 sonar (70 kHz center frequency) during two cruises in...

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...

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...

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...

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...

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...

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 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....

Marine sediment core data from the Lomonosov Ridge off Greenland, Arctic Ocean

Sedimentological data from six marine sediment cores collected from the Lomonosov Ridge, Arctic Ocean. The sediment cores were collected on two separate...

North Atlantic Eocene Oligocene foraminiferal stable isotope and Mg/Ca proxy data

Benthic and planktic foraminifera oxygen and carbon stable isotope measurements from four North Atlantic deep sea drill sites from the late Eocene to early...

Physical properties and age model of sediment core SWERUS-L2-29-GC1 from the Lomonosov Ridge, Arctic Ocean

The dataset contains physical properties, age model, selected palaeo- and rock magnetic data, and X-ray fluorescence (XRF) counts from a sediment core...

Physical properties of marine sediment cores from the Ryder 2019 expedition

Bulk Density and magnetic susceptibility measurements performed on 25 marine sediment cores collected during the Ryder 2019 Expedition to northwestern...

Physical properties of sediment cores AO16-9PC and AO16-10PC in the Arctic Ocean

This dataset includes data related to physical sediment properties (the bulk density and Mn/Zr ratios) of cores AO16-9PC and AO16-10PC, located in the Arctic...

Glacier-proximal water temperatures in Kongsfjorden and Tempelfjorden, Svalbard, 2016-2017

Subsurface ocean temperatures have been harvested in Kongsfjorden and Tempelfjorden, Svalbard, in close proximity to the calving ice fronts of the glaciers...

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...