Search results

221 datasets found

Atmosphere

Aerosols

Aerosol and droplet size distributions and concentrations measured during the Arctic Ocean 2018 expedition

Aerosol and droplet size distributions and concentrations were measured by a Forward Scattering Spectrometer Probe (model FSSP-100). The FSSP was installed on...

Aerosol chemical composition during the Arctic Ocean 2018 expedition

This data set provides the bulk aerosol chemical composition measured with a high-resolution Aerosol Mass Spectrometer (HR-AMS) during the Arctic Ocean 2018...

Aerosol light scattering coefficients and scattering enhancement factors at 26 globally distributed stations 1998⁠ – ⁠2017

This dataset presents the time series of aerosol (total and back) light scattering, and scattering enhancement factors measured with in situ tandem humidified...

Aerosol light scattering properties at Zeppelin Observatory, Svalbard, 1999⁠ – ⁠2016, with back trajectory analysis parameters

The dataset was created to aid the investigation of long-term trends in aerosol light scattering properties using a unique data record of key aerosol optical...

Aerosol particle number size distribution data collected during the Arctic Ocean 2018 expedition

Aerosol particle number size distributions in the size range 10⁠ – 921 nm were measured with a custom built differential mobility particle sizer (DMPS)...

Chemical composition of semi-volatile aerosol collected during the Arctic Ocean 2018 expedition

This data set contains molecular-level chemical composition of the semi-volatile fraction (evaporating at ≤ 200 °C) of aerosol particles collected onto...

Cloud condensation nuclei (CCN) concentration during the Arctic Ocean 2018 expedition

Measurements of cloud condensation nuclei concentrations in the whole-air sampling inlet (WAI) and the cloud residuals inlet (CVI), using two Cloud...

Cloud droplet residual and aerosol measurements from the Arctic Ocean 2018 expedition

The dataset includes cloud droplet residual and whole-air aerosol particle number size distributions from the Arctic Ocean 2018 expedition, for a selected set...

Cloud water samples obtained in summertime during the Arctic Ocean 2018 expedition

This dataset contains results from analyses of chemical composition for elevated clouds in the pristine high Arctic, obtained with a miniaturised cloud water...

Clustered aerosol particle size distributions at Zeppelin Observatory, Svalbard, 2002⁠ – ⁠2010

The dataset is a composition of longterm aerosol observations from Zeppelin Observatory, Svalbard, available on the database EBAS and a cluster analysis of...

Coarse-mode particle number size distribution data collected during the Arctic Ocean 2018 expedition

Aerosol particle number size distributions in the size range 0.15⁠ – ⁠10 micrometre were measured with a white-light aerosol spectrometer (WELAS)...

Comparison of aerosol eddy covariance fluxes and chamber-simulated sea spray emissions from the Baltic Sea

The dataset comprises aerosol eddy covariance (EC) flux data measured on Östergarnsholm island in the Baltic Sea as well as data from ship-based laboratory...

Concentration of particles larger than 2.5 nm collected during the Arctic Ocean 2018 expedition

The concentration of particles larger than 2.5 nm was measured with an ultrafine condensation particle counter (UCPC). The concentration was corrected for...

Data from a modelling study on the importance of Aitken mode particles for cloud sustenance in the high Arctic

This dataset presents the model output from two large-eddy simulation models. The model simulations were performed with the aim to investigate the importance...

Equivalent black carbon concentration measured during the Arctic Ocean 2018 expedition

Equivalent black carbon (eBC) concentration was measured using a multi-angle absorption photometer (MAAP, Thermo Scientific Inc., Model 5012, Germany)....

Equivalent black carbon concentration measured with an aethalometer AE33 during the Arctic Ocean 2018 expedition

Equivalent black carbon (eBC) mass concentration was measured with a commercial aethalometer (model AE33, Magee Scientific, Berkeley, USA). Measurements were...

Frequent new particle formation over the high Arctic pack ice by enhanced iodine emissions, ancillary data

This dataset contains a collection of ancillary data that were used for the publication Frequent new particle formation over the high Arctic pack ice by...

Ice-nucleating particle concentrations sampled from behind the whole air inlet and from a balloon borne sampler

We collected filter samples of aerosol from the whole air inlet and size segregated aerosol samples from a balloon borne sampler (SHARK), which were then...

Ice-nucleating particle measurements collected during the Arctic Ocean 2018 marine aerosol reference tank experiments

Size segregated samples were collected from the marine aerosol reference tank (MART) headspace using a cascade impactor for offline analysis of their...

Laboratory data on the effect of salinity and temperature on sea spray aerosol production

This dataset was created in a series of laboratory experiments to investigate the role of salinity and temperature on aerosol production and surface bubble...

Mask to identify polluted periods during the Arctic Ocean 2018 expedition

Aerosol and trace gas measurements are strongly affected by the ship exhaust and other human activities (e.g., helicopter flights). Therefore, it is important...

Measurements of bioaerosols, bacteria and ionic composition in sea spray aerosols from mesocosm experiments in the Azores

Measurements of bioaerosols, bacteria and ionic composition in sea spray aerosols from 20 chamber mesocosm experiments with seawater. The measurements...

Model data from a study on the influence of biomass burning aerosol plumes on low-level clouds over the Southeastern Atlantic

This dataset contains the output from the MISU-MIT Cloud and Aerosol (MIMICA) large eddy simulation (LES) Savre et al. (2014). The model simulations were...

Output data from the MIMICA LES model to study the transition from aerosol-limited to updraft-limited susceptibility regime

Selected raw model output from large-eddy simulations (LES) conducted with MISU MIT Cloud and Aerosol (MIMICA) model to study the transition from aerosol- to...

Size distribution of aerosol particles between 2.5 and 920 nm measured during the Arctic Ocean 2018 expedition

The aerosol size distribution was obtained combining measurements from a neutral and air ion spectrometer (NAIS) with a differential mobility particle sizer...

Size distribution of interstitial and total particles between 18 and 660 nm collected during the Arctic Ocean 2018 expedition

The aerosol size distribution was measured with a custom made scanning mobility particle sizer (SMPS), range 18⁠ – ⁠660 nm. Aerosols are important...

Size distribution of neutral and charged particles smaller than 42 nm collected during the Arctic Ocean 2018 expedition

The size distribution of neutral and charged particles was measured using a neutral cluster and air ion spectrometer (NAIS) instrument. The concentration was...

Submicron aerosol methanesulfonate, iodide, iodate and sulfate data from the Arctic Ocean 2018 expedition

This dataset contains concentrations (micrograms per meter cubed of air) of anions detected in submicron aerosols collected onboard icebreaker Oden during the...

Temperature and energy transport for idealized NorESM slab-ocean simulations for modified mid-latitude SO₂ aerosol emissions

This dataset contains temperature and horizontal heat convergence output from four different climate modelling simulations using a slab-ocean setup for the...

Ultrafine aerosol composition measured in summertime during the Arctic Ocean 2018 expedition

These results are chemical composition of Aitken mode (~20-70 nm) particles collected near the North Pole during August – ⁠September 2018, using in...

Ultrafine particle concentration measured during the Arctic Ocean 2018 expedition

The ultrafine particle (UFP) concentration is the concentration of particles having a diameter between 2.5 and 15 nm, it is reported in terms of particle...

Vertical stratification of submicrometer aerosol particles measured during the high-Arctic ASCOS expedition 2008

The atmospheric thermodynamic structure and aerosol particle concentrations, in several size ranges, across a multitude of surface conditions over the Arctic...

Clouds

All-Sky cloud imager data from the high-Arctic ASCOS expedition 2008

An all-sky cloud imager consists of a polished half-spherical dome mirror with a camera on top looking down. The camera takes images of the dome, which...

Ceilometer backscatter and cloud base height measurements from the high-Arctic ASCOS expedition 2008

The height to the lowest cloud base, or to more than one cloud base in the case when the lowest cloud layer does not cover the whole sky, was measured by three...

Ceilometer backscatter, cloud base height and cloud fraction data from the Arctic Ocean 2016 expedition

Measurements of cloud base height, cloud fraction and backscatter profiles. The dataset provides rare high quality meteorological observations from sea-ice...

Ceilometer backscatter, cloud base height and cloud fraction data from the Arctic Ocean 2018 expedition

Measurements of cloud base height, cloud fraction and backscatter profiles. The dataset provides rare high quality meteorological observations from sea-ice...

Ceilometer measurements, FMI, from the high-Arctic ASCOS expedition 2008

The height to the lowest cloud base, or to more than one cloud base in the case when the lowest cloud layer does not cover the whole sky, was measured by three...

Cloudnet remote sensing retrievals of cloud properties during the Arctic Ocean 2018 expedition

This dataset consists of a range of output products from the Cloudnet algorithm. Cloudnet combines cloud radar, ceilometer, microwave radiometer, and...

Cloudnet remote sensing retrievals of cloud properties from the SWERUS-C3 Arctic Ocean expedition in 2014

This dataset consists of a range of output products from the Cloudnet algorithm. Cloudnet combines cloud radar, ceilometer, microwave radiometer, and...

Data from a modelling study of a two-layer boundary-layer cloud system from the Arctic Ocean 2018 expedition

This dataset presents the model output from the large-eddy simulation (LES) model. The LES was employed to simulate a two-layer boundary-layer cloud structure...

Meteorological observations during the SWERUS-C3 Arctic Ocean expedition 2014 and colocated regional climate model output

Observations of the atmospheric thermodynamic structure, wind profiles and surface energy budget components from the Eastern Arctic Ocean in July through early...

Millimeter cloud radar Doppler moments measurements from the high-Arctic ASCOS expedition 2008

Cloud information data was collected using a ship-based vertically pointing millimeter cloud radar (MMCR), which is a Doppler radar at the Ka-band,...

Oden ceilometer cloud data from the high-Arctic ASCOS expedition 2008

The height to the lowest cloud base, or to more than one cloud base in the case when the lowest cloud layer does not cover the whole sky, was measured by three...

S-band radar data from the high-Arctic ASCOS expedition 2008

Cloud and precipitation information data was collected using a ship-based vertically pointing Doppler radar at the S-band, adapted to primarily measure...

Observations

Micrometeorological data from an ice-floe adjacent to an open lead during the Arctic Ocean 2018 expedition

Air-sea fluxes of momentum, heat and CO₂, associated micrometeorological and mean meteorological and ocean surface variables. Fluxes are derived from fast...

Navigation, meteorological and surface seawater data from the Arctic Ocean 2016 expedition

Measurements from icebreaker Oden’s navigation, meteorological and surface seawater systems from the Arctic Ocean 2016 (AO2016) expedition to the central...

Navigation, meteorological and surface seawater data from the Arctic Ocean 2018 expedition

Measurements from icebreaker Oden’s navigation, meteorological and surface seawater systems from the Arctic Ocean 2018 (AO2018, also referred to as...

Navigation, meteorological and surface seawater data from the SWERUS-C3 Arctic Ocean expedition in 2014

Measurements from icebreaker Oden’s navigation, meteorological and surface seawater systems from the SWERUS-C3 expedition to the Eastern Arctic Ocean in July...

Ozone soundings from the high-Arctic ASCOS expedition 2008

Profiles of ozone concentration were measured by a Vaisala add-on ozone sonde, for a few of the radiosoundings launched from the helipad of the Icebreaker Oden.

Radioactivity soundings from the high-Arctic ASCOS expedition 2008

Profiles of radioactivity were measured by a Vaisala add-on radioactivity sonde for a few of the radiosoundings, measuring Geiger–Müller tube count rates...

Weather and navigation data from the high-Arctic ASCOS expedition 2008

The Icebreaker Oden's weather station was mostly located on the 7th deck about 27 m above sea level, on top of the bridge. Sensors were distributed over the...

Weather observations

Present weather sensor visibility and precipitation data from the Arctic Ocean 2016 expedition

Measurements of visibility, precipitation type and intensity, and the corresponding World Meteorological Organization (WMO) weather codes. The dataset...

Present weather sensor visibility and precipitation data from the Arctic Ocean 2018 expedition

Measurements of visibility, precipitation type and intensity, and the corresponding the World Meteorological Organization (WMO) weather codes. The dataset...

Radiosonde data from the Arctic Ocean 2018 expedition

Atmospheric profile measurements of temperature, humidity, pressure and wind speed from radiosonde (Vaisala RS92) weather balloons. Data also include...

Radiosoundings from the high-Arctic ASCOS expedition 2008

Radiosoundings were launched every six hours (00, 06, 12 & 18UTC), and additionally before each helicopter flight (if not at one of the normal times), using...

Tethered balloon measurements from the Arctic Ocean 2018 expedition

In-situ boundary-layer meteorological observations were made from the ice floe using sensors hanging under a tethered balloon which was quasi-continuously...

Tethersonde mean meteorology from the high-Arctic ASCOS expedition 2008

In-situ boundary-layer meteorological observations were made from the ice using sensors hanging under a tethered balloon which was quasi-continuously winched...

Visibility and present weather observations from the high-Arctic ASCOS expedition 2008

Visibility data was collected using a Vaisala visibility sensor based on forward scattered laser light deployed on the aft starboard side on the 7th deck of...

Weather data from MISU weather station during Ryder 2019 and Northwest passage 2019 expeditions

Measurements of near-surface wind speed and direction, temperature, relative humidity, air pressure, shortwave and longwave downwelling radiation, surface...

Weather data from MISU weather station during the Arctic Ocean 2018 expedition

Measurements of near-surface wind speed and direction, temperature, relative humidity, air pressure, shortwave and longwave downwelling radiation, and surface...

Weather data from the MISU weather station during the Arctic Ocean 2016 expedition

Measurements of near-surface wind speed and direction, temperature, relative humidity, air pressure, shortwave and longwave downwelling radiation, and surface...

Weather data from the MISU weather station during the SWERUS-C3 Arctic Ocean expedition in 2014

Measurements of near-surface wind speed and direction, temperature, relative humidity, air pressure, shortwave and longwave downwelling radiation, and surface...

Weather data from WeatherPak station from the high-Arctic ASCOS expedition 2008

The WeatherPak station is an integrated unit mounted approximately mid-ship on the forward railing on the Icebreaker Oden's 7th deck about 27 m above sea...

Lacustrine

Sediment cores

Lateglacial and early Holocene environmental changes from Lake Medvedevskoye, Russia

Lithostratigraphy, mineral magnetics, radiocarbon dates, diatom counts, pollen counts, percentages and concentrations for the lacustrine sediment sequence of...

Lateglacial and early Holocene multi-core and multi-proxy data set for the ancient lake at Hässeldala Port, southern Sweden

Complete multi-proxy data set for cores #1 to cores #6 from Hässeldala Port, southern Sweden (63 m a.s.l.) including: Lithostratigraphy, geochemistry, tephra,...

Lateglacial and early Holocene multi-proxy data set for the ancient lake at Atteköpsmosse, southern Sweden

Lithostratigraphy, tephra, geochemistry, biomarkers, hydrogen isotopes, radiocarbon dates, age model, chironomid counts and percentages, pollen counts and...

Lateglacial and early Holocene paleoenvironmental change data from Lake Pastorskoye, Russia

Lithostratigraphy, radiocarbon dates, pollen counts, percentages and concentrations for the lacustrine sediment sequence of Lake Pastorskoye, Karelian Isthmus,...

Lateglacial and early Holocene paleoenvironmental changes from ancient Lake Steregoiu, Romania

Lithostratigraphy, mineral magnetic measurements, loss-on-ignition and radiocarbon dates for the lacustrine sediment sequence of the ancient Lake Steregoiu in...

Lateglacial and Holocene paleoenvironmental change data from ancient Lake Preluca Tiganului, Romania

Lithostratigraphy, mineral magnetic measurements, loss-on-ignition, and radiocarbon dates for the lacustrine sediment sequence of the ancient Lake Preluca...

Lateglacial and Holocene paleoenvironmental change data from Lake Pichozero, Russia

Lithostratigraphy, mineral magnetic measurements, geochemistry, grain size, pollen, together with radiocarbon dates for the lacustrine sediment and peat bog...

Multi-proxy dataset from Les Échets, France

¹⁴C dates, OSL dates, mineral magnetic, grain size, geochemistry, pollen and diatom data for the lacustrine sediment sequence of Les Échets in France...

Organic geochemical data including leaf wax hydrogen isotopes from Sokli, Northern Finland

The dataset contains bulk geochemical data (TOC, TN, bulk δ¹³C and δ¹⁵N), leaf wax concentrations and their hydrogen isotope composition, from the...

Marine

Arctic carbon

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...

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...

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...

Sources and accumulation rates of terrestrial carbon in circum-Arctic shelf sediments

This dataset contains terrestrial organic carbon (terrOC) mass accumulation rates in surface sediments of the seven circum-Arctic shelf seas, observational...

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...

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...

Bathymetry

Calculated seafloor ruggedness index (TRI) of the Baltic Sea

Terrain ruggedness index (TRI) of the Baltic Sea floor calculated using the European Marine Observation and Data Network (EMODnet) 2019 bathymetric grid as a...

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 goal of this initiative is to develop a digital data base that contains all available bathymetric data north of 64° North, for use by mapmakers,...

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...

Expedition

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 ASCOS, Arctic Ocean, 2008

The ASCOS (Arctic Summer Cloud Ocean Study) expedition was carried out during summer 2008 in high-latitude areas in the Arctic Ocean. With the Swedish...

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 III, Lomonosov Ridge, Arctic Ocean, 2012

The LOMROG III (Lomonosov Ridge off Greenland) expedition was carried out during summer 2012 in the central Arctic Ocean, around the North Pole and along the...

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, 2012

The OATRC (Oden Arctic Technology Research Cruise) 2012 expedition was carried out during summer 2012 in the Fram Strait in the Arctic Ocean. With the...

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 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 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...

Oden data repository

Collection of data acquired at the Swedish icebreaker Oden during 19 expeditions held between 2007 and 2021, of which 16 went to the Arctic Ocean and 3 to the...

Hydrography

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 high-Arctic ASCOS expedition 2008

Profiles of pressure, temperature, salinity, potential density and Turbulent Kinetic Energy (TKE) dissipation rate were measured at the ocean site of the ice...

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...

Marine chemistry

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...

Sediment cores

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...

Carbonate content, carbon and oxygen stable isotopes of bulk sediment from the eastern equatorial Pacific

The data consist of carbonate content and carbon and oxygen stable isotope composition of bulk sediment samples deposited since the late Miocene (~7 Ma) at the...

Eocene-Oligocene age planktonic and benthic foraminifera oxygen and carbon stable isotopes from the NKK-1 borehole, central Java

This data set involves geochemical paleoceanographic proxy records from a borehole drilled in the Nanggulan region of central Java, Indonesia, and includes...

Foraminiferal data of marine sediment cores in the Arctic Ocean

Planktonic foraminifer data (counts) from 5 sediment cores are presented from cores named 96/12-1pc, LRG12-3PC, AO16-8GC, AO16-9PC, AO16-10PC. The...

Foraminiferal data, XRF counts and age model options of sediment core AO16-8GC from the Alpha Ridge, Arctic Ocean

The dataset contains foraminiferal data (relative abundance of species), X-ray fluorescence (XRF) counts (Mn, Zr , and Mn/Zr ratio), and two age model options...

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...

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....

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...

Paleoceanographic sediment data from IODP Site U1338 and DSDP Site 573

Data comprise bulk and fine fraction C and O stable isotopes, carbonate content, coarse fraction content, age and depths of samples from IODP Site U1338 and...

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...

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...

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