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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 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 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)...

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...

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...

Light absorbtion properties of Brown Carbon in the South Asian outflow in winter 2016

This dataset provides the mass-absorption cross section at 365 nm and the corresponding absorption Ångström exponent, stable carbon isotope signature of...

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...

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...

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...

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...

Dual-channel microwave radiometer measurements from the high-Arctic ASCOS expedition 2008

Vertically integrated water vapor (PWV) and cloud liquid water (LWP) was measured using a microwave radiometer, simultaneously observing the microwave...

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,...

Multi-sensor cloud microphysics product from the high-Arctic ASCOS expedition 2008

This data set includes retrievals of cloud type, characteristic particle size, and condensed water content for both liquid and ice hydrometeors. These...

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...

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...

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 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

Clay-varve chronology and deglaciation during the Younger Dryas and Preboreal in the Middle Swedish Ice Marginal Zone

A clay-varve chronology which covers the later part of the Younger Dryas stadial has been established in the easternmost part of the Middle Swedish Ice...

Clay-varve data sets for southeastern Sweden

Glacial varve thickness diagrams for Blekinge, Småland, Östergötland och Västergötland.

Geochemistry XRF core scanning data of gyttja sediments from an Eemian Paleolake at Sokli, Northern Finland

Eemian paleolake gyttja sediments from Sokli in northern Finland were scanned with an ITRAX XRF Core Scanner. Data was acquired for Si, S, K, Ca, Ti, Mn, Fe,...

Holocene multi-proxy and multi-core data set for Lake Kumphawapi in northern Thailand

Lithostratigraphy, radiocarbon dates, magnetic susceptibility, geochemistry, biomarkers, diatom counts and percentages, biogenic silica, grain size, major...

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 Chashnitsy, Russia

Lithostratigraphy, mineral magnetic measurements, bulk sediment carbon, nitrogen and sulfur, together with radiocarbon dates for the lacustrine sediment...

Lateglacial and Holocene paleoenvironmental change data from Lake Nero, Russia

Lithostratigraphy, mineral magnetic measurements, bulk sediment carbon, nitrogen and sulfur, together with radiocarbon dates for the lacustrine sediment...

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...

Lateglacial and Holocene paleoenvironmental change data from Lake Tambichozero, Russia

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

Lateglacial and Holocene paleoenvironmental change data from Lake Zaozer'e, Russia

Lithostratigraphy, mineral magnetic measurements, bulk sediment carbon, nitrogen and sulfur, together with radiocarbon dates for the lacustrine sediment...

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...

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...

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...

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...

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...

Dirty Ice for the LOMROG expedition 2007

Icebreaker Oden's trackline during the Lomonosov Ridge off Greenland (LOMROG) exedition 2007.

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) Version 3.0

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,...

LOMROG 2007 Multibeam bathymetry, polygon enclosing processed data

Icebreaker Oden's trackline during the Lomonosov Ridge off Greenland (LOMROG) exedition 2007.

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...

Multibeam bathymetry from the Petermann Fjord and adjacent Hall Basin, Northwest Greenland

Multibeam bathymetry from Petermann Fjord and adjacent Hall Basin, Northwest Greenland, collected with Swedish icebreaker Oden. The multibeam mapping was...

Multibeam fieldsheets for the AGAVE expedition 2007

Icebreaker Oden's trackline during the Arctic Gakkel Vents Expedition (AGAVE) 2007.

Multibeam fieldsheets for the LOMROG expedition 2007

Icebreaker Oden's trackline during the Lomonosov Ridge off Greenland (LOMROG) exedition 2007.

Multibeam fieldsheets for the OSO0708 expedition 2007–2008

Multibeam fieldsheets for the Oden Southern Ocean expedition 2007–2008.

Multibeam fieldsheets for the OSO0910 expedition 2009–2010

Multibeam fieldsheets for the Oden Southern Ocean expedition 2009–2010.

Multibeam fieldsheets for the OSO1011 expedition 2010–2011

Multibeam fieldsheets for the Oden Southern Ocean expedition 2010–2011.

Multibeam fieldsheets for the SAT0809 expeditions 2008–2009

Multibeam fieldsheets for the Sea Acceptance Test 2008 and 2009 expeditions.

The International Bathymetric Chart of the Southern Ocean (IBCSO) Version 1.0

The International Bathymetric Chart of the Southern Ocean (IBCSO) Version 1.0 is a digital bathymetric model (DBM) portraying the seafloor of 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 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...

CTD sites for the LOMROG expedition 2007

Icebreaker Oden's trackline during the Lomonosov Ridge off Greenland (LOMROG) exedition 2007.

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...

Water and CTD station from the Beringia/HOTRAX 2005 expedition

Water and CTD station carried out along the Beringia/HOTRAX 2005 expedition from icebreaker Oden.

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...

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...

Heinrich 0 on the east Canadian Margin

Data series of Ca/Sr, CaCO₃, TOC, Calcite, Dolomite, Grayscale, and selected biomarkers from sediment core AI07–14G from Placentia Bay, Newfoundland. 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...

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 proxy data sets from the Eocene-Oligocene boundary interval of ODP Site 1218, eastern Equatorial Pacific

Paleoceanographic proxy records from Ocean Drilling Program Site 1218 in the eastern equatorial Pacific (EEP): (1) stable isotope (δ¹⁸O and δ¹³C)...

Sediment cores for the LOMROG expedition 2007

Icebreaker Oden's trackline during the Lomonosov Ridge off Greenland (LOMROG) exedition 2007.

Sediment cores from the Ymer 80 expedition

Sediment cores retrieved during the Ymer 80 expedition with Swedish icebreaker Ymer. All the cores are strored at Stockholm University

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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AO2018 Atmospheric Science 14C dates AAE ACAS ACSE AERONET-Ocean Color (OC) AO16 AO18 AO2016 AO2018 APi-TOF ASCOS Acoustic Acoustic doppler profiler Aerosol Aerosol Science Aerosol optical properties Aerosol physical properties Aerosol size distribution Aerosol-Cloud-Interaction 2018 Aerosols Age model Air pollution Air-sea interaction Aitken mode particles Amino acid racemization Approximation Arctic Arctic Ocean Arctic Ocean 2016 Arctic Ocean 2018 Arctic boundary layer Arctic clouds Arctic gateways Arctic shelf seas Arctic shelves Arctic strait Atlantic meridional overturning circulation Atmosphere Atmospheric Chemistry Atmospheric Physics Atmospheric Science Atmospheric gas phase data Backscatter profile Baltic Sea Bathymetry Benthic Foraminifera Benthic foraminifera Bering Strait Biogenic aerosols Biogeochemistry Biomarkers Biostratigraphy Brown Carbon Bubble Bulk carbonate Bulk marine sediment CDOM CO₂ reconstruction CPC3776 CTD CTD data Carbon Carbon and Oxygen isotopes Carbon and oxygen isotopes Carbon cycle Carbon cycling Carbon dioxide Carbon dioxide reconstructions Carbon isotope Carbon remobilization Carbon system Carbonaceous aerosols Chirp Chronology Chukchi Sea Climate Climate change feedback Climate model Climate model simulation Climate modelling Climate proxy data Climate sensitivity Cloud fraction Cloud fractions Cloud-base height Cloud-base heights Clouds Clouds Aerosol Science Coastal erosion Coccolithophores Compound-specific radiocarbon Concentrations Condensation sink Conductivity DOC De Long Trough Deep sea Deep water Deglaciation Degradation Degradation rates Detrital carbonate Diatom stratigraphy Diatoms Dissolved organic carbon Dissolved oxygen Double-diffusion Droplets Drought Early Holocene East Siberia East Siberia permafrost East Siberian Margin East Siberian Sea Eastern Equatorial Pacific Eastern equatorial Pacific Echo sounder Eddy covariance Eemian Eocene Eocene-Oligocene Transition Equatorial Pacific Eutrophication Finland Fluorescence Fog Foraminifera Fossil leaves Gas transfer Geochemistry Geophysics Glacier-proximal Grain size Greenhouse Greenhouse gas Greenland Groundwater Gyre index Gyttja HMW plant-wax lipids Heinrich 0 Herald Canyon High Arctic Higher order models Holocene Hydroclimate Hydrogen isotopes Hydrography Hässeldala IBCAO IBCSO ISSS-08 Ice sheet modeling Ice shelves Ice streams Icebreaker Oden Iodic acid Ion induced nucleation Ions Iron oxides Isotopes Isotopologues Kara Sea Karelia Karelian Isthmus Kongsfjorden LADCP data Labrador Sea Lake Lake Chashnitsy Lake Kumphawapi Lake Medvedevskoye Lake Nero Lake Pastorskoye Lake Pichozero Lake Tambichozero Lake Vänern Lake Zaozer'e Lake sediments Laptev Sea Large-eddy simulations Late Miocene-early Pliocene Lateglacial Les Echets Light absorption Lignin Lithostratigraphy LoTUS Lomonosov Ridge Longwave radiation spectra Loss-on-ignition MAC365 MIS 5e MIS2 MIS3 MOCCHA Macro remains Mapping Marine Marine Heat Flow Marine chemistry Marine geology Marine geophysics Marine sediments Mass absorption Mass absorption cross-section​ Mercury Meridional overturning circulation Meteorological model data Meteorology Methane Methanesulfonic acid Methylmercury Mg/Ca Microbiology-Ocean-Cloud-Coupling in the High Arctic Micrometeorological data Midwater Mineral magnetics Miocene Climatic Optimum Model-data comparison Morphology Multi-core Multi-proxy Multi-proxy data set Multibeam Multibeam bathymetry NAIS Neutral cluster and air ion spectrometer New particle formation Newfoundland Nitrogen North Atlantic North Pole Northern Hemisphere Northern Thailand Nutrients OSL dates Ocean Ocean acidification Ocean circulation Oceanography Oden Oligocene Optical properties Organic carbon Oxygen Oxygen concentration Ozone Palaeoceanography Palaeoclimate Paleo-monsoon Paleoceanography Paleoclimate Paleoclimate reconstruction Paleoenvironment Palgrunden Particle size distribution Past carbon cycling Peat bog Percentages Permafrost Permafrost carbon Petermann Glacier Phytoplankton seasonality Placentia Bay Planktic foraminifera Planktonic foraminifera Pleistocene Pollen Pollen counts Pollen stratigraphy Pollution record Position and speed Precipitation Precipitation intensity Precipitation type Preluca Tiganului Pressure Productivity Pseudosolenia calcar-avis Pålgrunden Quaternary geochronology RV Electra Radiance measurement Radiation Radiocarbon Radiocarbon dates Radiosonde Radiosoundings Regional climate models Relative humidity Remote sensing Reservoir age Romania Russia Ryder 2019 expedition Ryder Glacier SMPS SWERUS-C3 SWERUS-C3 expedition Salinity Scanning mobility particle sizer Scattering coefficient Scattering enhancement factor Sea ice Seafloor Seafloor mapping Seafloor morphology Seafloor morphometry Seawater temperature Sediment properties Sediment size fractions Sediment transport Sedimentology Sediments Seismoacoustic Sequestration Shallow ice Ship log Ship navigation Siliceous microfossil Simrad EK80 Single beam Sokli South Asia Southern Quark Southern Sweden Spatial reconstructions Stable isotopes Steregoiu Stockholm archipelago Stomatal proxy Stratigraphy Sub-Arctic Sub-bottom profiling Subsea permafrost Subsurface ocean temperature Sulfur Sulfuric acid Sun-photometer Surface energy budget Surface water Surface water salinity Svalbard Sweden Tempelfjorden Temperature Temperature reconstruction Tephra Tethered sonde profiles Thermohaline staircases Timeseries Trace gas Transport Tropospheric chemistry Turbidity Turborotalita quinqueloba Turbulence Turbulent fluxes UCPC Ultrafine condensation particle counter Ultrafine particles Ultraviolet radiation Vertical profiles Visibility Volume transport connectivity Water column Weather Weather station Weather stations Western Gotland Basin Wind profilers X-ray diffraction XRF core scanning pH reconstruction ¹⁴C dates Åland Sea Ångström exponent