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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)...

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)...

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...

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...

Fine aerosols concentrations at Rwanda Climate Observatory and source apportionment of black carbon aerosols, 2014 – 2016

The dataset contains bi-annual measurements of fine aerosols at the Rwanda climate Observatory, a mountaintop site and part of the Advanced Global Atmospheric...

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...

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...

Atmosphere-ocean carbon dioxide fluxes and gas transfer velocities during SWERUS-C3 Arctic expedition

Eddy covariance observations of atmosphere-ocean fluxes of CO₂; dissolved CO₂ in surface waters, and derived gas transfer velocities during the SWERUS-C3...

Atmospheric methane and carbon dioxide and surface water methane from the SWERUS-C3 Arctic Ocean expedition in 2014, leg 1

Atmospheric observations of CH₄ and CO₂ above the Eastern Arctic Ocean, and dissolved CH₄ in surface waters of the Eastern Arctic Ocean in July and...

Atmospheric methane and carbon dioxide from the SWERUS-C3 Arctic Ocean expedition in 2014, leg 2

Shipborne atmospheric measurements of methane (CH₄) and carbon dioxide (CO₂) from the Eastern Arctic Ocean in August and September 2014. This dataset...

Carbon isotope ratio (δ¹³C) in atmospheric methane from the SWERUS-C3 Arctic Ocean expedition in 2014

Shipborne observations of methane isotopic ratio (δ¹³C) from the Eastern Arctic Ocean in July and August 2014. This dataset provides rare measurements of...

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...

Micrometeorological data from icebreaker Oden’s foremast during the Arctic Ocean 2016 expedition

Air-sea fluxes and other micrometeorological variables derived from fast response (20 Hz) measurements of the 3-dimensional wind vector, temperature and...

Micrometeorological data from icebreaker Oden’s foremast during the SWERUS-C3 Arctic Ocean expedition in 2014

Air-sea fluxes and other micrometeorological variables derived from fast response (20 Hz) measurements of the 3-dimensional wind vector, temperature and...

Earth system model simulations of 2012 to 2018 for studying vegetation-aerosol-cloud feedback

This dataset contains model output from global earth system models NorESM, UKESM, EC-Earth and ECHAM-SALSA. The simulations are Atmospheric Model...

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...

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...

Stockholm winter/spring 500-year temperature reconstruction

Historical documentary sources, reflecting different port activities in Stockholm, are used along with the instrumental temperature record to derive a...

Iodic acid, sulfuric acid and methanesulfonic acid collected during the Arctic Ocean 2018 expedition

Measurements of iodic acid, sulfuric acid and methanesulfonic acid concentration in the gas phase obtained with a nitrate chemical ionization mass spectrometer...

Ozone concentration measured during the Arctic Ocean 2018 expedition

Ozone was measured with a 2B Technology ozone monitor (model 205). The concentration is reported as a mixing ratio in parts per billion [ppb], at 60 seconds...

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...

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...

Wind profiler consensus data from the high-Arctic ASCOS expedition 2008

Wind profiler consensus data was obtained using a Doppler radar wind profilers transmitting at 449MHz. Using the Doppler shift of the return signals and...

Waterbirds species distribution in Gialova lagoon, Greece, November 2016⁠ – ⁠January 2019

This dataset contains observed waterbirds monthly richness and abundance and other diversity indices (relevant abundance and Shannon-Weaver index) at the...

Water temperatures from the arctic-alpine Lake Tarfala (Darfáljávri), Northern Sweden, 2019 – 2020 and 2021 – 2022

This dataset provides measurements of water temperature recorded in the glacier-proximal arctic-alpine Lake Tarfala in the Kebnekaise Mountains, Northern...

Time lapse imagery of the ice-on event at Lake Tarfala, Kebnekaise Mountains, northern Sweden, autumn 2022

This dataset contains images of Lake Tarfala taken every 2 hours (irrespective of day- or nighttime) during the period from 16 September, 2022 to 31 October,...

Time lapse imagery of the ice-off event at Lake Tarfala, Kebnekaise Mountains, northern Sweden, summer 2023

This dataset contains images of Lake Tarfala taken every 2 hours during the period from 10 June, 2023 to 24 July, 2023. During this period, the surface of Lake...

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...

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...

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 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 Ryder, off North Greenland, 2019

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

Data from expedition SWERUS-C3, Arctic Ocean, 2014

The SWERUS-C3 (Swedish – Russian – US Arctic Ocean Investigation of Climate-Cryosphere-Carbon Interactions) expedition was carried out during the summer of...

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 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...

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...

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...

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...

Sapwood biomass carbon in northern boreal and temperate forests

We have estimated the amount of carbon stored in the living tissue of tree stems (sapwood), based on satellite remote sensing observations during the year 2010...