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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 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)...

Arctic cloud and aerosol measurements from Zeppelin Observatory, Svalbard, November 2015 to February 2018

The dataset includes cloud, aerosol and meteorological data from Zeppelin Observatory, Svalbard, for the period 27 November 2015 to 4 February 2018. This...

Chemical and physical properties of cloud residuals measured during the Ny-Ålesund Aerosol Cloud Experiment 2019 – 2020

Molecular-level information about the chemical composition of cloud residuals, measured with a filter inlet for gases and aerosols coupled to an iodide high...

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...

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)...

Concentration and carbon isotope data of elemental carbon aerosols, Abisko, Sweden, September 2011 to March 2013

Data of high-volume PM2.5 and TSP aerosol samples, measured in Abisko, northern Sweden. The data cover 18 months of consecutive sampling. Sampling duration is...

Concentration of bioaerosols and ice nucleating particles at Zeppelin Observatory, Svalbard, 2017 – 2020

Using a single-particle online optical instrument we measured the coarse particle concentration (optical diameter bigger than 0.8 µm) at the Zeppelin...

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 in- and outside low-level Arctic clouds at Zeppelin Observatory, Svalbard, 2015⁠ – ⁠2019

We have measured the concentration of black carbon concentrations in air and within particles that served as cloud nuclei for the course of four years, from...

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...

Fluorescent primary biological aerosol particle concentrations in low-level Arctic cloud residuals in Svalbard 2019 – 2021

Using an optical single-particle instrument we measured the particle concentration of coarse-mode aerosol (optical diameters larger than 0.8 µm) within cloud...

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...

Light absorbing aerosol along with air mass history measured at the Zeppelin observatory in Svalbard

The dataset includes a harmonised 22-year long time series (2002 – 2023) of light-absorbing aerosol atmospheric particles. In support of the harmonised...

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...

Observation (carbon isotopes) and model data for Arctic black carbon, Tiksi, Russia, April 2012 to March 2014

Data of high-volume total suspended particles (TSP) aerosol samples, measured in Tiksi, Northeast Siberia, Russia. The data cover ~24 months of consecutive...

Sea salt aerosol elemental mole ratios from the Arctic Ocean 2018 marine aerosol reference tank experiments

This dataset includes the mean and 95% confidence intervals for the mole ratios C/Na, Cl/Na, S/Na, N/Na, Mg/Na, Ca/Na measured from individual submicron and...

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...

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...

Air parcel trajectories for the expedition ARTofMELT, Arctic Ocean, 2023 — raw data

10-day backward and forward air parcel trajectories were calculated along the ship track of the Swedish icebreaker Oden during the ARTofMELT (Atmospheric...

Backward trajectories along the ship track using the LAGRANTO model, for the expedition ARTofMELT, Arctic Ocean, 2023

7-day backward trajectories from along the ship track of the Swedish icebreaker Oden during the ARTofMELT (Atmospheric Rivers and the Onset of Arctic Melt)...

Backward trajectories within a circle around the ship using the LAGRANTO model, for the expedition ARTofMELT, Arctic Ocean, 2023

7-day backward trajectories from within a circle around the ship track of the Swedish icebreaker Oden during the ARTofMELT (Atmospheric Rivers and the Onset of...

Forward trajectories along the ship track using the LAGRANTO model, for the expedition ARTofMELT, Arctic Ocean, 2023

7-day forward trajectories from along the ship track of the Swedish icebreaker Oden during the ARTofMELT (Atmospheric Rivers and the Onset of Arctic Melt)...

Forward trajectories within a circle around the ship using the LAGRANTO model, for the expedition ARTofMELT, Arctic Ocean, 2023

7-day forward trajectories from within a circle around the ship track of the Swedish icebreaker Oden during the ARTofMELT (Atmospheric Rivers and the Onset of...

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 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...

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...

Sulfuric acid condensation sink calculated for the Arctic Ocean 2018 expedition

The condensation sink is a measure of the sulfuric acid lifetime against condensation on preexisting aerosol particles. Dimensionally it is the inverse of a...

Micrometeorological data from an ice-floe site during the high-Arctic ASCOS expedition 2008

Micrometeorological observations were collected from two masts on an ice floe a few hundred meters from the Icebreaker Oden during ice drift of the ASCOS...

Micrometeorological data from icebreaker Oden’s foremast during expedition ARTofMELT, Arctic Ocean, 2023

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

Micrometeorological data from icebreaker Oden’s foremast during Ryder 2019 and Northwest passage 2019 expeditions

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 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 Arctic Ocean 2018 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...

Atmosphere-ocean coupled single-column model (AOSCM) simulations for a point in the Arctic Ocean, 1⁠ – 3 August 2014

This dataset consists of input data (atmospheric initial conditions and forcing, ocean initial conditions, sea ice initial conditions, namelist files and 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 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...

Ultraviolet radiation data from the high-Arctic ASCOS expedition 2008

Incoming and outgoing ultraviolet radiation was measured by a semi-portable sensor with a NILU-UV multiband filter-radiometer. This was sometime located at the...

ERA-Interim reanalysis data interpolated to Icebreaker Oden’s position during the high-Arctic ASCOS expedition 2008

A subset of reanalysis data, interpolated to the Icebreaker Oden's position during the ASCOS expedition. ERA-Interim data is a reanalysis effort from the ECMWF...

Marine-Atmospheric Emitted Radiance Interferometer from the high-Arctic ASCOS expedition 2008

During the ASCOS expedition the temperatures of the cloud-base, ambient air, and surface were very accurately measured using the Marine-Atmospheric Emitted...

Monthly mean air temperatures from Tarfala Research Station, Kebnekaise Mountains, Northern Sweden

This dataset contains monthly mean air temperatures from Tarfala Research Station, acquired since 1965 and updated annually. Tarfala Research Station (TRS),...

Radiometer data from the high-Arctic ASCOS expedition 2008

High resolution (in time and space) vertical profiles of temperature were obtained from a 60GHz scanning microwave radiometer. The radiometer measures the...

Simulated seasonal temperatures 850–2005 for the seven PAGES 2k regions derived from the CESM last millennium ensemble

Simulated surface air temperature data derived from the Last Millennium Ensemble with the Community Earth System Model (CESM) version 1.1, for the period AD...

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...

Cloud base heights and atmospheric backscatter observations from expedition ARTofMELT, Arctic Ocean, 2023

Cloud base heights and atmospheric backscatter data are obtained from a lidar ceilometer instrument deployed on the 7th top deck of the Swedish icebreaker Oden...

Cloud base heights and atmospheric backscatter observations from expedition ARTofMELT, Arctic Ocean, 2023 — raw data

Cloud base heights and atmospheric backscatter data are obtained from a lidar ceilometer instrument deployed on the 7th top deck of the Swedish icebreaker Oden...

Integrated column water vapor and liquid water paths from expedition ARTofMELT, Arctic Ocean, 2023

Estimates of vertically integrated water-vapor and liquid-water paths are obtained from measurements with a HATPRO5 passive microwave radiometer deployed on...

Integrated column water vapor and liquid water paths from expedition ARTofMELT, Arctic Ocean, 2023 — raw data

Estimates of vertically integrated water-vapor and liquid-water paths are obtained from measurements with a HATPRO5 passive microwave radiometer deployed on...

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...

Radiosonde profiles from expedition ARTofMELT, Arctic Ocean, 2023

Atmospheric profile measurements of temperature, humidity, pressure and wind speed are obtained from radiosonde weather balloons, launched from the Swedish...

Radiosonde profiles from expedition ARTofMELT, Arctic Ocean, 2023 — raw data

Atmospheric profile measurements of temperature, humidity, pressure and wind speed are obtained from radiosonde weather balloons, launched from the Swedish...

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...

Temperature and humidity profiles from microwave radiometer during expedition ARTofMELT, Arctic Ocean, 2023

Profiles of temperature and humidity are obtained from an RPG HATPRO5 microwave radiometer deployed on the roof of a container on the 4th deck of Oden during...

Temperature and humidity profiles from microwave radiometer during expedition ARTofMELT, Arctic Ocean, 2023 — raw data

Profiles of temperature and humidity are obtained from an RPG HATPRO5 microwave radiometer deployed on the roof of a container on the 4th deck of Oden during...

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...

Visibility, precipitation and present weather observations from expedition ARTofMELT, Arctic Ocean, 2023

Horisontal visibility, precipitation rate and air temperature data are obtained from a Present Weather observation station deployed on the 7th top deck of the...

Visibility, precipitation and present weather observations from expedition ARTofMELT, Arctic Ocean, 2023 — raw data

Horisontal visibility, precipitation rate and air temperature data are obtained from a Present Weather observation station deployed on the 7th top deck of the...

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...

Wind, temperature, relative humidity, surface temperature and radiation from expedition ARTofMELT, Arctic Ocean, 2023

A weather station was deployed on the 7th top deck of the Swedish icebreaker Oden during the ARTofMELT (Atmospheric Rivers and the Onset of Arctic Melt)...

Wind, temperature, relative humidity, surface temperature and radiation from expedition ARTofMELT, Arctic Ocean, 2023 — raw data

A weather station was deployed on the 7th top deck of the Swedish icebreaker Oden during the ARTofMELT (Atmospheric Rivers and the Onset of Arctic Melt)...

SODAR wind profile data from the high-Arctic ASCOS expedition 2008

Wind profile data was obtained by sound detection and ranging (SODAR) which transmit audible sound pulses at several wave lengths. Using the Doppler shift of...

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...

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

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