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Absorption coefficient for urban background air, Stockholm, December 2018

The dataset includes three parallel absorption coefficient measurements by two different types of instruments: one Multi-Angle Absorption Photometer (MAAP) and...

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 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)...

Aerosol particle number size distribution data collected during the Arctic Ocean 2018 marine aerosol reference tank experiments

This dataset includes measurements of aerosol particle number size distribution from the marine aerosol reference tank (MART) experiments conducted during the...

Aerosol particle type fractions from the Arctic Ocean 2018 marine aerosol reference tank experiments

This dataset includes the number fractions of aerosol particles assigned to three particle types from the marine aerosol reference tank (MART) experiments...

Air pollution status and sources of black carbon aerosols in Nairobi, Kenya

The dataset includes year-round concentration of PM2.5 fine particles and its constituents, together with radio-carbon (Δ¹⁴C) signatures of black carbon...

Black carbon concentrations and carbon isotope signatures for three sites in China, January 2013

The dataset includes concentrations, stable carbon isotope signatures (δ¹³C) and radiocarbon signatures of elemental carbon (EC - thermal-optical tracer of...

Black carbon isotope signatures from Himalaya and Tibet

Carbon isotope signatures of Elemental Carbon (EC) from aerosols and snow pits collected in Himalaya and Tibet during 2013/2014.

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 aerosol particles at Mt. Åreskutan, Sweden

The chemical composition of atmospheric particulate matter at Mt. Åreskutan, a mountaintop site in central Sweden, was analysed with a focus on its...

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 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...

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 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 and carbon isotope data of elemental carbon aerosols, Svalbard, Jan–Mar 2009

Data of high-volume PM10 aerosol samples, during high pollution events, measured at the Zeppelin Observatory, Ny-Ålesund, Svalbard. Further, radiocarbon and...

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...

Distribution of organics in aerosol particles from the Arctic Ocean 2018 marine aerosol reference tank experiments

This dataset includes a summary of the organic compounds (detected using Raman microspectroscopy) in sea spray aerosol particles. The sea spray aerosol...

Dual carbon isotope (Δ¹⁴C and δ¹³C) data for Hisar and Manora Peak, northern India

Blank corrected radiocarbon and stable carbon isotope data for the TSP aerosols collected during a winter (Dec, 2004) land campaign at Hisar and Manora Peak,...

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)....

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...

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...

Gas phase and particle time series collected in Delhi Jan – Feb 2019

This dataset contains a time series N₂O₅ and ClNO₂ data collected using a chemical ionisation mass spectrometer (CIMS), organic aerosol, nitrate and...

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 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...

Measurements of bioaerosols, bacteria and ionic composition in sea spray aerosols from experiments in the Baltic Sea

Measurements of bioaerosols, bacteria and ionic composition in sea spray aerosols from sea spray chamber experiments with seawater from the Baltic Sea. The...

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...

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...

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...

Profiles of aerosol optical properties measured during CAESAR 2014 at Åre, Sweden

This dataset provides profile measurements of aerosol optical properties (aerosol backscatter and extinction coefficient) using Raman lidar technique. The...

Representative Raman spectra of aerosol particles from the Arctic Ocean 2018 marine aerosol reference tank experiments

This dataset includes Raman spectra of the three representative particle types identified in sea spray aerosol particles generated during the marine aerosol...

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...

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...

Volatility of aerosol particles from NO₃ oxidation of α-pinene, isoprene and β-caryophyllene

The Nitrate Aerosol and Volatility Experiment (NArVE) aimed to study the NO₃-induced secondary organic aerosol (SOA) formation and evolution from three...

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...

18S and 16S DNA analysis of surface water used in the Arctic Ocean 2018 marine aerosol reference tank experiments

This dataset includes the relative sequence abundance of several taxonomic groups in seawater collected during the Arctic Ocean 2018 expedition to the central...

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...

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...

Enhanced light-absorption of black carbon in rainwater compared with aerosols over the northern Indian Ocean

The dataset includes mass concentrations of black carbon, organic carbon, water-soluble organic carbon and water-soluble ions measured in aerosols and...

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...

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...

Surface water data collected for the Arctic Ocean 2018 marine aerosol reference tank experiments

This dataset includes measurements of water temperature, salinity, chlorophyll a, dissolved organic carbon (DOC), dissolved organic nitrogen (DON), particulate...

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...