Ionic composition of particulate matter (PM10) from high-volume sampling over the Southern Ocean during the austral summer of 2016/2017 on board the Antarctic Circumnavigation Expedition (ACE).

Date file(s): ACESPACE_particulate_matter_pm10_ionic_composition_highvolume.csv

start_datetime(UTC): Date and time at the start of sampling of respective filter. [UTC]
start_latitude(degN): Latitude of the vessel’s geographical position at the start of sampling of respective filter. [degrees North]
start_longitude(degE): Longitude of the vessel’s geographical position at the start of sampling of respective filter. [degrees East]
end_datetime(UTC): Date and time at the end of sampling of respective filter. [UTC]
end_latitude(degN): Latitude of the vessel’s geographical position at the end of sampling of respective filter. [degrees North]
end_longitude(degE): Longitude of the vessel’s geographical position at the end of sampling of respective filter. [degrees East]
volume_of_sampled_air(m^3): Volume of air sampled through respective filter between start and end of sampling. [cubic meter]
mass_concentration_of_pm10_ambient_aerosol_particles_in_air(kg m^-3): Mass concentration of particles with a mobility diameter below 10 micrometers (PM10) for given sampling period. As reference volume, the volume of air sampled through the filter was used. [kilograms per cubic meter]
mass_concentration_of_pm10_chloride_dry_aerosol_particles_in_air(kg m^-3): Mass concentration of chloride in sampled PM10 particles on respective filter. Chloride filter content from ion chromatography. As reference volume, the volume of air sampled through the filter was used. [kilograms per cubic meter]
mass_concentration_of_pm10_nitrate_dry_aerosol_particles_in_air(kg m^-3): Mass concentration of nitrate in sampled PM10 particles on respective filter. Nitrate filter content from ion chromatography. As reference volume, the volume of air sampled through the filter was used. [kilograms per cubic meter]
mass_concentration_of_pm10_sulfate_dry_aerosol_particles_in_air(kg m^-3): Mass concentration of sulfate in sampled PM10 particles on respective filter. Sulfate filter content from ion chromatography. As reference volume, the volume of air sampled through the filter was used. [kilograms per cubic meter]
mass_concentration_of_pm10_oxalate_dry_aerosol_particles_in_air(kg m^-3): Mass concentration of oxalate in sampled PM10 particles on respective filter. Oxalate filter content from ion chromatography. As reference volume, the volume of air sampled through the filter was used. [kilograms per cubic meter]
mass_concentration_of_pm10_bromide_dry_aerosol_particles_in_air(kg m^-3): Mass concentration of bromide in sampled PM10 particles on respective filter. Bromide filter content from ion chromatography. As reference volume, the volume of air sampled through the filter was used. [kilograms per cubic meter]
mass_concentration_of_pm10_methanesulfonic_acid_dry_aerosol_particles_in_air(kg m^-3): Mass concentration of methanesulfonic acid in sampled PM10 particles on respective filter. Methanesulfonic acid filter content from ion chromatography. As reference volume, the volume of air sampled through the filter was used. [kilograms per cubic meter]
mass_concentration_of_pm10_sodium_dry_aerosol_particles_in_air(kg m^-3): Mass concentration of sodium in sampled PM10 particles on respective filter. Sodium filter content from ion chromatography. As reference volume, the volume of air sampled through the filter was used. [kilograms per cubic meter]
mass_concentration_of_pm10_ammonium_dry_aerosol_particles_in_air(kg m^-3): Mass concentration of ammonium in sampled PM10 particles on respective filter. Ammonium filter content from ion chromatography. As reference volume, the volume of air sampled through the filter was used. [kilograms per cubic meter]
mass_concentration_of_pm10_potassium_dry_aerosol_particles_in_air(kg m^-3): Mass concentration of potassium in sampled PM10 particles on respective filter. Potassium filter content from ion chromatography. As reference volume, the volume of air sampled through the filter was used. [kilograms per cubic meter]
mass_concentration_of_pm10_magnesium_dry_aerosol_particles_in_air(kg m^-3): Mass concentration of magnesium in sampled PM10 particles on respective filter. Magnesium filter content from ion chromatography. As reference volume, the volume of air sampled through the filter was used. [kilograms per cubic meter]
mass_concentration_of_pm10_calcium_dry_aerosol_particles_in_air(kg m^-3): Mass concentration of calcium in sampled PM10 particles on respective filter. Calcium filter content from ion chromatography. As reference volume, the volume of air sampled through the filter was used. [kilograms per cubic meter]
quality_flag: Quality flag (QF) for respective filter, primarily based on the volume of sampled air. A value of one (QF=1) indicates good data quality for all given quantities. Zero values (QF=0) indicate bad data quality, given quantities should be treated carefully. [-]

Wherever possible, these parameter names conform to the CF standard names (version 72) https://cfconventions.org/Data/cf-standard-names/72/build/cf-standard-name-table.html

Missing values: Values not available are given as NaN (not a number).