IADC Italian Arctic Data Center ERDDAP
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Row Type Variable Name Attribute Name Data Type Value
attribute NC_GLOBAL acknowledgement String The dataset is provided in the framework of the SIOS core data curation call [Research Council of Norway, project number 2022_SCD_01, Svalbard Integrated Arctic Earth Observing System - Knowledge Centre, operational phase]
attribute NC_GLOBAL cdm_data_type String TimeSeries
attribute NC_GLOBAL cdm_timeseries_variables String station_id,latitude,longitude
attribute NC_GLOBAL Conventions String ACDD-1.3, COARDS, CF-1.6
attribute NC_GLOBAL creator_email String mauro.mazzola at cnr.it
attribute NC_GLOBAL creator_name String CNR
attribute NC_GLOBAL creator_type String institution
attribute NC_GLOBAL creator_url String https://iadc.cnr.it (external link)
attribute NC_GLOBAL Easternmost_Easting double 11.86587
attribute NC_GLOBAL featureType String TimeSeries
attribute NC_GLOBAL geospatial_lat_max double 78.92136
attribute NC_GLOBAL geospatial_lat_min double 78.92136
attribute NC_GLOBAL geospatial_lat_units String degrees_north
attribute NC_GLOBAL geospatial_lon_max double 11.86587
attribute NC_GLOBAL geospatial_lon_min double 11.86587
attribute NC_GLOBAL geospatial_lon_units String degrees_east
attribute NC_GLOBAL history String For the scattering coefficient the truncation error correction is performed according to Muller et al. (2009) and assuming a scattering angstrom exponent of 1.15 (Schmeisser et al., 2018). For absorption coefficient, the PSAP measurements are corrected according to Bond et al. (1999) for flow and sampling filter area and according to Virkkula et al. (2011) for loading and shadowing effect, using simultaneous scattering coefficient measurements. For all the aerosols instruments, quality control procedures will include periodic flow calibration, and blank measurements using a HEPA filter to detect potential leak and verify the instrumental detection limit. In addition, the aethalometer quality assurance procedure will include the leak check to test and quantify the presence potential leaks, the stability test to verify sensors noise, and the optical performance test to check for the detector response at the different operating wavelengths. Both absorption and scattering coefficient measurements are normalized at standard pressure and temperature conditions (1 atm and 0 degC), averaged over a 1-hour period, and provided at all available wavelengths.
attribute NC_GLOBAL infoUrl String https://iadc.cnr.it (external link)
attribute NC_GLOBAL institution String CNR
attribute NC_GLOBAL keywords String aerosol absorption coefficient, aerosol scattering coefficient
attribute NC_GLOBAL keywords_vocabulary String GCMD Science Keywords
attribute NC_GLOBAL license String CC BY-NC: This license allows reusers to distribute, remix, adapt, and build upon the material in any medium or format for noncommercial purposes only, and only so long as attribution is given to the creator.
attribute NC_GLOBAL Northernmost_Northing double 78.92136
attribute NC_GLOBAL product_version String 2022
attribute NC_GLOBAL references String Müller, T., Nowak, A., Wiedensohler, A., Sheridan, P., Laborde, M., Covert, D.S., Marinoni, A., Imre, K., Henzing, B., Roger, J.C., Martins dos Santos, S., Wilhelm, R., Wang, Y.Q., de Leeuw, G. (2009) Angular Illumination and Truncation of Three Different Integrating Nephelometers: Implications for Empirical, Size-Based Corrections, Aerosol Science and Technology, 43:6, 581-586, DOI: 10.1080/02786820902798484; Schmeisser, L., Backman, J., Ogren, J. A., Andrews, E., Asmi, E., Starkweather, S., Uttal, T., Fiebig, M., Sharma, S., Eleftheriadis, K., Vratolis, S., Bergin, M., Tunved, P., and Jefferson, A.: Seasonality of aerosol optical properties in the Arctic, Atmos. Chem. Phys., 18, 11599-11622, https://doi.org/10.5194/acp-18-11599-2018, 2018; Bond, T.C., Anderson, T.L., Campbell, D. (1999) Calibration and Intercomparison of Filter-Based Measurements of Visible Light Absorption by Aerosols, Aerosol Science and Technology, 30:6, 582-600, DOI: 10.1080/027868299304435; Virkkula, A., Backman, J., Aalto, P. P., Hulkkonen, M., Riuttanen, L., Nieminen, T., dal Maso, M., Sogacheva, L., de Leeuw, G., and Kulmala, M.: Seasonal cycle, size dependencies, and source analyses of aerosol optical properties at the SMEAR II measurement station in Hyytiälä, Finland, Atmos. Chem. Phys., 11, 4445-4468, https://doi.org/10.5194/acp-11-4445-2011, 2011.
attribute NC_GLOBAL sourceUrl String (local files)
attribute NC_GLOBAL Southernmost_Northing double 78.92136
attribute NC_GLOBAL standard_name_vocabulary String CF Standard Name Table v55
attribute NC_GLOBAL summary String At the Gruvebadet Aerosol Laboratory (GAL) aerosol scattering coefficient is measured at a single wavelength (530 nm) using a Radiance Research nephelometer. Data is acquired continuously at 1-minute time resolution. Aerosol light absorption is measured at three wavelengths with a Radiance Research PSAP at 1-minute time resolution at 467 nm, 530 nm, and 660 nm.
attribute NC_GLOBAL time_coverage_end String 2021-12-31T23:00:00Z
attribute NC_GLOBAL time_coverage_start String 2021-01-01T01:00:00Z
attribute NC_GLOBAL title String Aerosol scattering and absorption coefficients at the Gruvebadet Aerosol Laboratory (Svalbard)
attribute NC_GLOBAL Westernmost_Easting double 11.86587
variable station_id String
attribute station_id actual_range String Gruvebadet\nGruvebadet
attribute station_id cf_role String timeseries_id
attribute station_id long_name String Id of the station in the TimeSeries
variable latitude float
attribute latitude _CoordinateAxisType String Lat
attribute latitude actual_range float 78.92136, 78.92136
attribute latitude axis String Y
attribute latitude ioos_category String Location
attribute latitude long_name String latitude position of the station
attribute latitude standard_name String latitude
attribute latitude units String degrees_north
variable longitude float
attribute longitude _CoordinateAxisType String Lon
attribute longitude actual_range float 11.86587, 11.86587
attribute longitude axis String X
attribute longitude ioos_category String Location
attribute longitude long_name String longitude position of the station
attribute longitude standard_name String longitude
attribute longitude units String degrees_east
variable time double
attribute time _CoordinateAxisType String Time
attribute time actual_range double 1.6094628E9, 1.6409916E9
attribute time axis String T
attribute time ioos_category String Time
attribute time long_name String Date and time of the measurement
attribute time standard_name String time
attribute time time_origin String 01-JAN-1970 00:00:00
attribute time units String seconds since 1970-01-01T00:00:00Z
variable aerosol_absorption_coefficient_467nm float
attribute aerosol_absorption_coefficient_467nm _FillValue float NaN
attribute aerosol_absorption_coefficient_467nm actual_range float -0.252, 4.257
attribute aerosol_absorption_coefficient_467nm comment String See full report.
attribute aerosol_absorption_coefficient_467nm ioos_category String Unknown
attribute aerosol_absorption_coefficient_467nm long_name String Aerosol absorption coefficient (1 hour average) measured at 467 nm and standard temperature and pressure
attribute aerosol_absorption_coefficient_467nm standard_name String volume_absorption_coefficient_of_radiative_flux_in_air_due_to_ambient_aerosol_particles
attribute aerosol_absorption_coefficient_467nm units String m^-1
variable aerosol_absorption_coefficient_530nm float
attribute aerosol_absorption_coefficient_530nm _FillValue float NaN
attribute aerosol_absorption_coefficient_530nm actual_range float -0.272, 3.353
attribute aerosol_absorption_coefficient_530nm comment String See full report.
attribute aerosol_absorption_coefficient_530nm ioos_category String Unknown
attribute aerosol_absorption_coefficient_530nm long_name String Aerosol absorption coefficient (1 hour average) measured at 530 nm and standard temperature and pressure
attribute aerosol_absorption_coefficient_530nm standard_name String volume_absorption_coefficient_of_radiative_flux_in_air_due_to_ambient_aerosol_particles
attribute aerosol_absorption_coefficient_530nm units String m^-1
variable aerosol_absorption_coefficient_660nm float
attribute aerosol_absorption_coefficient_660nm _FillValue float NaN
attribute aerosol_absorption_coefficient_660nm actual_range float -0.296, 3.541
attribute aerosol_absorption_coefficient_660nm comment String See full report.
attribute aerosol_absorption_coefficient_660nm ioos_category String Unknown
attribute aerosol_absorption_coefficient_660nm long_name String Aerosol absorption coefficient (1 hour average) measured at 660 nm and standard temperature and pressure
attribute aerosol_absorption_coefficient_660nm standard_name String volume_absorption_coefficient_of_radiative_flux_in_air_due_to_ambient_aerosol_particles
attribute aerosol_absorption_coefficient_660nm units String m^-1
variable aerosol_scattering_coefficient_530nm float
attribute aerosol_scattering_coefficient_530nm _FillValue float NaN
attribute aerosol_scattering_coefficient_530nm actual_range float 0.334, 29.574
attribute aerosol_scattering_coefficient_530nm comment String See full report.
attribute aerosol_scattering_coefficient_530nm ioos_category String Unknown
attribute aerosol_scattering_coefficient_530nm long_name String Aerosol scattering coefficient (1 hour average) measured at 530 nm and standard temperature and pressure
attribute aerosol_scattering_coefficient_530nm standard_name String volume_scattering_coefficient_of_radiative_flux_in_air_due_to_ambient_aerosol_particles
attribute aerosol_scattering_coefficient_530nm units String m^-1

 
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