Attributes {
    time {
        String long_name "UTC time";
        String standard_name "time";
        String units "days since 1900-01-01 00:00:00.000+00:00";
    }
    AOD340 {
        String long_name "aerosol optical thickness at 340 nm";
        String standard_name "atmosphere_optical_thickness_due_to_aerosol";
        String units "1";
        String coverage_content_type "physicalMeasurement";
    }
    AOD380 {
        String long_name "aerosol optical thickness at 380 nm";
        String standard_name "atmosphere_optical_thickness_due_to_aerosol";
        String units "1";
        String coverage_content_type "physicalMeasurement";
    }
    AOD440 {
        String long_name "aerosol optical thickness at 440 nm";
        String standard_name "atmosphere_optical_thickness_due_to_aerosol";
        String units "1";
        String coverage_content_type "physicalMeasurement";
    }
    AOD500 {
        String long_name "aerosol optical thickness at 500 nm";
        String standard_name "atmosphere_optical_thickness_due_to_aerosol";
        String units "1";
        String coverage_content_type "physicalMeasurement";
    }
    AOD675 {
        String long_name "aerosol optical thickness at 675 nm";
        String standard_name "atmosphere_optical_thickness_due_to_aerosol";
        String units "1";
        String coverage_content_type "physicalMeasurement";
    }
    AOD870 {
        String long_name "aerosol optical thickness at 870 nm";
        String standard_name "atmosphere_optical_thickness_due_to_aerosol";
        String units "1";
        String coverage_content_type "physicalMeasurement";
    }
    AOD1020 {
        String long_name "aerosol optical thickness at 1020 nm";
        String standard_name "atmosphere_optical_thickness_due_to_aerosol";
        String units "1";
        String coverage_content_type "physicalMeasurement";
    }
    NC_GLOBAL {
        String station_name "Hornsund";
        String title "Aerosol optical depth from the Polish Polar Station Hornsund";
        String summary "A long-term  dataset of aerosol optical depth measurements from the Polish Polar Station Hornsund, located in the SW part of Spitsbergen.";
        String keywords "EARTH SCIENCE > ATMOSPHERE > AEROSOLS > AEROSOL OPTICAL DEPTH/THICKNESS";
        String Conventions "ACDD-1.3,CF-1.6";
        String id "IG_PAS_SIOS_SCD_1_18_AEROSOL_OPTICAL_THICKNESS";
        String naming_authority "Institute of Geophysics, Polish Academy of Sciences";
        String history "2021-11-10T08:49:57.812+00:00 first write netCDF";
        String source "automatic measurment";
        String processing_level "1.5";
        String acknowledgement "AERONET NASA";
        String license "CC BY-SA 4.0";
        String date_created "2021-11-10T08:49:57.831+00:00";
        String creator_name "Institute of Geophysics, Polish Academy of Sciences";
        String creator_email "data_steward@igf.edu.pl";
        String creator_url "https://www.igf.edu.pl";
        String institution "Institute of Geophysics, Polish Academy of Sciences";
        String project "AERONET NASA";
        String publisher_name "Brent Holben, Piotr Sobolewski";
        String publisher_email "Brent.N.Holben@nasa.gov, piotrs@igf.edu.pl";
        String publisher_url "https://aeronet.gsfc.nasa.gov, https://www.igf.edu.pl";
        String publisher_institution "Institute of Geophysics, Polish Academy of Sciences";
        String geospatial_bounds "POINT (77.001466 15.540316)";
        String geospatial_lat_min "77.001466";
        String geospatial_lat_max "77.001466";
        String geospatial_lon_min "15.540316";
        String geospatial_lon_max "15.540316";
        String geospatial_vertical_min "11";
        String geospatial_vertical_max "11";
        String time_coverage_start "2004-05-07T14:10:08.000+00:00";
        String time_coverage_end "2021-09-27T12:34:56.000+00:00";
        String featureType "timseries";
        String keywords_vocabulary "GCMD_Keywords";
        String creator_type "institution";
        String creator_institution "AERONET NASA";
        String platform "station";
        String instrument "CE318";
        String instrument_vocabulary "automatic measurment";
        String references "Giles, D. M., Sinyuk, A., Sorokin, M. G., Schafer, J. S., Smirnov, A., Slutsker, I., Eck, T. F., Holben, B. N., Lewis, J. R., Campbell, J. R., Welton, E. J., Korkin, S. V., and Lyapustin, A. I.: Advancements in the Aerosol Robotic Network (AERONET) Version 3 database \342\200\223 automated near-real-time quality control algorithm with improved cloud screening for Sun photometer aerosol optical depth (AOD) measurements, Atmos. Meas. Tech., 12, 169\342\200\223209, https://doi.org/10.5194/amt-12-169-2019, 2019.";
        String activity_type "long-term monitoring";
        String operational_status "operational";
    }
}