HDF5 file, superblock version 2
group /
	attribute Conventions = "CF-1.8, ACDD-1.3"
	attribute acknowledgement = "Data used in this <study/report/figure/etc.> were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the framework: EMEP."
	attribute citation = "Hueglin, C., EMEP, 2026, Inorganics in air and particle phase at Beromünster, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/N238-UAC6"
	attribute contributor_name = "Thomas Seitz"
	attribute contributor_role = "data submitter"
	attribute creator_email = ""
	attribute creator_institution = ""
	attribute creator_name = "Christoph Hueglin"
	attribute creator_type = "person"
	attribute date_created = "2026-08-03T12:24:31.899939Z"
	attribute date_metadata_modified = "2026-07-27T00:00:00Z"
	attribute doi = "https://doi.org/10.48597/N238-UAC6"
	attribute ebas_acknowledgement = "Data used in this <study/report/figure/etc.> were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the framework: EMEP."
	attribute ebas_citation = "Hueglin, C., EMEP, 2026, Inorganics in air and particle phase at Beromünster, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/N238-UAC6"
	attribute ebas_contains_doi = "https://doi.org/10.48597/N238-UAC6"
	attribute ebas_data_definition = "EBAS_1.1"
	attribute ebas_data_level = "2"
	attribute ebas_data_license = "https://creativecommons.org/licenses/by/4.0/"
	attribute ebas_export_filter = "exclude-900,exclude-invalid"
	attribute ebas_export_state = "2026-08-03T12:24:31.899939Z"
	attribute ebas_file_creation = "2026-08-03T12:26:47.651661Z"
	attribute ebas_file_name = "N238-UAC6.nc"
	attribute ebas_framework_acronym = "EMEP"
	attribute ebas_framework_contact_email = "kt@nilu.no"
	attribute ebas_framework_contact_name = "Kjetil Tørseth"
	attribute ebas_framework_description = "The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems."
	attribute ebas_framework_name = "European Monitoring and Evaluation Programme"
	attribute ebas_instrument_name = "mini_53"
	attribute ebas_instrument_type = "CEH_denuder"
	attribute ebas_laboratory_code = "CH01L"
	attribute ebas_method_ref = "CH01L_den"
	attribute ebas_organization = "CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland"
	attribute ebas_originator = "\"Hueglin, Christoph, , , , , , , , , \""
	attribute ebas_period_code = "9y"
	attribute ebas_platform_code = "CH0053S"
	attribute ebas_regime = "IMG"
	attribute ebas_represents_doi = "https://doi.org/10.48597/N238-UAC6"
	attribute ebas_resolution_code = "2w"
	attribute ebas_revision_date = "2026-07-27T00:00:00.000000Z"
	attribute ebas_sample_duration = "2w"
	attribute ebas_set_type_code = "TI"
	attribute ebas_startdate = "2017-03-14T10:00:00.000000Z"
	attribute ebas_station_altitude = "797.0 m"
	attribute ebas_station_code = "CH0053R"
	attribute ebas_station_gaw_id = "BRM"
	attribute ebas_station_gaw_name = "BEROMUENSTER"
	attribute ebas_station_gaw_type = "R"
	attribute ebas_station_land_use = "Agricultural"
	attribute ebas_station_latitude = 47.18961391
	attribute ebas_station_longitude = 8.175433684
	attribute ebas_station_name = "Beromünster"
	attribute ebas_station_setting = "Rural"
	attribute ebas_station_wdca_id = "GAWACH__BRM"
	attribute ebas_station_wmo_region = 7
	attribute ebas_statistics = "arithmetic mean"
	attribute ebas_submitter = "\"Seitz, Thomas, , , , , , , , , \""
	attribute ebas_timezone = "UTC"
	attribute featureType = "timeSeries"
	attribute geospatial_bounds = "POINT Z (8.175433684 47.18961391 797)"
	attribute geospatial_bounds_crs = "EPSG:4979"
	attribute geospatial_lat_max = 47.18961391
	attribute geospatial_lat_min = 47.18961391
	attribute geospatial_lon_max = 8.175433684
	attribute geospatial_lon_min = 8.175433684
	attribute geospatial_vertical_max = 797.0
	attribute geospatial_vertical_min = 797.0
	attribute geospatial_vertical_positive = "up"
	attribute id = "N238-UAC6.nc"
	attribute institution = "CH01L \"Swiss Federal Laboratories for Materials Science and Technology\" EMPA \"Section Air Pollution\" \"Überlandstrasse 133\" 8600 Dübendorf Switzerland"
	attribute keywords = "Beromünster CH0053R ammonia ammonium nitrate nitric_acid air aerosol EMEP mass_concentration_of_ammonia_expressed_as_nitrogen_in_air mass_concentration_of_ammonium_expressed_as_nitrogen_in_dry_aerosol_particles_in_air mass_concentration_of_ammonium_in_dry_aerosol_particles_in_air mass_concentration_of_nitrate_expressed_as_nitrogen_in_dry_aerosol_particles_in_air mass_concentration_of_nitrate_in_dry_aerosol_particles_in_air mass_concentration_of_nitric_acid_expressed_as_nitrogen_in_air"
	attribute license = "https://creativecommons.org/licenses/by/4.0/"
	attribute naming_authority = "no.nilu.ebas"
	attribute processing_level = "2: final (Physical parameters, aggregated (if needed), info on variability recommended, quality assured by human inspection. This is the typical EBAS data level meant for dissemination and long term preservation.)"
	attribute project = "EMEP"
	attribute publisher_email = "ebas@nilu.no"
	attribute publisher_institution = "NILU - Norwegian Institute for Air Research, ATMOS, EBAS"
	attribute publisher_name = "NILU - Norwegian Institute for Air Research, ATMOS, EBAS"
	attribute publisher_type = "institution"
	attribute publisher_url = "http://ebas.nilu.no/"
	attribute source = "surface observation"
	attribute summary = "Inorganics in air and particle phase at Beromünster. These measurements are gathered as a part of the following projects EMEP and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: ['ammonia in air (mass_concentration_of_ammonia_expressed_as_nitrogen_in_air)', 'ammonium in aerosol (mass_concentration_of_ammonium_expressed_as_nitrogen_in_dry_aerosol_particles_in_air)', 'ammonium in aerosol (mass_concentration_of_ammonium_in_dry_aerosol_particles_in_air)', 'nitrate in aerosol (mass_concentration_of_nitrate_expressed_as_nitrogen_in_dry_aerosol_particles_in_air)', 'nitrate in aerosol (mass_concentration_of_nitrate_in_dry_aerosol_particles_in_air)', 'nitric_acid in air (mass_concentration_of_nitric_acid_expressed_as_nitrogen_in_air)']"
	attribute time_coverage_duration = "P0008-09-24T00:00:00"
	attribute time_coverage_end = "2026-01-07T10:00:00Z"
	attribute time_coverage_resolution = "P0000-00-14T00:00:00"
	attribute time_coverage_start = "2017-03-14T10:00:00Z"
	attribute timezone = "UTC"
	attribute title = "Inorganics in air and particle phase at Beromünster"
dataset /meta_ammonia: string, shape (8)
	attribute long_name = "ebas metadata for different time intervals; json encoded"
dataset /meta_ammonium_ug_N_per_m3: string, shape (8)
	attribute long_name = "ebas metadata for different time intervals; json encoded"
dataset /meta_ammonium_ug_per_m3: string, shape (8)
	attribute long_name = "ebas metadata for different time intervals; json encoded"
dataset /meta_nitrate_ug_N_per_m3: string, shape (8)
	attribute long_name = "ebas metadata for different time intervals; json encoded"
dataset /meta_nitrate_ug_per_m3: string, shape (8)
	attribute long_name = "ebas metadata for different time intervals; json encoded"
dataset /meta_nitric_acid: string, shape (8)
	attribute long_name = "ebas metadata for different time intervals; json encoded"
dataset /metadata_time: float64, shape (8)
	attribute axis = "T"
	attribute bounds = "metadata_time_bnds"
	attribute calendar = "standard"
	attribute long_name = "time of ebas metadata intervals"
	attribute standard_name = "time"
	attribute units = "days since 1900-01-01T00:00:00Z"
// metadata_time: first 42954.916666666664, last 45845.416666666664, count 8
dataset /metadata_time_bnds: float64, shape (8, 2)
	attribute long_name = "time bounds for ebas metadata intervals"
dataset /qc_ammonia: int32, shape (1, 203)
	attribute _FillValue = 0
	attribute missing_value = 0
	attribute standard_name = "status_flag"
	attribute units = "1"
dataset /qc_ammonia_flags: float32, shape (1)
dataset /qc_ammonium_ug_N_per_m3: int32, shape (1, 203)
	attribute _FillValue = 0
	attribute missing_value = 0
	attribute standard_name = "status_flag"
	attribute units = "1"
dataset /qc_ammonium_ug_N_per_m3_flags: float32, shape (1)
dataset /qc_ammonium_ug_per_m3: int32, shape (1, 203)
	attribute _FillValue = 0
	attribute missing_value = 0
	attribute standard_name = "status_flag"
	attribute units = "1"
dataset /qc_ammonium_ug_per_m3_flags: float32, shape (1)
dataset /qc_nitrate_ug_N_per_m3: int32, shape (1, 203)
	attribute _FillValue = 0
	attribute missing_value = 0
	attribute standard_name = "status_flag"
	attribute units = "1"
dataset /qc_nitrate_ug_N_per_m3_flags: float32, shape (1)
dataset /qc_nitrate_ug_per_m3: int32, shape (1, 203)
	attribute _FillValue = 0
	attribute missing_value = 0
	attribute standard_name = "status_flag"
	attribute units = "1"
dataset /qc_nitrate_ug_per_m3_flags: float32, shape (1)
dataset /qc_nitric_acid: int32, shape (1, 203)
	attribute _FillValue = 0
	attribute missing_value = 0
	attribute standard_name = "status_flag"
	attribute units = "1"
dataset /qc_nitric_acid_flags: float32, shape (1)
dataset /tbnds: float32, shape (2)
dataset /time: float64, shape (203)
	attribute axis = "T"
	attribute bounds = "time_bnds"
	attribute calendar = "standard"
	attribute long_name = "time of measurement"
	attribute standard_name = "time"
	attribute units = "days since 1900-01-01T00:00:00Z"
// time: first 42813.916666666664, last 46019.416666666664, count 203
dataset /time_bnds: float64, shape (203, 2)
	attribute long_name = "time bounds for measurement"
dataset /v_ammonia: float64, shape (203)
	attribute _FillValue = nan
	attribute actris_access_restriction = 0
	attribute actris_constraints_preferred_term = "expressed as nitrogen"
	attribute actris_constraints_uri = "https://vocabulary.actris.nilu.no/actris_vocab/expressedasnitrogen"
	attribute actris_framework_preferred_term = "EMEP"
	attribute actris_framework_uri = "https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP"
	attribute actris_instrument_type_preferred_term = "denuder"
	attribute actris_instrument_type_uri = "https://vocabulary.actris.nilu.no/actris_vocab/denuder"
	attribute actris_matrix_preferred_term = "gas phase"
	attribute actris_matrix_uri = "https://vocabulary.actris.nilu.no/actris_vocab/gasphase"
	attribute actris_temporal_resolution = "P14D"
	attribute actris_timeliness_preferred_term = "scheduled"
	attribute actris_timeliness_uri = "https://vocabulary.actris.nilu.no/actris_vocab/scheduled"
	attribute actris_variable_preferred_term = "ammonia mass concentration"
	attribute actris_variable_uri = "https://vocabulary.actris.nilu.no/actris_vocab/ammoniamassconcentration"
	attribute ancillary_variables = "qc_ammonia meta_ammonia"
	attribute cell_methods = "time: mean"
	attribute ebas_acknowledgement = "Data used in this <study/report/figure/etc.> were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the framework: EMEP."
	attribute ebas_component = "ammonia"
	attribute ebas_data_level = "2"
	attribute ebas_data_license = "https://creativecommons.org/licenses/by/4.0/"
	attribute ebas_framework_acronym = "EMEP"
	attribute ebas_framework_contact_email = "kt@nilu.no"
	attribute ebas_framework_contact_name = "Kjetil Tørseth"
	attribute ebas_framework_description = "The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems."
	attribute ebas_framework_name = "European Monitoring and Evaluation Programme"
	attribute ebas_instrument_name = "mini_53"
	attribute ebas_instrument_type = "CEH_denuder"
	attribute ebas_laboratory_code = "CH01L"
	attribute ebas_matrix = "air"
	attribute ebas_method_ref = "CH01L_den"
	attribute ebas_organization = "CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland"
	attribute ebas_originator = "\"Hueglin, Christoph, , , , , , , , , \""
	attribute ebas_platform_code = "CH0053S"
	attribute ebas_regime = "IMG"
	attribute ebas_revision_date = "2026-07-27T00:00:00.000000Z"
	attribute ebas_sample_duration = "2w"
	attribute ebas_station_altitude = "797.0 m"
	attribute ebas_station_code = "CH0053R"
	attribute ebas_station_gaw_id = "BRM"
	attribute ebas_station_gaw_name = "BEROMUENSTER"
	attribute ebas_station_gaw_type = "R"
	attribute ebas_station_land_use = "Agricultural"
	attribute ebas_station_latitude = 47.18961391
	attribute ebas_station_longitude = 8.175433684
	attribute ebas_station_name = "Beromünster"
	attribute ebas_station_setting = "Rural"
	attribute ebas_station_wdca_id = "GAWACH__BRM"
	attribute ebas_station_wmo_region = 7
	attribute ebas_statistics = "arithmetic mean"
	attribute ebas_submitter = "\"Seitz, Thomas, , , , , , , , , \""
	attribute ebas_unit = "ug N/m3"
	attribute missing_value = nan
	attribute standard_name = "mass_concentration_of_ammonia_expressed_as_nitrogen_in_air"
	attribute units = "ug/m3"
dataset /v_ammonium_ug_N_per_m3: float64, shape (203)
	attribute _FillValue = nan
	attribute actris_access_restriction = 0
	attribute actris_constraints_preferred_term = "expressed as nitrogen"
	attribute actris_constraints_uri = "https://vocabulary.actris.nilu.no/actris_vocab/expressedasnitrogen"
	attribute actris_framework_preferred_term = "EMEP"
	attribute actris_framework_uri = "https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP"
	attribute actris_instrument_type_preferred_term = "denuder"
	attribute actris_instrument_type_uri = "https://vocabulary.actris.nilu.no/actris_vocab/denuder"
	attribute actris_matrix_preferred_term = "aerosol particle phase"
	attribute actris_matrix_uri = "https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlephase"
	attribute actris_temporal_resolution = "P14D"
	attribute actris_timeliness_preferred_term = "scheduled"
	attribute actris_timeliness_uri = "https://vocabulary.actris.nilu.no/actris_vocab/scheduled"
	attribute actris_variable_preferred_term = "aerosol particle ammonium mass concentration"
	attribute actris_variable_uri = "https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticleammoniummassconcentration"
	attribute ancillary_variables = "qc_ammonium_ug_N_per_m3 meta_ammonium_ug_N_per_m3"
	attribute cell_methods = "time: mean"
	attribute ebas_acknowledgement = "Data used in this <study/report/figure/etc.> were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the framework: EMEP."
	attribute ebas_component = "ammonium"
	attribute ebas_data_level = "2"
	attribute ebas_data_license = "https://creativecommons.org/licenses/by/4.0/"
	attribute ebas_framework_acronym = "EMEP"
	attribute ebas_framework_contact_email = "kt@nilu.no"
	attribute ebas_framework_contact_name = "Kjetil Tørseth"
	attribute ebas_framework_description = "The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems."
	attribute ebas_framework_name = "European Monitoring and Evaluation Programme"
	attribute ebas_instrument_name = "mini_53"
	attribute ebas_instrument_type = "CEH_denuder"
	attribute ebas_laboratory_code = "CH01L"
	attribute ebas_matrix = "aerosol"
	attribute ebas_method_ref = "CH01L_den"
	attribute ebas_organization = "CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland"
	attribute ebas_originator = "\"Hueglin, Christoph, , , , , , , , , \""
	attribute ebas_platform_code = "CH0053S"
	attribute ebas_regime = "IMG"
	attribute ebas_revision_date = "2026-07-27T00:00:00.000000Z"
	attribute ebas_sample_duration = "2w"
	attribute ebas_station_altitude = "797.0 m"
	attribute ebas_station_code = "CH0053R"
	attribute ebas_station_gaw_id = "BRM"
	attribute ebas_station_gaw_name = "BEROMUENSTER"
	attribute ebas_station_gaw_type = "R"
	attribute ebas_station_land_use = "Agricultural"
	attribute ebas_station_latitude = 47.18961391
	attribute ebas_station_longitude = 8.175433684
	attribute ebas_station_name = "Beromünster"
	attribute ebas_station_setting = "Rural"
	attribute ebas_station_wdca_id = "GAWACH__BRM"
	attribute ebas_station_wmo_region = 7
	attribute ebas_statistics = "arithmetic mean"
	attribute ebas_submitter = "\"Seitz, Thomas, , , , , , , , , \""
	attribute ebas_unit = "ug N/m3"
	attribute missing_value = nan
	attribute standard_name = "mass_concentration_of_ammonium_expressed_as_nitrogen_in_dry_aerosol_particles_in_air"
	attribute units = "ug/m3"
dataset /v_ammonium_ug_per_m3: float64, shape (203)
	attribute _FillValue = nan
	attribute actris_access_restriction = 0
	attribute actris_framework_preferred_term = "EMEP"
	attribute actris_framework_uri = "https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP"
	attribute actris_instrument_type_preferred_term = "denuder"
	attribute actris_instrument_type_uri = "https://vocabulary.actris.nilu.no/actris_vocab/denuder"
	attribute actris_matrix_preferred_term = "aerosol particle phase"
	attribute actris_matrix_uri = "https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlephase"
	attribute actris_temporal_resolution = "P14D"
	attribute actris_timeliness_preferred_term = "scheduled"
	attribute actris_timeliness_uri = "https://vocabulary.actris.nilu.no/actris_vocab/scheduled"
	attribute actris_variable_preferred_term = "aerosol particle ammonium mass concentration"
	attribute actris_variable_uri = "https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticleammoniummassconcentration"
	attribute ancillary_variables = "qc_ammonium_ug_per_m3 meta_ammonium_ug_per_m3"
	attribute cell_methods = "time: mean"
	attribute ebas_acknowledgement = "Data used in this <study/report/figure/etc.> were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the framework: EMEP."
	attribute ebas_comment = "Data converted on export from EBAS from 'ug N/m3' to 'ug/m3', conversion factor 1.288."
	attribute ebas_component = "ammonium"
	attribute ebas_data_level = "2"
	attribute ebas_data_license = "https://creativecommons.org/licenses/by/4.0/"
	attribute ebas_framework_acronym = "EMEP"
	attribute ebas_framework_contact_email = "kt@nilu.no"
	attribute ebas_framework_contact_name = "Kjetil Tørseth"
	attribute ebas_framework_description = "The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems."
	attribute ebas_framework_name = "European Monitoring and Evaluation Programme"
	attribute ebas_instrument_name = "mini_53"
	attribute ebas_instrument_type = "CEH_denuder"
	attribute ebas_laboratory_code = "CH01L"
	attribute ebas_matrix = "aerosol"
	attribute ebas_method_ref = "CH01L_den"
	attribute ebas_organization = "CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland"
	attribute ebas_originator = "\"Hueglin, Christoph, , , , , , , , , \""
	attribute ebas_platform_code = "CH0053S"
	attribute ebas_regime = "IMG"
	attribute ebas_revision_date = "2026-07-27T00:00:00.000000Z"
	attribute ebas_sample_duration = "2w"
	attribute ebas_station_altitude = "797.0 m"
	attribute ebas_station_code = "CH0053R"
	attribute ebas_station_gaw_id = "BRM"
	attribute ebas_station_gaw_name = "BEROMUENSTER"
	attribute ebas_station_gaw_type = "R"
	attribute ebas_station_land_use = "Agricultural"
	attribute ebas_station_latitude = 47.18961391
	attribute ebas_station_longitude = 8.175433684
	attribute ebas_station_name = "Beromünster"
	attribute ebas_station_setting = "Rural"
	attribute ebas_station_wdca_id = "GAWACH__BRM"
	attribute ebas_station_wmo_region = 7
	attribute ebas_statistics = "arithmetic mean"
	attribute ebas_submitter = "\"Seitz, Thomas, , , , , , , , , \""
	attribute ebas_unit = "ug/m3"
	attribute missing_value = nan
	attribute standard_name = "mass_concentration_of_ammonium_in_dry_aerosol_particles_in_air"
	attribute units = "ug/m3"
dataset /v_nitrate_ug_N_per_m3: float64, shape (203)
	attribute _FillValue = nan
	attribute actris_access_restriction = 0
	attribute actris_constraints_preferred_term = "expressed as nitrogen"
	attribute actris_constraints_uri = "https://vocabulary.actris.nilu.no/actris_vocab/expressedasnitrogen"
	attribute actris_framework_preferred_term = "EMEP"
	attribute actris_framework_uri = "https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP"
	attribute actris_instrument_type_preferred_term = "denuder"
	attribute actris_instrument_type_uri = "https://vocabulary.actris.nilu.no/actris_vocab/denuder"
	attribute actris_matrix_preferred_term = "aerosol particle phase"
	attribute actris_matrix_uri = "https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlephase"
	attribute actris_temporal_resolution = "P14D"
	attribute actris_timeliness_preferred_term = "scheduled"
	attribute actris_timeliness_uri = "https://vocabulary.actris.nilu.no/actris_vocab/scheduled"
	attribute actris_variable_preferred_term = "aerosol particle nitrate mass concentration"
	attribute actris_variable_uri = "https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlenitratemassconcentration"
	attribute ancillary_variables = "qc_nitrate_ug_N_per_m3 meta_nitrate_ug_N_per_m3"
	attribute cell_methods = "time: mean"
	attribute ebas_acknowledgement = "Data used in this <study/report/figure/etc.> were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the framework: EMEP."
	attribute ebas_component = "nitrate"
	attribute ebas_data_level = "2"
	attribute ebas_data_license = "https://creativecommons.org/licenses/by/4.0/"
	attribute ebas_framework_acronym = "EMEP"
	attribute ebas_framework_contact_email = "kt@nilu.no"
	attribute ebas_framework_contact_name = "Kjetil Tørseth"
	attribute ebas_framework_description = "The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems."
	attribute ebas_framework_name = "European Monitoring and Evaluation Programme"
	attribute ebas_instrument_name = "mini_53"
	attribute ebas_instrument_type = "CEH_denuder"
	attribute ebas_laboratory_code = "CH01L"
	attribute ebas_matrix = "aerosol"
	attribute ebas_method_ref = "CH01L_den"
	attribute ebas_organization = "CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland"
	attribute ebas_originator = "\"Hueglin, Christoph, , , , , , , , , \""
	attribute ebas_platform_code = "CH0053S"
	attribute ebas_regime = "IMG"
	attribute ebas_revision_date = "2026-07-27T00:00:00.000000Z"
	attribute ebas_sample_duration = "2w"
	attribute ebas_station_altitude = "797.0 m"
	attribute ebas_station_code = "CH0053R"
	attribute ebas_station_gaw_id = "BRM"
	attribute ebas_station_gaw_name = "BEROMUENSTER"
	attribute ebas_station_gaw_type = "R"
	attribute ebas_station_land_use = "Agricultural"
	attribute ebas_station_latitude = 47.18961391
	attribute ebas_station_longitude = 8.175433684
	attribute ebas_station_name = "Beromünster"
	attribute ebas_station_setting = "Rural"
	attribute ebas_station_wdca_id = "GAWACH__BRM"
	attribute ebas_station_wmo_region = 7
	attribute ebas_statistics = "arithmetic mean"
	attribute ebas_submitter = "\"Seitz, Thomas, , , , , , , , , \""
	attribute ebas_unit = "ug N/m3"
	attribute missing_value = nan
	attribute standard_name = "mass_concentration_of_nitrate_expressed_as_nitrogen_in_dry_aerosol_particles_in_air"
	attribute units = "ug/m3"
dataset /v_nitrate_ug_per_m3: float64, shape (203)
	attribute _FillValue = nan
	attribute actris_access_restriction = 0
	attribute actris_framework_preferred_term = "EMEP"
	attribute actris_framework_uri = "https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP"
	attribute actris_instrument_type_preferred_term = "denuder"
	attribute actris_instrument_type_uri = "https://vocabulary.actris.nilu.no/actris_vocab/denuder"
	attribute actris_matrix_preferred_term = "aerosol particle phase"
	attribute actris_matrix_uri = "https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlephase"
	attribute actris_temporal_resolution = "P14D"
	attribute actris_timeliness_preferred_term = "scheduled"
	attribute actris_timeliness_uri = "https://vocabulary.actris.nilu.no/actris_vocab/scheduled"
	attribute actris_variable_preferred_term = "aerosol particle nitrate mass concentration"
	attribute actris_variable_uri = "https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlenitratemassconcentration"
	attribute ancillary_variables = "qc_nitrate_ug_per_m3 meta_nitrate_ug_per_m3"
	attribute cell_methods = "time: mean"
	attribute ebas_acknowledgement = "Data used in this <study/report/figure/etc.> were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the framework: EMEP."
	attribute ebas_comment = "Data converted on export from EBAS from 'ug N/m3' to 'ug/m3', conversion factor 4.427."
	attribute ebas_component = "nitrate"
	attribute ebas_data_level = "2"
	attribute ebas_data_license = "https://creativecommons.org/licenses/by/4.0/"
	attribute ebas_framework_acronym = "EMEP"
	attribute ebas_framework_contact_email = "kt@nilu.no"
	attribute ebas_framework_contact_name = "Kjetil Tørseth"
	attribute ebas_framework_description = "The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems."
	attribute ebas_framework_name = "European Monitoring and Evaluation Programme"
	attribute ebas_instrument_name = "mini_53"
	attribute ebas_instrument_type = "CEH_denuder"
	attribute ebas_laboratory_code = "CH01L"
	attribute ebas_matrix = "aerosol"
	attribute ebas_method_ref = "CH01L_den"
	attribute ebas_organization = "CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland"
	attribute ebas_originator = "\"Hueglin, Christoph, , , , , , , , , \""
	attribute ebas_platform_code = "CH0053S"
	attribute ebas_regime = "IMG"
	attribute ebas_revision_date = "2026-07-27T00:00:00.000000Z"
	attribute ebas_sample_duration = "2w"
	attribute ebas_station_altitude = "797.0 m"
	attribute ebas_station_code = "CH0053R"
	attribute ebas_station_gaw_id = "BRM"
	attribute ebas_station_gaw_name = "BEROMUENSTER"
	attribute ebas_station_gaw_type = "R"
	attribute ebas_station_land_use = "Agricultural"
	attribute ebas_station_latitude = 47.18961391
	attribute ebas_station_longitude = 8.175433684
	attribute ebas_station_name = "Beromünster"
	attribute ebas_station_setting = "Rural"
	attribute ebas_station_wdca_id = "GAWACH__BRM"
	attribute ebas_station_wmo_region = 7
	attribute ebas_statistics = "arithmetic mean"
	attribute ebas_submitter = "\"Seitz, Thomas, , , , , , , , , \""
	attribute ebas_unit = "ug/m3"
	attribute missing_value = nan
	attribute standard_name = "mass_concentration_of_nitrate_in_dry_aerosol_particles_in_air"
	attribute units = "ug/m3"
dataset /v_nitric_acid: float64, shape (203)
	attribute _FillValue = nan
	attribute actris_access_restriction = 0
	attribute actris_constraints_preferred_term = "expressed as nitrogen"
	attribute actris_constraints_uri = "https://vocabulary.actris.nilu.no/actris_vocab/expressedasnitrogen"
	attribute actris_framework_preferred_term = "EMEP"
	attribute actris_framework_uri = "https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP"
	attribute actris_instrument_type_preferred_term = "denuder"
	attribute actris_instrument_type_uri = "https://vocabulary.actris.nilu.no/actris_vocab/denuder"
	attribute actris_matrix_preferred_term = "gas phase"
	attribute actris_matrix_uri = "https://vocabulary.actris.nilu.no/actris_vocab/gasphase"
	attribute actris_temporal_resolution = "P14D"
	attribute actris_timeliness_preferred_term = "scheduled"
	attribute actris_timeliness_uri = "https://vocabulary.actris.nilu.no/actris_vocab/scheduled"
	attribute actris_variable_preferred_term = "nitric acid mass concentration"
	attribute actris_variable_uri = "https://vocabulary.actris.nilu.no/actris_vocab/nitricacidmassconcentration"
	attribute ancillary_variables = "qc_nitric_acid meta_nitric_acid"
	attribute cell_methods = "time: mean"
	attribute ebas_acknowledgement = "Data used in this <study/report/figure/etc.> were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the framework: EMEP."
	attribute ebas_component = "nitric_acid"
	attribute ebas_data_level = "2"
	attribute ebas_data_license = "https://creativecommons.org/licenses/by/4.0/"
	attribute ebas_framework_acronym = "EMEP"
	attribute ebas_framework_contact_email = "kt@nilu.no"
	attribute ebas_framework_contact_name = "Kjetil Tørseth"
	attribute ebas_framework_description = "The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems."
	attribute ebas_framework_name = "European Monitoring and Evaluation Programme"
	attribute ebas_instrument_name = "mini_53"
	attribute ebas_instrument_type = "CEH_denuder"
	attribute ebas_laboratory_code = "CH01L"
	attribute ebas_matrix = "air"
	attribute ebas_method_ref = "CH01L_den"
	attribute ebas_organization = "CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland"
	attribute ebas_originator = "\"Hueglin, Christoph, , , , , , , , , \""
	attribute ebas_platform_code = "CH0053S"
	attribute ebas_regime = "IMG"
	attribute ebas_revision_date = "2026-07-27T00:00:00.000000Z"
	attribute ebas_sample_duration = "2w"
	attribute ebas_station_altitude = "797.0 m"
	attribute ebas_station_code = "CH0053R"
	attribute ebas_station_gaw_id = "BRM"
	attribute ebas_station_gaw_name = "BEROMUENSTER"
	attribute ebas_station_gaw_type = "R"
	attribute ebas_station_land_use = "Agricultural"
	attribute ebas_station_latitude = 47.18961391
	attribute ebas_station_longitude = 8.175433684
	attribute ebas_station_name = "Beromünster"
	attribute ebas_station_setting = "Rural"
	attribute ebas_station_wdca_id = "GAWACH__BRM"
	attribute ebas_station_wmo_region = 7
	attribute ebas_statistics = "arithmetic mean"
	attribute ebas_submitter = "\"Seitz, Thomas, , , , , , , , , \""
	attribute ebas_unit = "ug N/m3"
	attribute missing_value = nan
	attribute standard_name = "mass_concentration_of_nitric_acid_expressed_as_nitrogen_in_air"
	attribute units = "ug/m3"