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 frameworks: EMEP, GAW-WDCRG. Request acknowledgement details from data originator"
	attribute citation = "Minarikova, V., Caracky, L., EMEP, GAW-WDCRG, 2026, Ozone at Chopok, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/E6EK-WTDD"
	attribute contributor_name = "Veronika Minarikova"
	attribute contributor_role = "data submitter"
	attribute creator_email = ", ladislav.caracky@shmu.sk"
	attribute creator_institution = ", \"Slovak Hydrometeorological Institute, Air quality section\""
	attribute creator_name = "Veronika Minarikova, Ladislav Caracky"
	attribute creator_type = "person"
	attribute date_created = "2026-07-28T12:36:13.292595Z"
	attribute date_metadata_modified = "2026-01-01T00:00:00Z"
	attribute doi = "https://doi.org/10.48597/E6EK-WTDD"
	attribute ebas_absorption_cross_section = "CCQM.O3.2019"
	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 frameworks: EMEP, GAW-WDCRG. Request acknowledgement details from data originator"
	attribute ebas_citation = "Minarikova, V., Caracky, L., EMEP, GAW-WDCRG, 2026, Ozone at Chopok, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/E6EK-WTDD"
	attribute ebas_component = "ozone"
	attribute ebas_contains_doi = "https://doi.org/10.48597/E6EK-WTDD"
	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_detection_limit_expl = "Taken from instrument manual"
	attribute ebas_export_filter = "exclude-900,exclude-invalid"
	attribute ebas_export_state = "2026-07-28T12:36:13.292595Z"
	attribute ebas_file_creation = "2026-07-28T12:41:06.139249Z"
	attribute ebas_file_name = "E6EK-WTDD.nc"
	attribute ebas_flow_rate = "0.5 l/min"
	attribute ebas_framework_acronym = "EMEP, GAW-WDCRG"
	attribute ebas_framework_contact_email = "kt@nilu.no, kt@nilu.no"
	attribute ebas_framework_contact_name = "Kjetil Tørseth, 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., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme."
	attribute ebas_framework_name = "European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases"
	attribute ebas_humidity_temperaure_control = "None"
	attribute ebas_inlet_description = "Hat made of PFA teflon. A mesh filter under the hat bottom prevents bugs. Inlet is connected to a glass manifold, from where O3 analyzer is connected by 1/4\" tubing."
	attribute ebas_inlet_tube_inner_diameter = "4.0 mm"
	attribute ebas_inlet_tube_length = "4.0 m"
	attribute ebas_inlet_tube_material = "Teflon"
	attribute ebas_inlet_tube_outer_diameter = "6.35 mm"
	attribute ebas_inlet_type = "Hat or hood"
	attribute ebas_instrument_manufacturer = "Teledyne"
	attribute ebas_instrument_model = "400A"
	attribute ebas_instrument_name = "O3_Analyzer_02"
	attribute ebas_instrument_type = "uv_abs"
	attribute ebas_laboratory_code = "SK01L"
	attribute ebas_maintenance_description = "Monthly leak test, inlet filter checked every 2 months, ozone scrubber checked and replaced if needed once/year"
	attribute ebas_matrix = "air"
	attribute ebas_measurement_altitude = "2000.0 m"
	attribute ebas_measurement_height = "2.0 m"
	attribute ebas_method_ref = "SK01L_uv_ab"
	attribute ebas_organization = "SK01L, Slovak Hydrometeorological Institute, SHMU, Dep. of Atmospheric Chemistry, Jeseniova 17, , 83315, Bratislava, Slovak Republic"
	attribute ebas_orig_time_res = "1h"
	attribute ebas_originator = "\"Minarikova, Veronika, , , , , , , , , \", \"Caracky, Ladislav, ladislav.caracky@shmu.sk, Slovak Hydrometeorological Institute, , Air quality section, Jeseniova 17, , 83315, Bratislava, Slovakia\""
	attribute ebas_period_code = "1y"
	attribute ebas_platform_code = "SK0002S"
	attribute ebas_regime = "IMG"
	attribute ebas_represents_doi = "https://doi.org/10.48597/E6EK-WTDD"
	attribute ebas_resolution_code = "1h"
	attribute ebas_revision_date = "2026-01-01T00:00:00.000000Z"
	attribute ebas_sample_duration = "1h"
	attribute ebas_set_type_code = "TU"
	attribute ebas_standard_method = "SOP=GAW_209(2013)"
	attribute ebas_startdate = "2025-01-01T00:00:00.000000Z"
	attribute ebas_station_altitude = "2008.0 m"
	attribute ebas_station_code = "SK0002R"
	attribute ebas_station_latitude = 48.933333
	attribute ebas_station_longitude = 19.583333
	attribute ebas_station_name = "Chopok"
	attribute ebas_statistics = "arithmetic mean"
	attribute ebas_submitter = "\"Minarikova, Veronika, , , , , , , , , \""
	attribute ebas_timezone = "UTC"
	attribute ebas_version = "1"
	attribute ebas_version_description = "initial revision,manually inspected"
	attribute ebas_zero_span_check_interval = "1d"
	attribute ebas_zero_span_check_type = "automatic"
	attribute featureType = "timeSeries"
	attribute geospatial_bounds = "POINT Z (19.583333 48.933333 2000)"
	attribute geospatial_bounds_crs = "EPSG:4979"
	attribute geospatial_lat_max = 48.933333
	attribute geospatial_lat_min = 48.933333
	attribute geospatial_lon_max = 19.583333
	attribute geospatial_lon_min = 19.583333
	attribute geospatial_vertical_max = 2000.0
	attribute geospatial_vertical_min = 2000.0
	attribute geospatial_vertical_positive = "up"
	attribute id = "E6EK-WTDD.nc"
	attribute institution = "SK01L \"Slovak Hydrometeorological Institute\" SHMU \"Dep. of Atmospheric Chemistry\" \"Jeseniova 17\" 83315 Bratislava \"Slovak Republic\""
	attribute keywords = "Chopok SK0002R ozone air EMEP GAW-WDCRG mole_fraction_of_ozone_in_air mass_concentration_of_ozone_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, GAW-WDCRG"
	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 = "Ozone at Chopok. These measurements are gathered as a part of the following projects EMEP, GAW-WDCRG and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: ['ozone in air (mole_fraction_of_ozone_in_air)', 'ozone in air (mass_concentration_of_ozone_in_air)']"
	attribute time_coverage_duration = "P0001-00-00T00:00:00"
	attribute time_coverage_end = "2026-01-01T00:00:00Z"
	attribute time_coverage_resolution = "P0000-00-00T01:00:00"
	attribute time_coverage_start = "2025-01-01T00:00:00Z"
	attribute timezone = "UTC"
	attribute title = "Ozone at Chopok"
dataset /meta_ozone_nmol_per_mol: string, shape (1)
	attribute long_name = "ebas metadata for different time intervals; json encoded"
	text = (text block)
| {
|     "ebas_data_license": "https://creativecommons.org/licenses/by/4.0/",
|     "ebas_revision_date": "2026-01-01T00:00:00.000000Z",
|     "ebas_version": "1",
|     "ebas_version_description": "initial revision,manually inspected",
|     "ebas_statistics": "arithmetic mean",
|     "ebas_data_level": "2",
|     "ebas_sample_duration": "1h",
|     "ebas_orig_time_res": "1h",
|     "ebas_station_code": "SK0002R",
|     "ebas_platform_code": "SK0002S",
|     "ebas_station_name": "Chopok",
|     "ebas_station_latitude": 48.933333,
|     "ebas_station_longitude": 19.583333,
|     "ebas_station_altitude": "2008.0 m",
|     "ebas_measurement_altitude": "2000.0 m",
|     "ebas_measurement_height": "2.0 m",
|     "ebas_regime": "IMG",
|     "ebas_component": "ozone",
|     "ebas_unit": "nmol/mol",
|     "ebas_matrix": "air",
|     "ebas_laboratory_code": "SK01L",
|     "ebas_instrument_type": "uv_abs",
|     "ebas_instrument_name": "O3_Analyzer_02",
|     "ebas_instrument_manufacturer": "Teledyne",
|     "ebas_instrument_model": "400A",
|     "ebas_method_ref": "SK01L_uv_ab",
|     "ebas_standard_method": "SOP=GAW_209(2013)",
|     "ebas_inlet_type": "Hat or hood",
|     "ebas_inlet_description": "Hat made of PFA teflon. A mesh filter under the hat bottom prevents bugs. Inlet is connected to a glass manifold, from where O3 analyzer is connected by 1/4\" tubing.",
|     "ebas_inlet_tube_material": "Teflon",
|     "ebas_inlet_tube_outer_diameter": "6.35 mm",
|     "ebas_inlet_tube_inner_diameter": "4.0 mm",
|     "ebas_inlet_tube_length": "4.0 m",
|     "ebas_maintenance_description": "Monthly leak test, inlet filter checked every 2 months, ozone scrubber checked and replaced if needed once/year",
|     "ebas_flow_rate": "0.5 l/min",
|     "ebas_zero_span_check_type": "automatic",
|     "ebas_zero_span_check_interval": "1d",
|     "ebas_humidity_temperaure_control": "None",
|     "ebas_detection_limit": "1.0 nmol/mol",
|     "ebas_detection_limit_expl": "Taken from instrument manual",
|     "ebas_absorption_cross_section": "CCQM.O3.2019",
|     "ebas_organization": "SK01L, Slovak Hydrometeorological Institute, SHMU, Dep. of Atmospheric Chemistry, Jeseniova 17, , 83315, Bratislava, Slovak Republic",
|     "ebas_framework_acronym": "EMEP, GAW-WDCRG",
|     "ebas_framework_name": "European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases",
|     "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., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme.",
|     "ebas_framework_contact_name": "Kjetil Tørseth, Kjetil Tørseth",
|     "ebas_framework_contact_email": "kt@nilu.no, kt@nilu.no",
|     "ebas_originator": "\"Minarikova, Veronika, , , , , , , , , \", \"Caracky, Ladislav, ladislav.caracky@shmu.sk, Slovak Hydrometeorological Institute, , Air quality section, Jeseniova 17, , 83315, Bratislava, Slovakia\"",
|     "ebas_submitter": "\"Minarikova, Veronika, , , , , , , , , \"",
|     "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 frameworks: EMEP, GAW-WDCRG. Request acknowledgement details from data originator",
|     "ebas_comment": "Data converted on export from EBAS from 'ug/m3' at 293.15 K, 1013.25 hPa to 'nmol/mol', conversion factor 0.50. Detection limit converted from '1.0 ug/m3' at 293.15 K, 1013.25 hPa to '1.0 nmol/mol', conversion factor 0.50.",
|     "actris_variable_uri": "https://vocabulary.actris.nilu.no/actris_vocab/ozoneamountfraction",
|     "actris_variable_preferred_term": "ozone amount fraction",
|     "actris_matrix_uri": "https://vocabulary.actris.nilu.no/actris_vocab/gasphase",
|     "actris_matrix_preferred_term": "gas phase",
|     "actris_timeliness_uri": "https://vocabulary.actris.nilu.no/actris_vocab/scheduled",
|     "actris_timeliness_preferred_term": "scheduled",
|     "actris_instrument_type_uri": "https://vocabulary.actris.nilu.no/actris_vocab/ultra-violetabsorptiondetector",
|     "actris_instrument_type_preferred_term": "ultra-violet fluorescence detector",
|     "actris_framework_uri": "https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG",
|     "actris_framework_preferred_term": "EMEP, GAW-WDCRG",
|     "actris_temporal_resolution": "PT1H",
|     "actris_access_restriction": false
| }
dataset /meta_ozone_ug_per_m3: string, shape (1)
	attribute long_name = "ebas metadata for different time intervals; json encoded"
	text = (text block)
| {
|     "ebas_data_license": "https://creativecommons.org/licenses/by/4.0/",
|     "ebas_revision_date": "2026-01-01T00:00:00.000000Z",
|     "ebas_version": "1",
|     "ebas_version_description": "initial revision,manually inspected",
|     "ebas_statistics": "arithmetic mean",
|     "ebas_data_level": "2",
|     "ebas_sample_duration": "1h",
|     "ebas_orig_time_res": "1h",
|     "ebas_station_code": "SK0002R",
|     "ebas_platform_code": "SK0002S",
|     "ebas_station_name": "Chopok",
|     "ebas_station_latitude": 48.933333,
|     "ebas_station_longitude": 19.583333,
|     "ebas_station_altitude": "2008.0 m",
|     "ebas_measurement_altitude": "2000.0 m",
|     "ebas_measurement_height": "2.0 m",
|     "ebas_regime": "IMG",
|     "ebas_component": "ozone",
|     "ebas_unit": "ug/m3",
|     "ebas_matrix": "air",
|     "ebas_laboratory_code": "SK01L",
|     "ebas_instrument_type": "uv_abs",
|     "ebas_instrument_name": "O3_Analyzer_02",
|     "ebas_instrument_manufacturer": "Teledyne",
|     "ebas_instrument_model": "400A",
|     "ebas_method_ref": "SK01L_uv_ab",
|     "ebas_standard_method": "SOP=GAW_209(2013)",
|     "ebas_inlet_type": "Hat or hood",
|     "ebas_inlet_description": "Hat made of PFA teflon. A mesh filter under the hat bottom prevents bugs. Inlet is connected to a glass manifold, from where O3 analyzer is connected by 1/4\" tubing.",
|     "ebas_inlet_tube_material": "Teflon",
|     "ebas_inlet_tube_outer_diameter": "6.35 mm",
|     "ebas_inlet_tube_inner_diameter": "4.0 mm",
|     "ebas_inlet_tube_length": "4.0 m",
|     "ebas_maintenance_description": "Monthly leak test, inlet filter checked every 2 months, ozone scrubber checked and replaced if needed once/year",
|     "ebas_flow_rate": "0.5 l/min",
|     "ebas_zero_span_check_type": "automatic",
|     "ebas_zero_span_check_interval": "1d",
|     "ebas_humidity_temperaure_control": "None",
|     "ebas_volume_std_temperature": "293.15 K",
|     "ebas_volume_std_pressure": "1013.25 hPa",
|     "ebas_detection_limit": "1.0 ug/m3",
|     "ebas_detection_limit_expl": "Taken from instrument manual",
|     "ebas_absorption_cross_section": "CCQM.O3.2019",
|     "ebas_organization": "SK01L, Slovak Hydrometeorological Institute, SHMU, Dep. of Atmospheric Chemistry, Jeseniova 17, , 83315, Bratislava, Slovak Republic",
|     "ebas_framework_acronym": "EMEP, GAW-WDCRG",
|     "ebas_framework_name": "European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases",
|     "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., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme.",
|     "ebas_framework_contact_name": "Kjetil Tørseth, Kjetil Tørseth",
|     "ebas_framework_contact_email": "kt@nilu.no, kt@nilu.no",
|     "ebas_originator": "\"Minarikova, Veronika, , , , , , , , , \", \"Caracky, Ladislav, ladislav.caracky@shmu.sk, Slovak Hydrometeorological Institute, , Air quality section, Jeseniova 17, , 83315, Bratislava, Slovakia\"",
|     "ebas_submitter": "\"Minarikova, Veronika, , , , , , , , , \"",
|     "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 frameworks: EMEP, GAW-WDCRG. Request acknowledgement details from data originator",
|     "actris_variable_uri": "https://vocabulary.actris.nilu.no/actris_vocab/ozonemassconcentration",
|     "actris_variable_preferred_term": "ozone mass concentration",
|     "actris_matrix_uri": "https://vocabulary.actris.nilu.no/actris_vocab/gasphase",
|     "actris_matrix_preferred_term": "gas phase",
|     "actris_timeliness_uri": "https://vocabulary.actris.nilu.no/actris_vocab/scheduled",
|     "actris_timeliness_preferred_term": "scheduled",
|     "actris_instrument_type_uri": "https://vocabulary.actris.nilu.no/actris_vocab/ultra-violetabsorptiondetector",
|     "actris_instrument_type_preferred_term": "ultra-violet fluorescence detector",
|     "actris_framework_uri": "https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG",
|     "actris_framework_preferred_term": "EMEP, GAW-WDCRG",
|     "actris_temporal_resolution": "PT1H",
|     "actris_access_restriction": false
| }
dataset /metadata_time: float64, shape (1)
	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 45838.5, last 45838.5, count 1
dataset /metadata_time_bnds: float64, shape (1, 2)
	attribute long_name = "time bounds for ebas metadata intervals"
dataset /qc_ozone_nmol_per_mol: int32, shape (1, 8760)
	attribute _FillValue = 0
	attribute missing_value = 0
	attribute standard_name = "status_flag"
	attribute units = "1"
dataset /qc_ozone_nmol_per_mol_flags: float32, shape (1)
dataset /qc_ozone_ug_per_m3: int32, shape (1, 8760)
	attribute _FillValue = 0
	attribute missing_value = 0
	attribute standard_name = "status_flag"
	attribute units = "1"
dataset /qc_ozone_ug_per_m3_flags: float32, shape (1)
dataset /tbnds: float32, shape (2)
dataset /time: float64, shape (8760)
	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 45656.020833333336, last 46020.979166666664, count 8760
dataset /time_bnds: float64, shape (8760, 2)
	attribute long_name = "time bounds for measurement"
dataset /v_ozone_nmol_per_mol: float64, shape (8760)
	attribute _FillValue = nan
	attribute actris_access_restriction = 0
	attribute actris_framework_preferred_term = "EMEP, GAW-WDCRG"
	attribute actris_framework_uri = "https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG"
	attribute actris_instrument_type_preferred_term = "ultra-violet fluorescence detector"
	attribute actris_instrument_type_uri = "https://vocabulary.actris.nilu.no/actris_vocab/ultra-violetabsorptiondetector"
	attribute actris_matrix_preferred_term = "gas phase"
	attribute actris_matrix_uri = "https://vocabulary.actris.nilu.no/actris_vocab/gasphase"
	attribute actris_temporal_resolution = "PT1H"
	attribute actris_timeliness_preferred_term = "scheduled"
	attribute actris_timeliness_uri = "https://vocabulary.actris.nilu.no/actris_vocab/scheduled"
	attribute actris_variable_preferred_term = "ozone amount fraction"
	attribute actris_variable_uri = "https://vocabulary.actris.nilu.no/actris_vocab/ozoneamountfraction"
	attribute ancillary_variables = "qc_ozone_nmol_per_mol meta_ozone_nmol_per_mol"
	attribute cell_methods = "time: mean"
	attribute ebas_absorption_cross_section = "CCQM.O3.2019"
	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 frameworks: EMEP, GAW-WDCRG. Request acknowledgement details from data originator"
	attribute ebas_comment = "Data converted on export from EBAS from 'ug/m3' at 293.15 K, 1013.25 hPa to 'nmol/mol', conversion factor 0.50. Detection limit converted from '1.0 ug/m3' at 293.15 K, 1013.25 hPa to '1.0 nmol/mol', conversion factor 0.50."
	attribute ebas_component = "ozone"
	attribute ebas_data_level = "2"
	attribute ebas_data_license = "https://creativecommons.org/licenses/by/4.0/"
	attribute ebas_detection_limit = "1.0 nmol/mol"
	attribute ebas_detection_limit_expl = "Taken from instrument manual"
	attribute ebas_flow_rate = "0.5 l/min"
	attribute ebas_framework_acronym = "EMEP, GAW-WDCRG"
	attribute ebas_framework_contact_email = "kt@nilu.no, kt@nilu.no"
	attribute ebas_framework_contact_name = "Kjetil Tørseth, 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., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme."
	attribute ebas_framework_name = "European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases"
	attribute ebas_humidity_temperaure_control = "None"
	attribute ebas_inlet_description = "Hat made of PFA teflon. A mesh filter under the hat bottom prevents bugs. Inlet is connected to a glass manifold, from where O3 analyzer is connected by 1/4\" tubing."
	attribute ebas_inlet_tube_inner_diameter = "4.0 mm"
	attribute ebas_inlet_tube_length = "4.0 m"
	attribute ebas_inlet_tube_material = "Teflon"
	attribute ebas_inlet_tube_outer_diameter = "6.35 mm"
	attribute ebas_inlet_type = "Hat or hood"
	attribute ebas_instrument_manufacturer = "Teledyne"
	attribute ebas_instrument_model = "400A"
	attribute ebas_instrument_name = "O3_Analyzer_02"
	attribute ebas_instrument_type = "uv_abs"
	attribute ebas_laboratory_code = "SK01L"
	attribute ebas_maintenance_description = "Monthly leak test, inlet filter checked every 2 months, ozone scrubber checked and replaced if needed once/year"
	attribute ebas_matrix = "air"
	attribute ebas_measurement_altitude = "2000.0 m"
	attribute ebas_measurement_height = "2.0 m"
	attribute ebas_method_ref = "SK01L_uv_ab"
	attribute ebas_organization = "SK01L, Slovak Hydrometeorological Institute, SHMU, Dep. of Atmospheric Chemistry, Jeseniova 17, , 83315, Bratislava, Slovak Republic"
	attribute ebas_orig_time_res = "1h"
	attribute ebas_originator = "\"Minarikova, Veronika, , , , , , , , , \", \"Caracky, Ladislav, ladislav.caracky@shmu.sk, Slovak Hydrometeorological Institute, , Air quality section, Jeseniova 17, , 83315, Bratislava, Slovakia\""
	attribute ebas_platform_code = "SK0002S"
	attribute ebas_regime = "IMG"
	attribute ebas_revision_date = "2026-01-01T00:00:00.000000Z"
	attribute ebas_sample_duration = "1h"
	attribute ebas_standard_method = "SOP=GAW_209(2013)"
	attribute ebas_station_altitude = "2008.0 m"
	attribute ebas_station_code = "SK0002R"
	attribute ebas_station_latitude = 48.933333
	attribute ebas_station_longitude = 19.583333
	attribute ebas_station_name = "Chopok"
	attribute ebas_statistics = "arithmetic mean"
	attribute ebas_submitter = "\"Minarikova, Veronika, , , , , , , , , \""
	attribute ebas_unit = "nmol/mol"
	attribute ebas_version = "1"
	attribute ebas_version_description = "initial revision,manually inspected"
	attribute ebas_zero_span_check_interval = "1d"
	attribute ebas_zero_span_check_type = "automatic"
	attribute missing_value = nan
	attribute standard_name = "mole_fraction_of_ozone_in_air"
	attribute units = "nmol/mol"
dataset /v_ozone_ug_per_m3: float64, shape (8760)
	attribute _FillValue = nan
	attribute actris_access_restriction = 0
	attribute actris_framework_preferred_term = "EMEP, GAW-WDCRG"
	attribute actris_framework_uri = "https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG"
	attribute actris_instrument_type_preferred_term = "ultra-violet fluorescence detector"
	attribute actris_instrument_type_uri = "https://vocabulary.actris.nilu.no/actris_vocab/ultra-violetabsorptiondetector"
	attribute actris_matrix_preferred_term = "gas phase"
	attribute actris_matrix_uri = "https://vocabulary.actris.nilu.no/actris_vocab/gasphase"
	attribute actris_temporal_resolution = "PT1H"
	attribute actris_timeliness_preferred_term = "scheduled"
	attribute actris_timeliness_uri = "https://vocabulary.actris.nilu.no/actris_vocab/scheduled"
	attribute actris_variable_preferred_term = "ozone mass concentration"
	attribute actris_variable_uri = "https://vocabulary.actris.nilu.no/actris_vocab/ozonemassconcentration"
	attribute ancillary_variables = "qc_ozone_ug_per_m3 meta_ozone_ug_per_m3"
	attribute cell_methods = "time: mean"
	attribute ebas_absorption_cross_section = "CCQM.O3.2019"
	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 frameworks: EMEP, GAW-WDCRG. Request acknowledgement details from data originator"
	attribute ebas_component = "ozone"
	attribute ebas_data_level = "2"
	attribute ebas_data_license = "https://creativecommons.org/licenses/by/4.0/"
	attribute ebas_detection_limit = "1.0 ug/m3"
	attribute ebas_detection_limit_expl = "Taken from instrument manual"
	attribute ebas_flow_rate = "0.5 l/min"
	attribute ebas_framework_acronym = "EMEP, GAW-WDCRG"
	attribute ebas_framework_contact_email = "kt@nilu.no, kt@nilu.no"
	attribute ebas_framework_contact_name = "Kjetil Tørseth, 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., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme."
	attribute ebas_framework_name = "European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases"
	attribute ebas_humidity_temperaure_control = "None"
	attribute ebas_inlet_description = "Hat made of PFA teflon. A mesh filter under the hat bottom prevents bugs. Inlet is connected to a glass manifold, from where O3 analyzer is connected by 1/4\" tubing."
	attribute ebas_inlet_tube_inner_diameter = "4.0 mm"
	attribute ebas_inlet_tube_length = "4.0 m"
	attribute ebas_inlet_tube_material = "Teflon"
	attribute ebas_inlet_tube_outer_diameter = "6.35 mm"
	attribute ebas_inlet_type = "Hat or hood"
	attribute ebas_instrument_manufacturer = "Teledyne"
	attribute ebas_instrument_model = "400A"
	attribute ebas_instrument_name = "O3_Analyzer_02"
	attribute ebas_instrument_type = "uv_abs"
	attribute ebas_laboratory_code = "SK01L"
	attribute ebas_maintenance_description = "Monthly leak test, inlet filter checked every 2 months, ozone scrubber checked and replaced if needed once/year"
	attribute ebas_matrix = "air"
	attribute ebas_measurement_altitude = "2000.0 m"
	attribute ebas_measurement_height = "2.0 m"
	attribute ebas_method_ref = "SK01L_uv_ab"
	attribute ebas_organization = "SK01L, Slovak Hydrometeorological Institute, SHMU, Dep. of Atmospheric Chemistry, Jeseniova 17, , 83315, Bratislava, Slovak Republic"
	attribute ebas_orig_time_res = "1h"
	attribute ebas_originator = "\"Minarikova, Veronika, , , , , , , , , \", \"Caracky, Ladislav, ladislav.caracky@shmu.sk, Slovak Hydrometeorological Institute, , Air quality section, Jeseniova 17, , 83315, Bratislava, Slovakia\""
	attribute ebas_platform_code = "SK0002S"
	attribute ebas_regime = "IMG"
	attribute ebas_revision_date = "2026-01-01T00:00:00.000000Z"
	attribute ebas_sample_duration = "1h"
	attribute ebas_standard_method = "SOP=GAW_209(2013)"
	attribute ebas_station_altitude = "2008.0 m"
	attribute ebas_station_code = "SK0002R"
	attribute ebas_station_latitude = 48.933333
	attribute ebas_station_longitude = 19.583333
	attribute ebas_station_name = "Chopok"
	attribute ebas_statistics = "arithmetic mean"
	attribute ebas_submitter = "\"Minarikova, Veronika, , , , , , , , , \""
	attribute ebas_unit = "ug/m3"
	attribute ebas_version = "1"
	attribute ebas_version_description = "initial revision,manually inspected"
	attribute ebas_volume_std_pressure = "1013.25 hPa"
	attribute ebas_volume_std_temperature = "293.15 K"
	attribute ebas_zero_span_check_interval = "1d"
	attribute ebas_zero_span_check_type = "automatic"
	attribute missing_value = nan
	attribute standard_name = "mass_concentration_of_ozone_in_air"
	attribute units = "ug/m3"