HDF5 file, superblock version 2
group /
	attribute Conventions = "CF-1.7, ACDD-1.3"
	attribute acknowledgement = (empty)
	attribute date_created = "2018-12-10T13:30:00 UTC"
	attribute date_metadata_modified = "2018-12-10T13:30:00 UTC"
	attribute ebas_metadata = (text block)
| {
|     "Data definition": "EBAS_1.1",
|     "Set type code": "TU",
|     "Timezone": "UTC",
|     "File name": "SK0002R.20050101080000.20181210133000.filter_1pack.nitric_acid.air.2y.1d.SK01L_filter_holder_1.SK01L_gas_12.lev2.nc",
|     "File creation": "20190514090501",
|     "Startdate": "20050101080000",
|     "Revision date": "20181210133000",
|     "Statistics": "arithmetic mean",
|     "Data level": "2",
|     "Period code": "2y",
|     "Resolution code": "1d",
|     "Station code": "SK0002R",
|     "Platform code": "SK0002S",
|     "Station name": "Chopok",
|     "Station latitude": "48.933333",
|     "Station longitude": "19.583333",
|     "Station altitude": "2008.0 m",
|     "Regime": "IMG",
|     "Component": "nitric_acid",
|     "Unit": "ug N/m3",
|     "Matrix": "air",
|     "Laboratory code": "SK01L",
|     "Instrument type": "filter_1pack",
|     "Instrument name": "filter_holder_1",
|     "Method ref": "SK01L_gas_12",
|     "Organization": "SK01L, Slovak Hydrometeorological Institute, SHMU, Dep. of Atmospheric Chemistry, Jeseniova 17, , 83315, Bratislava, Slovak Republic",
|     "Frameworks": "EMEP"
| }
	attribute featureType = "timeSeries"
	attribute geospatial_bounds = "POINT Z (48.933333 19.583333 2008.0)"
	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 = 2008.0
	attribute geospatial_vertical_min = 2008.0
	attribute geospatial_vertical_positive = "up"
	attribute id = "SK0002R.20050101080000.20181210133000.filter_1pack.nitric_acid.air.2y.1d.SK01L_filter_holder_1.SK01L_gas_12.lev2.nc"
	attribute institution = "SK01L, Slovak Hydrometeorological Institute, SHMU, Dep. of Atmospheric Chemistry, Jeseniova 17, 83315, Bratislava, Slovak Republic"
	attribute keywords = "SK0002R, nitric_acid, air, Chopok, mass_concentration_of_nitric_acid_expressed_as_nitrogen_in_air, EMEP"
	attribute license = "EMEP: Public open access. We encourage contacting data originators if substatial use of individual time series is planned (fair use data policy)."
	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 = "Ground based in situ observations of nitric_acid at Chopok (SK0002R) using filter_1pack. 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: nitric_acid in air (mass_concentration_of_nitric_acid_expressed_as_nitrogen_in_air)"
	attribute time_coverage_duration = "P0002-00-00T00:00:00"
	attribute time_coverage_end = "2007-01-01T08:00:00 UTC"
	attribute time_coverage_resolution = "P0000-00-01T00:00:00"
	attribute time_coverage_start = "2005-01-01T08:00:00 UTC"
	attribute timezone = "UTC"
	attribute title = "Ground based in situ observations of nitric_acid at Chopok (SK0002R) using filter_1pack"
dataset /metadata_time: float64, shape (2)
	attribute axis = "T"
	attribute bounds = "metadata_time_bnds"
	attribute calendar = "gregorian"
	attribute cell_methods = "mean"
	attribute long_name = "time of ebas metadata intervals"
	attribute standard_name = "time"
	attribute units = "days since 1900-01-01 00:00:00 UTC"
// metadata_time: first 38533.833333333336, last 38898.833333333336, count 2
dataset /metadata_time_bnds: float64, shape (2, 2)
	attribute calendar = "gregorian"
	attribute long_name = "time bounds for ebas metadata intervals"
	attribute standard_name = "time"
	attribute units = "days since 1900-01-01 00:00:00 UTC"
dataset /nitric_acid: float64, shape (730)
	attribute _FillValue = nan
	attribute ancillary_variables = "nitric_acid_qc nitric_acid_ebasmetadata"
	attribute cell_methods = "time: mean"
	attribute missing_value = nan
	attribute standard_name = "mass_concentration_of_nitric_acid_expressed_as_nitrogen_in_air"
	attribute units = "ug N/m3"
dataset /nitric_acid_ebasmetadata: string, shape (2)
	attribute long_name = "ebas metadata for different time intervals; json encoded"
dataset /nitric_acid_qc: int32, shape (1, 730)
	attribute _FillValue = 0
	attribute missing_value = 0
	attribute standard_name = "status_flag"
	attribute units = "1"
dataset /nitric_acid_qc_flags: float32, shape (1)
dataset /tbnds: float32, shape (2)
dataset /time: float64, shape (730)
	attribute axis = "T"
	attribute bounds = "time_bnds"
	attribute calendar = "gregorian"
	attribute cell_methods = "mean"
	attribute long_name = "time of measurement"
	attribute standard_name = "time"
	attribute units = "days since 1900-01-01 00:00:00 UTC"
// time: first 38351.833333333336, last 39080.833333333336, count 730
dataset /time_bnds: float64, shape (730, 2)
	attribute long_name = "time bounds for measurement"
	attribute standard_name = "time"
	attribute units = "days since 1900-01-01 00:00:00 UTC"