netcdf co2_htm_tower-insitu_424_allvalid-70magl {
dimensions:
	time = 52560 ;
	string_of_20chars = 20 ;
	calendar_components = 6 ;
	string_of_10chars = 10 ;
	string_of_200chars = 200 ;
	dim_concerns = 6 ;
	mip_nmodels = 17 ;
	nchar = 40 ;
variables:
	int time(time) ;
		time:standard_name = "time" ;
		time:longname = "sample_time_in_seconds_since_january_1_1970" ;
		time:units = "seconds since 1970-01-01T00:00:00Z" ;
		time:comment = "POSIX time.  Number of seconds since January 1, 1970 in UTC. Time-averaged values are reported at the midpoint of the averaging interval (dataset_data_frequency). For uneven averaging intervals times are rounded down to the nearest second. Averaging interval is specified through global attribute dataset_data_frequency (per hour)" ;
	int start_time(time) ;
		start_time:longname = "sample_time_in_seconds_since_january_1_1970" ;
		start_time:units = "seconds since 1970-01-01T00:00:00Z" ;
		start_time:comment = "POSIX time.  Number of seconds since January 1, 1970 in UTC. Time-averaged values are reported at the beginning of the averaging interval (dataset_data_frequency). For uneven averaging intervals times are rounded down to the nearest second. Averaging interval is specified through global attribute dataset_data_frequency (per hour)" ;
	char datetime(time, string_of_20chars) ;
		datetime:longname = "air_sample_date_and_time_in_UTC" ;
		datetime:comment = "Air sample date and time in UTC ISO 8601 format. Time-averaged values are reported at the midpoint of the averaging interval (dataset_data_frequency). For uneven averaging intervals times are rounded down to the nearest second. Averaging interval is specified through global attribute dataset_data_frequency (per hour)" ;
	double time_decimal(time) ;
		time_decimal:longname = "sample_decimal_year_in_UTC" ;
		time_decimal:comment = "Decimal year in UTC. Time-averaged values are reported at the midpoint of the averaging interval (dataset_data_frequency). For uneven averaging intervals times are rounded down to the nearest second." ;
	short time_components(time, calendar_components) ;
		time_components:_FillValue = -9s ;
		time_components:longname = "integer_components_of_UTC_date/time" ;
		time_components:order = "year, month, day, hour, minute, second" ;
		time_components:comment = "Calendar time components as integers.  Times and dates are UTC. Time-averaged values are reported at the midpoint of the averaging interval (dataset_data_frequency). For uneven averaging intervals times are rounded down to the nearest second." ;
	short solartime_components(time, calendar_components) ;
		solartime_components:_FillValue = -9s ;
		solartime_components:longname = "integer_components_of_local_solar_date/time" ;
		solartime_components:order = "year, month, day, hour, minute, second" ;
		solartime_components:comment = "Calendar local solar time components as integers.  UTC time is converted to local solar time based on longitude and day-of-year.  Time-averaged values are reported at the midpoint of the averaging interval (dataset_data_frequency). For uneven averaging intervals times are rounded down to the nearest second." ;
	float value(time) ;
		value:_FillValue = NaNf ;
		value:long_name = "measured_mole_fraction_of_trace_gas_in_dry_air" ;
		value:standard_name = "mole_fraction_of_co2_in_dry_air" ;
		value:units = "mol mol-1" ;
		value:comment = "mole per mole of dry air" ;
		value:scale_comment = "WMO CO2 X2019" ;
	int nvalue(time) ;
		nvalue:_FillValue = -9 ;
		nvalue:long_name = "number_of_measurements_contributing_to_reported_value" ;
		nvalue:comment = "Number of individual measurements used to compute reported value. See provider_comment if available." ;
	float value_std_dev(time) ;
		value_std_dev:_FillValue = NaNf ;
		value_std_dev:long_name = "standard_deviation_in_reported_value" ;
		value_std_dev:units = "mol mol-1" ;
		value_std_dev:comment = "This is the standard deviation of the reported mean value when nvalue is greater than 1. See provider_comment if available." ;
	float latitude(time) ;
		latitude:_FillValue = NaNf ;
		latitude:long_name = "sample_latitude_in_decimal_degrees" ;
		latitude:units = "decimal degrees north (-90..90)" ;
		latitude:comment = "Latitude at which air sample was collected." ;
	float longitude(time) ;
		longitude:_FillValue = NaNf ;
		longitude:long_name = "sample_longitude_in_decimal_degrees" ;
		longitude:units = "decimal degrees east (-180..180)" ;
		longitude:comment = "Longitude at which air sample was collected." ;
	float altitude(time) ;
		altitude:_FillValue = NaNf ;
		altitude:long_name = "sample_altitude_in_meters_above_sea_level" ;
		altitude:units = "meters above sea level (masl)" ;
		altitude:comment = "Altitude (surface elevation plus sample intake height) at which air sample was collected" ;
	float intake_height(time) ;
		intake_height:_FillValue = NaNf ;
		intake_height:long_name = "Height above ground at which air sample was collected" ;
		intake_height:units = "meters above ground level (magl)" ;
		intake_height:comment = "Sample intake height in meters above ground level (magl)" ;
	char qc_flag(time) ;
		qc_flag:_FillValue = "-" ;
		qc_flag:long_name = "quality_control_flag" ;
		qc_flag:comment = "- Flag \'U\' = data correct before manual quality control - Flag \'O\' = data correct after manual quality control, other flags denote incorrect data. Data processing at ICOS ATC is described in [Hazan et al., 2016], doi:10.5194/amt-9-4719-2016." ;
	int quality_id(time) ;
		quality_id:_FillValue = -9 ;
		quality_id:long_name = "quality_id" ;
		quality_id:comment = "unique id linking to the QC provenance - Data processing at ICOS ATC is described in [Hazan et al., 2016], doi:10.5194/amt-9-4719-2016." ;
	int instrument(time) ;
		instrument:_FillValue = -9 ;
		instrument:long_name = "instrument_ID_to_detect_atmospheric_parameter" ;
		instrument:comment = "Instrument ID used to detect atmospheric parameter. See provider_comment if available." ;
		instrument:provider_comment = "This variable is the ICOS provided Instrument ID" ;
	byte icos_datalevel(time) ;
		icos_datalevel:_FillValue = 0b ;
		icos_datalevel:long_name = "icos_data_release_level" ;
		icos_datalevel:comment = "Level 0 means pre-ICOS or non-ICOS data (processing by PI); Level 1 means NRT=near real-time data (Automatic Quality Control by ICOS ATC) delay max 24 hrs; Level 2 means final quality data (Manual and automatic QC by PI and ATC - Data processing at ICOS ATC is described in [Hazan et al., 2016], doi:10.5194/amt-9-4719-2016." ;
	float icos_LTR(time) ;
		icos_LTR:_FillValue = NaNf ;
		icos_LTR:long_name = "icos_long_term_repeatibility" ;
		icos_LTR:units = "mol mol-1" ;
		icos_LTR:comment = "Analytical uncertainty parameters LTR, SMR and STTB are described in [Yver Kwok et al, 2015] https://doi.org/10.5194/amt-8-3867-2015" ;
	float icos_SMR(time) ;
		icos_SMR:_FillValue = NaNf ;
		icos_SMR:long_name = "icos_continuous_measurement_repeatibility" ;
		icos_SMR:units = "mol mol-1" ;
		icos_SMR:comment = "Analytical uncertainty parameters LTR, SMR and STTB are described in [Yver Kwok et al, 2015] https://doi.org/10.5194/amt-8-3867-2015" ;
	float icos_STTB(time) ;
		icos_STTB:_FillValue = NaNf ;
		icos_STTB:long_name = "icos_short_term_target_bias" ;
		icos_STTB:units = "mol mol-1" ;
		icos_STTB:comment = "Analytical uncertainty parameters LTR, SMR and STTB are described in [Yver Kwok et al, 2015] https://doi.org/10.5194/amt-8-3867-2015" ;
	byte obs_flag(time) ;
		obs_flag:_FillValue = 1b ;
		obs_flag:long_name = "obs_flag" ;
		obs_flag:units = "binary" ;
		obs_flag:comment = "Determined by data provider (1: large spatial scale representation; 0: local/regional influence).  The implementation of this flag is still being developed." ;
	char obspack_id(time, string_of_200chars) ;
		obspack_id:long_name = "obs_flag" ;
		obspack_id:comment = "Unique identification string that distinguishes the data item from all other data items both within an ObsPack product, and across any ObsPack data product. It includes obspack_name, dataset_name, and obspack_num, with each field delimited by a tilde (~)." ;
	byte assimilation_concerns(time, dim_concerns) ;
		assimilation_concerns:long_name = "assimilation_concerns" ;
		assimilation_concerns:units = "NA" ;
		assimilation_concerns:order = "time window, representivity, variability, under review, wdcgg-background, scale_conversion" ;
		assimilation_concerns:comment = "Values in this array indicate if the given observation has the assimilation concern defined by each column. A value of 0 means that there is no concern or it is not known to exist, and a non-zero value means that this concern does exist. Data suitable for a global scale model in general will have a 0 in the time window, representivity, and variability columns of this variable. Theimplementation of this variable is still being developed." ;
	int obs_num(time) ;
		obs_num:long_name = "unique_dataset_observation_number" ;
		obs_num:comment = "Unique observation number in this data set.  Range is from 1 to 52561" ;
	int obspack_num(time) ;
		obspack_num:long_name = "unique_ObsPack_observation_number" ;
		obspack_num:comment = "Unique observation index number across all data sets in the ObsPack data product. Range is from 1 to max_obspack_num" ;

// global attributes:
		:site_code = "HTM" ;
		:site_name = "Hyltemossa" ;
		:site_country = "SE" ;
		:site_latitude = "56.0976" ;
		:site_longitude = "13.4189" ;
		:site_elevation = "115.0" ;
		:site_elevation_unit = "masl" ;
		:site_position_comment = "This is the nominal location of the site. The sampling location at many sites has changed over time, and we report here the most recent nominal location. The actual sampling location for each observation is not necessarily the site location. The sampling locations for each observation are reported in the latitude, longitude, and altitude variables.." ;
		:site_utc2lst = 1. ;
		:site_utc2lst_comment = "Add \'site_utc2lst\' hours to convert a time stamp in UTC (Coordinated Universal Time) to LST (Local Standard Time)." ;
		:site_url = "http://meta.icos-cp.eu/resources/stations/AS_HTM" ;
		:site_oscar_id = "0-20008-0-HTM" ;
		:warning_dataset_scale = "In Feb 2021, NOAA updated the WMO CO2 scale from version X2007 to X2019 (Hall et al., 2021). The X2019 scale supersedes all previous versions of the WMO scale and is used in this GV+ release. Values contributed on scales other than X2019 have been adjusted by either known scale offsets or with the known X2019 to X2007 relationship to account for changes in the scale relationship caused by the X2019 revision." ;
		:dataset_creation_date = "2022-12-13T11:08:54.237920" ;
		:dataset_num = 1041LL ;
		:dataset_name = "co2_htm_tower-insitu_424_allvalid-70magl" ;
		:dataset_globalview_prefix = "HTM_424.0C0" ;
		:dataset_process = "PassThru" ;
		:dataset_alternative_names = "NA" ;
		:dataset_alternative_names_description = "The attribute dataset_alternative_names is used to identify all other dataset names that have been used for the record in this dataset. To obtain the full record for this dataset please use all alternatively named datasets that appear in this ObsPack product and the corresponding release of either the CO2 GLOBALVIEWplus or CO2 NRT ObsPacks if applicable." ;
		:dataset_alternative_names_comment = "" ;
		:dataset_parameter = "co2" ;
		:dataset_project = "surface-insitu or tower-insitu" ;
		:dataset_platform = "fixed" ;
		:dataset_map = "https://meta.icos-cp.eu/station/?station=/resources/stations/AS_HTM&icon=https://static.icos-cp.eu/share/stations/icons/as.png" ;
		:dataset_selection = "all hourly data from 70.0 magl intake" ;
		:dataset_selection_tag = "allvalid-70.0magl" ;
		:dataset_comment = "Please note that some datasets included in past GLOBALVIEWplus releases are now provided by the ICOS program. The valid data selection scheme for ICOS datasets may differ significantly from the selection scheme provided previously by contributing laboratories.)" ;
		:dataset_contains_ICOS_L1_and_or_L2_data = "Yes" ;
		:dataset_calibration_scale = "WMO CO2 X2019" ;
		:dataset_start_date = "2016-12-12T23:59:59.946432Z" ;
		:dataset_stop_date = "2022-12-11T22:59:59.867522Z" ;
		:dataset_data_frequency = 1. ;
		:dataset_data_frequency_unit = "hour" ;
		:dataset_time_window_lst = "0-23" ;
		:dataset_time_window_utc = "0-23" ;
		:dataset_time_window_exclusion = "F" ;
		:dataset_intake_ht = "70.0" ;
		:dataset_intake_ht_unit = "magl" ;
		:dataset_description = "This data package is intended for use in carbon cycle inverse modeling, model evaluation, and satellite validation studies.  Please report errors and send comments regarding this product to the ObsPack originators. Please read carefully the ObsPack Fair Use statement and cite appropriately. This is the eigth release of the GLOBALVIEWplus (GV+) cooperative data product. Please review the release notes for this product www.esrl.noaa.gov/gmd/ccgg/obspack/release_notes.html. DOI metadata for this product are available at https://search.datacite.org/works/10.18160/CEC4-CAGK." ;
		:dataset_usage_url = "https://www.gml.noaa.gov/ccgg/obspack/citation.php?product=obspack_co2_466_GLOBALVIEWplus_v8.0_2022-09-25" ;
		:dataset_usage_description = "In addition to this product\'s citation we ask that you please cite the following provider citations when using data from this dataset." ;
		:dataset_provider_citation_total = "5" ;
		string :dataset_provider_citation_1 = "ICOS RI, Bergamaschi, P., Colomb, A., De Mazière, M., Emmenegger, L., Kubistin, D., Lehner, I., Lehtinen, K., Leuenberger, M., Lund Myhre, C., Marek, M., Platt, S. M., Plaß-Dülmer, C., Ramonet, M., Schmidt, M., Apadula, F., Arnold, S., Chen, H., Conil, S., … ICOS Central Radiocarbon Laboratory (CRL). (2022). <i> ICOS Atmosphere Release 2022-1 of Level 2 Greenhouse Gas Mole Fractions of CO2, CH4, N2O, CO, meteorology and 14CO2</i> (Version 1.0). ICOS ERIC - Carbon Portal. https://doi.org/10.18160/KCYX-HA35" ;
		:dataset_provider_citation_2 = "ICOS Research Infrastructure. (2018). <i>ICOS Near Real-Time (Level 1) Atmospheric Greenhouse Gas Mole Fractions of CO2, CO and CH4, growing time series starting from latest Level 2 release</i> (Version 1.0). ICOS ERIC. https://doi.org/10.18160/ATM_NRT_CO2_CH4" ;
		string :dataset_provider_citation_3 = "Heliasz, M., Biermann, T. (2022). ICOS ATC NRT CO2 growing time series, Hyltemossa (70.0 m), 2022-03-01–2022-12-11, ICOS RI, https://hdl.handle.net/11676/LxYl9ShGhVjWIoSCyMwuLn4X" ;
		string :dataset_provider_citation_4 = "Heliasz, M., Biermann, T. (2022). Atmospheric CO2 product, Hyltemossa (70.0 m), 2016-12-13–2022-02-28, European ObsPack, https://hdl.handle.net/11676/E7l1-mu1mP09SjNRVMq9GfhL" ;
		string :dataset_provider_citation_5 = "Heliasz, M., Biermann, T. (2022). ICOS ATC CO2 Release, Hyltemossa (70.0 m), 2017-04-17–2022-02-28, ICOS RI, https://hdl.handle.net/11676/2n4GK6WZaj3uHlb4Cwj7n1fb" ;
		:dataset_provider_license = "DATA POLICY: ICOS DATA is licensed under a Creative Commons Attribution 4.0 international licence (http://creativecommons.org/licenses/by/4.0/.The ICOS data licence is described at https://data.icos-cp.eu/licence." ;
		:dataset_provider_license_url = "http://creativecommons.org/licenses/by/4.0/" ;
		:dataset_reference_total_listed = 0LL ;
		string :dataset_contribution = "These data are provided by ICOS-RI AND Lund University - Centre for Environmental and Climate Research AND ICOS ATC, CAL, Carbon Portal. Principal investigators and contributors include Michal Heliasz AND Tobias Biermann AND Meelis Mölder." ;
		:obspack_variables_and_attributes = "ObsPack variables and attributes are described at www.gml.noaa.gov/ccgg/obspack/documentation.html#MetaData" ;
		:obspack_name = "obspack_co2_466_ICOS_v1.0_2022-12-13" ;
		:obspack_description = "This data package is intended for use in carbon cycle inverse modeling, model evaluation, and satellite validation studies.  Please report errors and send comments regarding this product to the ObsPack originators. Please read carefully the ObsPack Fair Use statement and cite appropriately. This is the sixth release of the GLOBALVIEWplus (GV+) cooperative data product. Please review the release notes for this product www.esrl.noaa.gov/gmd/ccgg/obspack/release_notes.html. DOImetadata for this product are available at https://search.datacite.org/works/10.25925/20201204. Please visit http://www.gml.noaa.gov/ccgg/obspack/ for more information." ;
		:obspack_creation_date = "2022-12-13T11:08:54.238018" ;
		:obspack_warning = "Every effort is made to create the most accurate and precise data product possible. Contributors reserve the right to make corrections to this product and data based on recalibration of standard gases or for other reasons deemed scientifically justified. Contributors to this product are not responsible for results and conclusions based on use of this product without regard to this warning." ;
		:obspack_fair_use = "This cooperative data product is made freely available to the scientific community and is intended to stimulate and support carbon cycle modeling studies.  We rely on the ethics and integrity of the user to assure that each contributing national and university laboratory receives fair credit for their work. Fair credit will depend on the nature of the work and the requirements of the institutions involved.Your use of this data product implies an agreement to contact each contributing laboratory for data sets used to discuss the nature of the work and the appropriate levelof acknowledgement. If this product is essential to the work, or if an important result or conclusion depends on this product, co-authorship may be appropriate. This should be discussed with the appropriate data providers at an early stage in the work.  Contacting the data providers is not optional; if you use this data product, you must contact the applicable data providers. To help you meet your obligation, the data product includes an e-mail distribution list of all data providers. This data product must be obtained directly from the ObsPack Data Portal at https://gml.noaa.gov/ccgg/obspack/ and may not be re-distributed.  In addition to the conditions of fair use as stated above, users must also include the ObsPack product citation in any publication or presentation using the product.  The required citation is included in every data product and in the automated e-mail sent to the user during product download." ;
		:obspack_usage_policy = "https://www.icos-cp.eu/data-services/about-data-portal/data-license" ;
		:obspack_data_license = "https://creativecommons.org/licenses/by/4.0/" ;
		:obspack_identifier_link = "https://doi.org/10.18160/CEC4-CAGK" ;
		string :obspack_citation = "ICOS RI, Bergamaschi, P., Colomb, A., De Mazière, M., Emmenegger, L., Kubistin, D., Lehner, I., Lehtinen, K., Lund Myhre, C., Marek, M., Platt, S. M., Plaß-Dülmer, C., Schmidt, M., Apadula, F., Arnold, S., Blanc, P.-E., Brunner, D., Chen, H., Chmura, L., … ICOS Central Radiocarbon Laboratory. (2022). <i>European Obspack compilation of atmospheric carbon dioxide data from ICOS and non-ICOS European stations for the period 1972-2022; obspack_co2_466_GLOBALVIEWplus_v8.0_2022-09-25</i> (Version 0.2) [Data set]. ICOS ERIC - Carbon Portal. https://doi.org/10.18160/CEC4-CAGK" ;
		:Conventions = "CF-1.7" ;
		:nc.institution = "Unidata" ;
		:source = "ICOS RI" ;
		:history = "2022-12-13 11:08:54.590933 Python in Jupyter notebook createObspackv2.ipynb" ;
}
