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Obspack 14CO2 time-series result from Cabauw (207.0 m)

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2015-09-23–2025-08-06
11676/UsKbo2sAQ5qqW3nsSptRJsHh (link)
This data file contains high accuracy European ObsPack observational timeseries in netCDF format of ambient mole fraction of 14CO2 in dry air collected at Cabauw (207.0 m). The measurements were calibrated using the WMO GAW calibration scale . Included are (all whenever available) historical PI QCed data, ICOS Level 2 data, ICOS FastTrack data and ICOS NRT data. It is part of the 14CO2 European Obspack data product (version 12.0) and is intended for use in carbon cycle inverse modeling, model evaluation, and satellite validation studies. Metadata for the full 14CO2 product release are available at https://commons.datacite.org/doi.org/10.18160/31ZQ-CXG0. Please also visit http://www.gml.noaa.gov/ccgg/obspack/ for more information. If you use these data in your research, please consider citing the full ObsPack release that this file is part of (https://commons.datacite.org/doi.org/10.18160/ERAF-JSPW).
European ObsPack
European Obspack compilation of atmospheric radiocarbon (Delta 14C in CO2) data from ICOS and non-ICOS European stations for the period 2015-2026; obspack_14co2_466_GVeu_v12.0_20260806
ICOS ObsPack compilation of atmospheric greenhouse gas data from Cabauw (CBW) for the period 1992-2026
Carbon Portal, Frumau, A., Hensen, A., Vermeulen, A., Hilland, R., van den Bulk, P. (2026). Obspack 14CO2 time-series result from Cabauw (207.0 m), 2015-09-23–2025-08-06, European ObsPack, https://hdl.handle.net/11676/UsKbo2sAQ5qqW3nsSptRJsHh
BibTex 
@misc{https://hdl.handle.net/11676/UsKbo2sAQ5qqW3nsSptRJsHh,
  author={Carbon Portal and Frumau, Arnoud and Hensen, Arjan and Vermeulen, Alex and Hilland, Rainer and van den Bulk, Pim},
  title={Obspack 14CO2 time-series result from Cabauw (207.0 m), 2015-09-23–2025-08-06},
  year={2026},
  keywords={atmospheric dry air 14co2 mole fraction},
  url={https://hdl.handle.net/11676/UsKbo2sAQ5qqW3nsSptRJsHh},
  publisher={Carbon Portal},
  copyright={http://meta.icos-cp.eu/ontologies/cpmeta/icosLicence},
  pid={11676/UsKbo2sAQ5qqW3nsSptRJsHh}
}
RIS 
TY - DATA
T1 - Obspack 14CO2 time-series result from Cabauw (207.0 m), 2015-09-23–2025-08-06
ID - 11676/UsKbo2sAQ5qqW3nsSptRJsHh
PY - 2026
UR - https://hdl.handle.net/11676/UsKbo2sAQ5qqW3nsSptRJsHh
PB - Carbon Portal
AU - Carbon Portal
AU - Frumau, Arnoud
AU - Hensen, Arjan
AU - Vermeulen, Alex
AU - Hilland, Rainer
AU - van den Bulk, Pim
KW - atmospheric dry air 14co2 mole fraction
ER -
14co2_cbw_surface-insitu_445_207magl.nc
109 KB (111694 bytes)
150
Obspack 14CO2 time-series result
2
ICOS CCBY4 Data Licence

Acquisition

Cabauw
2015-09-23 00:30:00
2025-08-06 19:53:00
207.0

Production

Carbon Portal
Carbon Portal
2026-08-06 22:01:07
Arnoud Frumau, Arjan Hensen, Alex Vermeulen, Rainer Hilland, Pim van den Bulk
ICOS_ATC_L2_L2-2026.1_CBW_207.0_779_14C.zip

Previewable variables

Name Value type Unit Quantity kind Preview
time time instant, UTC
qc_flag quality flag
icos_datalevel data level (Obspack) natural number Preview
value Δ14C per mil ratio Preview
nvalue number of points cardinal number Preview

Statistics

2
0

Submission

Carbon Portal
2026-08-06 22:20:05
2026-08-06 22:20:04

Technical information

NetCDF (time series)
R, U, O
plain file
52c29ba36b00439aaa5b79ec4a9b5126c1e10f137db4bd27670657c0ed6eaaa8
UsKbo2sAQ5qqW3nsSptRJsHhDxN9tL0nZwZXwO1uqqg
Lat: 51.9703, Lon: 4.9264, Alt: 0.0 m
Cabauw
JSON • RDF/XML • RDF/Turtle • XML (ISO 19115-3:2016)
14CO2 ICOS Obspack atmospheric dry air 14co2 mole fraction timeseries