ICOS

Obspack CH4 time-series result from Cabauw (207.0 m)

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1993-04-01–2025-08-17

Deprecated data

Latest version: 6JZ3xq6A4Q-29u73DiVmn95J
11676/c6aJRjpBgfQE9sI923Qf6De7 (link)
This data file contains high accuracy European ObsPack observational timeseries in netCDF format of ambient mole fraction of CH4 in dry air collected at Cabauw (207.0 m). The measurements were calibrated using the WMO GAW calibration scale WMO CH4 X2004A. Included are (all whenever available) historical PI QCed data, ICOS Level 2 data and ICOS NRT data. It is part of the CH4 European Obspack data product (version 11.0) and is intended for use in carbon cycle inverse modeling, model evaluation, and satellite validation studies. Metadata for the full CH4 product release are available at https://commons.datacite.org/doi.org/10.18160/X5ZG-C3WE. 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).
ICOS RI, Frumau, A., Hensen, A., Vermeulen, A., van den Bulk, P. (2025). Obspack CH4 time-series result from Cabauw (207.0 m), 1993-04-01–2025-08-17, European ObsPack, https://hdl.handle.net/11676/c6aJRjpBgfQE9sI923Qf6De7
BibTex
@misc{https://hdl.handle.net/11676/c6aJRjpBgfQE9sI923Qf6De7,
  author={ICOS RI and Frumau, Arnoud and Hensen, Arjan and Vermeulen, Alex and van den Bulk, Pim},
  title={Obspack CH4 time-series result from Cabauw (207.0 m), 1993-04-01–2025-08-17},
  year={2025},
  keywords={WMO X2004A, atmospheric dry air ch4 mole fraction},
  url={https://hdl.handle.net/11676/c6aJRjpBgfQE9sI923Qf6De7},
  publisher={Carbon Portal},
  copyright={http://meta.icos-cp.eu/ontologies/cpmeta/icosLicence},
  pid={11676/c6aJRjpBgfQE9sI923Qf6De7}
}
RIS
TY - DATA
T1 - Obspack CH4 time-series result from Cabauw (207.0 m), 1993-04-01–2025-08-17
ID - 11676/c6aJRjpBgfQE9sI923Qf6De7
PY - 2025
UR - https://hdl.handle.net/11676/c6aJRjpBgfQE9sI923Qf6De7
PB - Carbon Portal
AU - ICOS RI
AU - Frumau, Arnoud
AU - Hensen, Arjan
AU - Vermeulen, Alex
AU - van den Bulk, Pim
KW - WMO X2004A
KW - atmospheric dry air ch4 mole fraction
ER - 
ch4_cbw_tower-insitu_445_allvalid-207magl.nc
3 MB (3242861 bytes)
203289
2

Acquisition

1993-04-01 14:30:00
2025-08-17 23:30:00
207.0

Production

2025-08-18 12:04:30

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_std_dev standard deviation of gas mole fraction a.u. portion Preview
icos_LTR ICOS mole fraction uncertainty metrics mol mol-1 portion Preview
icos_STTB ICOS mole fraction uncertainty metrics mol mol-1 portion Preview
icos_SMR ICOS mole fraction uncertainty metrics mol mol-1 portion Preview
value CH4 (dry air mole fraction) mol mol-1 portion Preview

Statistics

12
0

Submission

2025-08-21 13:34:49
2025-08-21 13:34:46

Technical information

R, U, O
73a689463a4181f404f6c23ddb741fe837bb4c66f446c1d01685883aa07b1878
c6aJRjpBgfQE9sI923Qf6De7TGb0RsHQFoWIOqB7GHg
Lat: 51.9703, Lon: 4.9264, Alt: 0.0 m
CH4 ICOS Obspack WMO X2004A atmospheric dry air ch4 mole fraction time series