ICOS

Obspack CH4 time-series result from Westerland (14.0 m)

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2021-07-23–2025-01-22

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Latest version: TVjLXUKbry6V-D3ke9-8dZk7
11676/DLso5G_hSxQglQr-houME-kp (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 Westerland (14.0 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, ICOS FastTrack data and ICOS NRT data. It is part of the 2025.1 FastTrack update of the Globalview EU data product 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/FE8D-2APZ. 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/TPSB-DE2T).
ICOS RI, Couret, C., Schmidt, M., Elsasser, M. (2025). Obspack CH4 time-series result from Westerland (14.0 m), 2021-07-23–2025-01-22, European ObsPack, https://hdl.handle.net/11676/DLso5G_hSxQglQr-houME-kp
BibTex
@misc{https://hdl.handle.net/11676/DLso5G_hSxQglQr-houME-kp,
  author={ICOS RI and Couret, Cédric and Schmidt, Martina and Elsasser, Michael},
  title={Obspack CH4 time-series result from Westerland (14.0 m), 2021-07-23–2025-01-22},
  year={2025},
  keywords={WMO X2004A, atmospheric dry air ch4 mole fraction},
  url={https://hdl.handle.net/11676/DLso5G_hSxQglQr-houME-kp},
  publisher={Carbon Portal},
  copyright={http://meta.icos-cp.eu/ontologies/cpmeta/icosLicence},
  pid={11676/DLso5G_hSxQglQr-houME-kp}
}
RIS
TY - DATA
T1 - Obspack CH4 time-series result from Westerland (14.0 m), 2021-07-23–2025-01-22
ID - 11676/DLso5G_hSxQglQr-houME-kp
PY - 2025
UR - https://hdl.handle.net/11676/DLso5G_hSxQglQr-houME-kp
PB - Carbon Portal
AU - ICOS RI
AU - Couret, Cédric
AU - Schmidt, Martina
AU - Elsasser, Michael
KW - WMO X2004A
KW - atmospheric dry air ch4 mole fraction
ER - 
ch4_wes_surface-insitu_25_allvalid.nc
616 KB (630827 bytes)
29483
2

Acquisition

2021-07-23 11:30:00
2025-01-22 23:30:00
14.0

Production

2025-01-23 16:37:34

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

39
0

Submission

2025-01-23 16:45:40
2025-01-23 16:45:38

Technical information

R, U, O
0cbb28e46fe14b1420950afe868b8c13e9295424162862291a47ee6e54556a77
DLso5G/hSxQglQr+houME+kpVCQWKGIpGkfublRVanc
Lat: 54.9231, Lon: 8.308, Alt: 12.0 m
CH4 ICOS Obspack WMO X2004A atmospheric dry air ch4 mole fraction time series