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Obspack CH4 time-series result from Birkenes (50.0 m)

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2020-09-14–2026-08-23
11676/8u21TzDe90335SELiTQuzDmq (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 Birkenes (50.0 m). The measurements were calibrated using the WMO GAW calibration scale WMO 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 a release of the CH4 European Obspack data product (version 12.1), 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/K54N-TNWH. 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/MD10-E1BJ).
Lund Myhre, C., Platt, S., Lunder, C., Hermansen, O. (2026). Obspack CH4 time-series result from Birkenes (50.0 m), 2020-09-14–2026-08-23, European ObsPack, https://hdl.handle.net/11676/8u21TzDe90335SELiTQuzDmq
BibTex
@misc{https://hdl.handle.net/11676/8u21TzDe90335SELiTQuzDmq,
  author={Lund Myhre, Cathrine and Platt, Stephen Matthew and Lunder, Chris and Hermansen, Ove},
  title={Obspack CH4 time-series result from Birkenes (50.0 m), 2020-09-14–2026-08-23},
  year={2026},
  keywords={WMO X2004A, atmospheric dry air ch4 mole fraction},
  url={https://hdl.handle.net/11676/8u21TzDe90335SELiTQuzDmq},
  publisher={Carbon Portal},
  copyright={http://meta.icos-cp.eu/ontologies/cpmeta/icosLicence},
  pid={11676/8u21TzDe90335SELiTQuzDmq}
}
RIS
TY - DATA
T1 - Obspack CH4 time-series result from Birkenes (50.0 m), 2020-09-14–2026-08-23
ID - 11676/8u21TzDe90335SELiTQuzDmq
PY - 2026
UR - https://hdl.handle.net/11676/8u21TzDe90335SELiTQuzDmq
PB - Carbon Portal
AU - Lund Myhre, Cathrine
AU - Platt, Stephen Matthew
AU - Lunder, Chris
AU - Hermansen, Ove
KW - WMO X2004A
KW - atmospheric dry air ch4 mole fraction
ER - 
ch4_bir_tower-insitu_56_50magl.nc
994 KB (1017875 bytes)
52080
2

Acquisition

2020-09-14 00:30:00
2026-08-23 23:30:00
50.0

Production

2026-08-26 06:54:39

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
nvalue number of points cardinal number Preview

Statistics

1
0

Submission

2026-08-26 09:48:50
2026-08-26 09:48:49

Technical information

R, U, O
f2edb54f30def74df7e5210b89342ecc39aae0761537c52a0122e4f72a4a6143
8u21TzDe90335SELiTQuzDmq4HYVN8UqASLk9ypKYUM
Lat: 58.3886, Lon: 8.2519, Alt: 219.0 m
CH4 ICOS Obspack WMO X2004A atmospheric dry air ch4 mole fraction time series