ICOS

Obspack CH4 time-series result from Norunda (58.0 m)

Download
2017-01-31–2025-08-17
11676/ow1tDfHt7B3qeHq8e-_1Cb2r (link)
Carbon Portal, Lehner, I., Molder, M. (2025). Obspack CH4 time-series result from Norunda (58.0 m), 2017-01-31–2025-08-17, European ObsPack, https://hdl.handle.net/11676/ow1tDfHt7B3qeHq8e-_1Cb2r
BibTex
@misc{https://hdl.handle.net/11676/ow1tDfHt7B3qeHq8e-_1Cb2r,
  author={Carbon Portal and Lehner, Irene and Molder, Meelis},
  title={Obspack CH4 time-series result from Norunda (58.0 m), 2017-01-31–2025-08-17},
  year={2025},
  keywords={WMO X2004A, atmospheric dry air ch4 mole fraction},
  url={https://hdl.handle.net/11676/ow1tDfHt7B3qeHq8e-_1Cb2r},
  publisher={Carbon Portal},
  copyright={http://meta.icos-cp.eu/ontologies/cpmeta/icosLicence},
  pid={11676/ow1tDfHt7B3qeHq8e-_1Cb2r}
}
RIS
TY - DATA
T1 - Obspack CH4 time-series result from Norunda (58.0 m), 2017-01-31–2025-08-17
ID - 11676/ow1tDfHt7B3qeHq8e-_1Cb2r
PY - 2025
UR - https://hdl.handle.net/11676/ow1tDfHt7B3qeHq8e-_1Cb2r
PB - Carbon Portal
AU - Carbon Portal
AU - Lehner, Irene
AU - Molder, Meelis
KW - WMO X2004A
KW - atmospheric dry air ch4 mole fraction
ER - 
ch4_nor_tower-insitu_424_allvalid-58magl.nc
1 MB (1443942 bytes)
72756
2

Acquisition

2017-01-31 00:30:00
2025-08-17 23:30:00
58.0

Production

2025-08-18 12:09:13
This data file contains high accuracy European ObsPack observational timeseries in netCDF format of ambient mole fraction of CH4 in dry air collected at Norunda (58.0 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).

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

9
0

Submission

2025-08-21 14:01:02
2025-08-21 14:01:01

Technical information

R, U, O
a30d6d0df1edec1dea787abc7beff509bdab25a04b7a1ff5232cf7763bcef0bd
ow1tDfHt7B3qeHq8e+/1Cb2rJaBLeh/1Iyz3djvO8L0
Lat: 60.0864, Lon: 17.4794, Alt: 46.0 m
CH4 ICOS Obspack WMO X2004A atmospheric dry air ch4 mole fraction time series