ICOS

Obspack CH4 time-series result from Izaña (29.0 m)

Download
1984-07-01–2025-08-17
11676/MVlWkfMKT8yI88FyzunRn-Y0 (link)
Carbon Portal, Rivas-Soriano, P., Álvarez Hernández, A. (2025). Obspack CH4 time-series result from Izaña (29.0 m), 1984-07-01–2025-08-17, European ObsPack, https://hdl.handle.net/11676/MVlWkfMKT8yI88FyzunRn-Y0
BibTex
@misc{https://hdl.handle.net/11676/MVlWkfMKT8yI88FyzunRn-Y0,
  author={Carbon Portal and Rivas-Soriano, Pedro and Álvarez Hernández, Ayoze},
  title={Obspack CH4 time-series result from Izaña (29.0 m), 1984-07-01–2025-08-17},
  year={2025},
  keywords={WMO X2004A, atmospheric dry air ch4 mole fraction},
  url={https://hdl.handle.net/11676/MVlWkfMKT8yI88FyzunRn-Y0},
  publisher={Carbon Portal},
  copyright={http://meta.icos-cp.eu/ontologies/cpmeta/icosLicence},
  pid={11676/MVlWkfMKT8yI88FyzunRn-Y0}
}
RIS
TY - DATA
T1 - Obspack CH4 time-series result from Izaña (29.0 m), 1984-07-01–2025-08-17
ID - 11676/MVlWkfMKT8yI88FyzunRn-Y0
PY - 2025
UR - https://hdl.handle.net/11676/MVlWkfMKT8yI88FyzunRn-Y0
PB - Carbon Portal
AU - Carbon Portal
AU - Rivas-Soriano, Pedro
AU - Álvarez Hernández, Ayoze
KW - WMO X2004A
KW - atmospheric dry air ch4 mole fraction
ER - 
ch4_izo_surface-insitu_27_allvalid.nc
4 MB (4620050 bytes)
302472
2

Acquisition

1984-07-01 00:30:00
2025-08-17 23:30:00
29.0

Production

2025-08-18 12:06:28
This data file contains high accuracy European ObsPack observational timeseries in netCDF format of ambient mole fraction of CH4 in dry air collected at Izaña (29.0 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

10
1

Submission

2025-08-21 13:47:29
2025-08-21 13:47:20

Technical information

R, U, O
31595691f30a4fcc88f3c172cee9d19fe6343d25bf33bba27f7a0155d8cfc204
MVlWkfMKT8yI88FyzunRn+Y0PSW/M7uif3oBVdjPwgQ
Lat: 28.309, Lon: -16.499, Alt: 2372.9 m
CH4 ICOS Obspack WMO X2004A atmospheric dry air ch4 mole fraction time series