Obspack CH4 time-series result from Pallas (12.0 m)

This data file contains high accuracy European ObsPack observational timeseries in netCDF format of ambient mole fraction of CH4 in dry air collected at Pallas (12.0 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).

@misc{https://hdl.handle.net/11676/Sy1BFqVAdmZs9TA9NH5ExAwQ,
  author={ICOS RI and Hatakka, Juha},
  title={Obspack CH4 time-series result from Pallas (12.0 m), 2004-02-11–2025-08-17},
  year={2025},
  keywords={WMO X2004A, atmospheric dry air ch4 mole fraction},
  url={https://hdl.handle.net/11676/Sy1BFqVAdmZs9TA9NH5ExAwQ},
  publisher={Carbon Portal},
  copyright={http://meta.icos-cp.eu/ontologies/cpmeta/icosLicence},
  pid={11676/Sy1BFqVAdmZs9TA9NH5ExAwQ}
}

TY - DATA
T1 - Obspack CH4 time-series result from Pallas (12.0 m), 2004-02-11–2025-08-17
ID - 11676/Sy1BFqVAdmZs9TA9NH5ExAwQ
PY - 2025
UR - https://hdl.handle.net/11676/Sy1BFqVAdmZs9TA9NH5ExAwQ
PB - Carbon Portal
AU - ICOS RI
AU - Hatakka, Juha
KW - WMO X2004A
KW - atmospheric dry air ch4 mole fraction
ER - 

ch4_pal_surface-insitu_30_allvalid.nc

3 MB (2951953 bytes)

172222

2

2004-02-11 18:30:00

2025-08-17 23:30:00

12.0

2025-08-18 12:09:54

2025-08-21 14:01:30

2025-08-21 14:01:27

R, U, O

4b2d4116a54076666cf5303d347e44c40c10e105381c4aa42cba02a0324ab5d0

Sy1BFqVAdmZs9TA9NH5ExAwQ4QU4HEqkLLoCoDJKtdA