European Obspack compilation of atmospheric methane data from ICOS stations for the period 1984-2026; obspack_ch4_466_ICOSFT2026.2_20260410

This data package contains high accuracy CH4 dry air mole fractions from 40 ICOS European observatories at in total 98 observation levels, collected by the ICOS Atmosphere Thematic Centre (ATC) and provided by the station contributors. The package includes the 2026.2 FastTrack update of the Globalview EU data product and is intended for use in carbon cycle inverse modeling, model evaluation, and satellite validation studies. Please report errors and send comments regarding this product to the ObsPack originators. Please read carefully the ObsPack Fair Use statement and cite appropriately. Please review the release notes for the associated Obspack product at www.esrl.noaa.gov/gmd/ccgg/obspack/release_notes.html. Metadata for this product are available at https://commons.datacite.org/doi.org/10.18160/227Y-E2KA. Please visit http://www.gml.noaa.gov/ccgg/obspack/ for more information on Obspack.