Obspack CH4 time-series result from Hyltemossa (30.0 m)

European Obspack observational timeseries in netcdf format of ambient mole fraction of ch4 in dry air calibrated using the WMO GAW calibration scale WMO X2004A, composed of (all whenever available) historical PI QCed data, ICOS Level 2 data and ICOS NRT data ICOS RI, Bergamaschi, P., Colomb, A., De Mazière, M., Emmenegger, L., Kubistin, D., Lehtinen, K., Leuenberger, M., Lund Myhre, C., Marek, M.V., O'Doherty, S., Platt, S.M., Plaß-Dülmer, C., Ramonet, M., Schmidt, M., Apadula, F., Arnold, S., Chen, H., Conil, S., Cristofanelli, P., Di Iorio, T., Forster, G., Frumau, A., Haszpra, L., Hatakka, J., Heliasz, M., Hoheisel, A., Kneuer, T., Larmanou, E., Laurila, T., Lehner, I., Leskinen, A., Levula, J., Lindauer, M., Lunder, C., Mammarella, I., Manca, G., Manning, A., Marklund, P., Meinhardt, F., Molnár, M., Mölder, M., Müller-Williams, J., Ottosson-Löfvenius, M., Piacentino, S., Pitt, J., Rivas-Soriano, P., Scheeren, B., Schumacher, M., Sha, M.K., Steinbacher, M., Sørensen, L.L., Vermeulen, A., Vítková, G., Yver-Kwok, C., di Sarra, A., Conen, F., Kazan, V., Roulet, Y.-A., Biermann, T., Delmotte, M., Heltai, D., Hensen, A., Hermansen, O., Komínková, K., Laurent, O., Miettinen, P., Pichon, J.-M., Sferlazzo, D., Smith, P., Stanley, K., Trisolino, P., Zazzeri, G., ICOS Carbon Portal, ICOS Atmosphere Thematic Centre, ICOS Flask And Calibration Laboratory, ICOS Flask And Calibration Laboratory, ICOS Central Radiocarbon Laboratory, 2025. European Obspack compilation of atmospheric methane data from ICOS stations for the period 1984-2025; obspack_ch4_466_GV_ICOSFT2025.1_20250120. https://doi.org/10.18160/FE8D-2APZÖppnas i en ny tabb