ICOS Atmosphere Release 2026-2 of Level 1 Fast track Greenhouse Gas Mole Fractions of CO2, CH4, N2O, CO, meteorology data and flask samples analysed for CO2, CH4, N2O, CO, H2, SF6, 14CO2, O2/N2, delta13C_CO2 and delta18O

2026-04-19T12:55:49Z https://oai.datacite.org/oai

doi:10.18160/abtf-sd2q 2026-04-01T12:31:43Z MVIY SND.ICOS

10.18160/ABTF-SD2Q ICOS RI 01d0fc168 Adame, José José Adame 0000-0002-6302-7193 Apadula, Francesco Francesco Apadula 0000-0002-0969-0525 Biermann, Tobias Tobias Biermann 0000-0001-8538-1495 Blessing, Cornelia Cornelia Blessing Charrondière, Claudine Claudine Charrondière 0000-0002-1150-9764 Colomb, Aurélie Aurélie Colomb 0000-0002-2595-3911 Conil, Sébastien Sébastien Conil 0000-0001-6767-821X Couret, Cédric Cédric Couret 0000-0002-1874-9883 Cristofanelli, Paolo Paolo Cristofanelli 0000-0001-5666-9131 De Mazière, Martine Martine De Mazière 0000-0003-4889-5889 Delmotte, Marc Marc Delmotte 0000-0003-3805-818X Di Iorio, Tatiana Tatiana Di Iorio Emmenegger, Lukas Lukas Emmenegger 0000-0002-9812-3986 Forster, Grant Grant Forster 0000-0003-1783-9307 Frumau, Arnoud Arnoud Frumau 0000-0001-5940-0285 Harris, Eliza Eliza Harris Haszpra, Laszlo Laszlo Haszpra Hatakka, Juha Juha Hatakka Heliasz, Michal Michal Heliasz 0000-0003-2635-9604 Hensen, Arjan Arjan Hensen 0000-0002-8467-7785 Hermansen, Ove Ove Hermansen 0000-0001-7353-057X Hoheisel, Antje Antje Hoheisel Kneuer, Tobias Tobias Kneuer 0000-0002-5621-3780 Komínková, Kateřina Kateřina Komínková 0000-0003-4001-9999 Kubistin, Dagmar Dagmar Kubistin 0000-0002-5467-9309 Larmanou, Eric Eric Larmanou 0000-0002-6427-8859 Laurent, Olivier Olivier Laurent 0000-0002-2029-6262 Lehner, Irene Irene Lehner 0000-0002-2263-6734 Lehtinen, Kari Kari Lehtinen 0000-0002-7827-2810 Leskinen, Ari Ari Leskinen 0000-0003-4308-4534 Lindauer, Matthias Matthias Lindauer 0000-0001-9274-8750 Lopez, Morgan Morgan Lopez 0000-0003-1725-3410 Lund Myhre, Cathrine Cathrine Lund Myhre 0000-0003-3587-5926 Lunder, Chris Chris Lunder 0000-0002-7663-3192 Mammarella, Ivan Ivan Mammarella 0000-0002-8516-3356 Manca, Giovanni Giovanni Manca 0000-0002-9376-0310 Marek, Michal V. Michal V. Marek 0000-0003-3349-8987 Marklund, Per Per Marklund 0000-0001-7264-5498 Meinhardt, Frank Frank Meinhardt Miettinen, Pasi Pasi Miettinen Molnár, Mihály Mihály Molnár Montaguti, Simonetta Simonetta Montaguti 0009-0003-1180-918X Müller-Williams, Jennifer Jennifer Müller-Williams 0000-0002-4840-7729 O'Doherty, Simon Simon O'Doherty 0000-0002-4051-6760 Piacentino, Salvatore Salvatore Piacentino Pichon, Jean-Marc Jean-Marc Pichon Pitt, Joseph Joseph Pitt 0000-0002-8660-5136 Platt, Stephen Matthew Stephen Matthew Platt 0000-0002-8439-6633 Plaß-Dülmer, Christian Christian Plaß-Dülmer Ramonet, Michel Michel Ramonet 0000-0003-1157-1186 Rivas-Soriano, Pedro Pedro Rivas-Soriano Roulet, Yves-Alain Yves-Alain Roulet Scheeren, Bert Bert Scheeren 0000-0001-6333-8402 Schmidt, Martina Martina Schmidt 0000-0002-4648-769X Sferlazzo, Damiano Damiano Sferlazzo 0009-0000-2970-304X Sha, Mahesh Kumar Mahesh Kumar Sha 0000-0003-1440-1529 Stanley, Kieran Kieran Stanley 0000-0003-3388-0932 Steinbacher, Martin Martin Steinbacher 0000-0002-7195-8115 Sørensen, Lise Lotte Lise Lotte Sørensen Vítková, Gabriela Gabriela Vítková 0000-0002-1022-0256 Yela, Margarita Margarita Yela Ylisirniö, Arttu Arttu Ylisirniö Yver-Kwok, Camille Camille Yver-Kwok 0000-0002-2181-2863 Zazzeri, Giulia Giulia Zazzeri 0000-0002-7297-5670 Zwerschke, Elena Elena Zwerschke di Sarra, Alcide Alcide di Sarra 0000-0002-2405-2898 ICOS ATC ICOS-CAL-CRL ICOS-CAL-FCL ICOS Atmosphere Release 2026-2 of Level 1 Fast track Greenhouse Gas Mole Fractions of CO2, CH4, N2O, CO, meteorology data and flask samples analysed for CO2, CH4, N2O, CO, H2, SF6, 14CO2, O2/N2, delta13C_CO2 and delta18O_CO2 ICOS ERIC -- Carbon Portal 2026 datasets Flask ICOS concentration fasttrack meteo ICOS-CAL-CRL ICOS-CAL-FCL 2026-04-01 ICOS ATC time series ICOS ATC Flask time series 1.0 Creative Commons Attribution 4.0 International 2026.2 FastTrack release containing data from the atmospheric network of ICOS Research Infrastructure for 40 stations and atmospheric composition at all available vertical levels at stations El Arenosillo, Birkenes, Cabauw, Gartow, Hegyhátsál, Helgoland, Hohenpeißenberg, Hyltemossa, Ispra, Izaña, Jungfraujoch, Jülich, Karlsruhe, Křešín u Pacova, La Réunion, Lampedusa, Lindenberg, Lutjewad, Monte Cimone, Norunda, OPE, Ochsenkopf, Pallas, Plateau Rosa, Puijo, Puy de Dôme, La Réunion, Ridge Hill, Saclay, SMEAR-II Hyytiälä, Station Nord, Schauinsland, Steinkimmen, Svartberget, Torfhaus, Trainou, Utö - Baltic Sea, Westerland, Weybourne, Zeppelin Observatory and Zugspitze. This collection contains the FastTrack (Level 1.5) quality controlled hourly averaged data for the mole fractions of CO2, CH4, N2O, CO and meteorological observations measured at the relevant vertical levels of the measurements stations as well as flask samples analysed for CO2, CH4, N2O, CO, H2, SF6, delta13C_CO2, deltaO18_CO2, O2/N2 and 14C for the period 1 April 2025-20 January 2026. All stations follow the ICOS Atmospheric Station specification V2.0 (https://doi.org/10.18160/GK28-2188) and are certified as ICOS atmospheric stations Class I or II. Data processing has been performed as described in Hazan et al., 2016 (doi:10.5194/amt-9-4719-2016). HTM 56.0976 13.4189 ZSF 47.4165 10.9796 ZEP 78.9072 11.8867 WES 54.9231 8.308 WAO 52.95 1.121 UTO 59.7839 21.3672 TRN 47.9647 2.1125 TOH 51.8088 10.535 SVB 64.256 19.775 STE 53.0431 8.4588 SSL 47.9167 7.9166 SNO 81.3605 -16.3943 SMR 61.8474 24.2947 SAC 48.7227 2.142 RUN -21.0796 55.3841 RGL 51.9975 -2.5399 PUY 45.7719 2.9658 PUI 62.9096 27.6549 PRS 45.93 7.7 PAL 67.9733 24.1157 OXK 50.03 11.8083 OPE 48.5619 5.5036 NOR 60.0864 17.4794 LUT 53.4036 6.3528 LMP 35.5181 12.6322 LIN 52.1663 14.1226 KRE 49.572 15.08 KIT 49.0915 8.4249 JUE 50.9102 6.4096 JFJ 46.5475 7.9851 IZO 28.309 -16.499 IPR 45.8147 8.636 HUN 46.9558 16.6522 HPB 47.8011 11.0246 HEL 54.1804 7.8833 GAT 53.0657 11.4429 CMN 44.1936 10.6999 CBW 51.9703 4.9264 BIR 58.3886 8.2519 ARN 37.104 -6.734