This data package contains high accuracy CO2 dry air mole fractions from 39 ICOS European observatories at in total 95 observation levels, collected by the ICOS Atmosphere Thematic Centre (ATC) and provided by the station contributors. The package is the 2024.3 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/10.18160/85D0-RCDQ. Please visit http://www.gml.noaa.gov/ccgg/obspack/ for more information on Obspack. European CO2 ObsPack, packaged by ICOS Carbon Portal ICOS RI, Bergamaschi, P., Colomb, A., De Mazière, M., Emmenegger, L., Kubistin, D., Lehner, I., Lehtinen, K., Leuenberger, M., Lund Myhre, C., Marek, M.V., O'Doherty, S., Platt, S.M., Plaß-Dülmer, C., Schmidt, M., Apadula, F., Arnold, S., Chen, H., Conil, S., Couret, C., Cristofanelli, P., Forster, G., Frumau, A., Haszpra, L., Heliasz, M., Hensen, A., Hoheisel, A., Kneuer, T., Larmanou, E., Laurila, T., Leskinen, A., Lindauer, M., Lunder, C., Mammarella, I., Manca, G., Manning, A., 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., di Sarra, A., Conen, F., Kazan, V., Roulet, Y.-A., Biermann, T., Delmotte, M., Heltai, D., Hermansen, O., Komínková, K., Laurent, O., Levula, J., Lopez, M., Marklund, P., Pichon, J.-M., Ramonet, M., Sferlazzo, D., Smith, P., Stanley, K., Trisolino, P., Zazzeri, G., ICOS Carbon Portal, ICOS Atmosphere Thematic Centre, ICOS Flask And Calibration Laboratory, 2024. European Obspack compilation of atmospheric carbon dioxide data from ICOS stations for the period 1972-2024; obspack_co2_466_GV_ICOSFT2024.3_20241009. https://doi.org/10.18160/85D0-RCDQ

European CO2 ObsPack, packaged by ICOS Carbon Portal ICOS RI, Bergamaschi, P., Colomb, A., De Mazière, M., Emmenegger, L., Kubistin, D., Lehner, I., Lehtinen, K., Lund Myhre, C., Marek, M., Platt, S.M., Plaß-Dülmer, C., Schmidt, M., Apadula, F., Arnold, S., Blanc, P.-E., Brunner, D., Chen, H., Chmura, L., Conil, S., Couret, C., Cristofanelli, P., Delmotte, M., Forster, G., Frumau, A., Gheusi, F., Hammer, S., Haszpra, L., Heliasz, M., Henne, S., Hoheisel, A., Kneuer, T., Laurila, T., Leskinen, A., Leuenberger, M., Levin, I., Lindauer, M., Lopez, M., Lunder, C., Mammarella, I., Manca, G., Manning, A., Marklund, P., Martin, D., Meinhardt, F., Müller-Williams, J., Necki, J., O'Doherty, S., Ottosson-Löfvenius, M., Philippon, C., Piacentino, S., Pitt, J., Ramonet, M., Rivas-Soriano, P., Scheeren, B., Schumacher, M., Sha, M.K., Spain, G., Steinbacher, M., Sørensen, L.L., Vermeulen, A., Vítková, G., Xueref-Remy, I., di Sarra, A., Conen, F., Kazan, V., Roulet, Y.-A., Biermann, T., Heltai, D., Hensen, A., Hermansen, O., Komínková, K., Laurent, O., Levula, J., Pichon, J.-M., Smith, P., Stanley, K., Trisolino, P., ICOS Carbon Portal, ICOS Atmosphere Thematic Centre, ICOS Flask And Calibration Laboratory, ICOS Central Radiocarbon Laboratory, 2023. European Obspack compilation of atmospheric carbon dioxide data from ICOS and non-ICOS European stations for the period 1972-2023; obspack_co2_466_GLOBALVIEWplus_v8.0_2023-04-26. https://doi.org/10.18160/CEC4-CAGK

This data package contains high accuracy CO2 dry air mole fractions from 39 ICOS European observatories at in total 95 observation levels, collected by the ICOS Atmosphere Thematic Centre (ATC) and provided by the station contributors. The package includes the 2025.1 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/10.18160/0HYS-FF7X . Please visit http://www.gml.noaa.gov/ccgg/obspack/ for more information on Obspack. European CO2 ObsPack, packaged by ICOS Carbon Portal ICOS RI, Bergamaschi, P., Colomb, A., De Mazière, M., Emmenegger, L., Kubistin, D., Lehner, I., Lehtinen, K., Leuenberger, M., Lund Myhre, C., Marek, M.V., O'Doherty, S., Platt, S.M., Plaß-Dülmer, C., Ramonet, M., di Sarra, A., Apadula, F., Arnold, S., Chen, H., Conil, S., Couret, C., Cristofanelli, P., Di Iorio, T., Forster, G., Frumau, A., Haszpra, L., Heliasz, M., Hoheisel, A., Kneuer, T., Larmanou, E., Laurila, T., Leskinen, A., Lindauer, M., Lopez, 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., Conen, F., Kazan, V., Roulet, Y.-A., Biermann, T., Delmotte, M., Heltai, D., Hensen, A., Hermansen, O., Komínková, K., Laurent, O., Levula, J., Montaguti, S., Pichon, J.-M., Schmidt, 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 carbon dioxide data from ICOS stations for the period 1972-2025; obspack_co2_466_GV_ICOSFT2025.1_20250120. https://doi.org/10.18160/0HYS-FF7X

Ceptometer raw data file used to calculate Green Area Index by the ICOS ETC (2018). Ceptometer measurements from Hohes Holz, 2018-08-16, ICOS RI, https://hdl.handle.net/11676/w9LcqeE57W3cf_eZtWNEfBBR

Data processed using QuinCe v17.0.0 Skjelvan, I. (2023). ICOS OTC SOOP Release from G.O. Sars, 2022-06-03–2022-06-08, ICOS RI, https://hdl.handle.net/11676/MDezp0NpSWbTVsJfhJxJTs4i

valid for QuinCe versions from 2.0.0 Data processed using QuinCe version v3.3.0 Ocean Thematic Centre (2020). ICOS OTC SOOP NRT Product from SailDrone 1030, 2019-10-17–2020-06-28, ICOS RI, https://hdl.handle.net/11676/UaaIFfWqPf3L4FXUN5aMz2XD

This data package contains high accuracy CH4 dry air mole fractions from 39 ICOS European observatories at in total 96 observation levels, collected by the ICOS Atmosphere Thematic Centre (ATC) and provided by the station contributors. The package is the 2024.3 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/XSBE-Q6R1. Please visit http://www.gml.noaa.gov/ccgg/obspack/ for more information on Obspack. European CH4 ObsPack, packaged by ICOS Carbon Portal ICOS RI, Bergamaschi, P., Colomb, A., De Mazière, M., Emmenegger, L., Kubistin, D., Lehner, I., Lehtinen, K., Leuenberger, M., Lund Myhre, C., Marek, M.V., O'Doherty, S., Platt, S.M., Plaß-Dülmer, C., Ramonet, M., di Sarra, A., Apadula, F., Arnold, S., Chen, H., Conil, S., Couret, C., Cristofanelli, P., Forster, G., Frumau, A., Haszpra, L., Hatakka, J., Heliasz, M., Hensen, A., Hoheisel, A., Kneuer, T., Larmanou, E., Laurila, T., Leskinen, A., Lindauer, M., Lunder, C., Mammarella, I., Manca, G., Manning, A., Meinhardt, F., Molnár, M., Mölder, M., Müller-Williams, J., Ottosson-Löfvenius, M., Pitt, J., Rivas-Soriano, P., Scheeren, B., Schumacher, M., Sha, M.K., Steinbacher, M., Sørensen, L.L., Vermeulen, A., Vítková, G., Conen, F., Kazan, V., Roulet, Y.-A., Biermann, T., Delmotte, M., Heltai, D., Hermansen, O., Komínková, K., Laurent, O., Levula, J., Lopez, M., Marklund, P., Pichon, J.-M., Schmidt, M., Sferlazzo, D., Smith, P., Stanley, K., Trisolino, P., Zazzeri, G., ICOS Carbon Portal, ICOS Atmosphere Thematic Centre, ICOS Flask And Calibration Laboratory, 2024. European Obspack compilation of atmospheric methane data from ICOS stations for the period 1984-2024; obspack_ch4_466_GV_ICOSFT2024.3_20241009. https://doi.org/10.18160/XSBE-Q6R1

Historic data from pre-ICOS time from some of the now-ICOS ocean platforms. A pilot project to ingest SOCAT data into Carbon Portal. Citation: Bellerby, Richard G J; Hoppema, Mario (2016): Underway physical oceanography and carbon dioxide measurements during POLARSTERN cruise ANT-XV/4. Bjerknes Centre for Climate Research, doi:10.1594/PANGAEA.849834 Bellerby, R.G.J., Hoppema, M., 2016. Underway physical oceanography and carbon dioxide measurements during POLARSTERN cruise ANT-XV/4. https://doi.org/10.1594/PANGAEA.849834

Data processed using QuinCe v20.0.2 Cantoni, C., Luchetta, A., Castelli, G., Fragiacomo, E. (2024). ICOS OTC FOS Release from PALOMA, 2023-06-08–2023-11-24, ICOS RI, https://hdl.handle.net/11676/hi55z0igaJfHi_Bg5jLB3rMZ

Download is disabled, please consult ICOS ATC and station PI for access (2017). ICOS ATC Los Gatos raw (uncalibrated) data csv time series from Křešín u Pacova, 2017-06-06, ICOS RI, https://hdl.handle.net/11676/y0yLtXFpdzEW7jfUKCz91eDP

Data processed using QuinCe v17.0.0 Olav Kristensen, T., Skjelvan, I. (2023). ICOS OTC SOOP Release from G.O. Sars, 2022-03-25–2022-04-19, ICOS RI, https://hdl.handle.net/11676/ymUHuyvuKo5VQCOCgjEoWxfO

Historic data from pre-ICOS time from some of the now-ICOS ocean platforms. A pilot project to ingest SOCAT data into Carbon Portal. Citation: Omar, Abdirahman M (2016): Underway physical oceanography and carbon dioxide measurements during Nuka Arctica cruise 26NA20140307. Bjerknes Centre for Climate Research, doi:10.1594/PANGAEA.865679 Omar, A.M., Olsen, A., Johannessen, T., 2016. Underway physical oceanography and carbon dioxide measurements during Nuka Arctica cruise 26NA20140307. https://doi.org/10.1594/PANGAEA.865679

can contain atmospheric composition data for any of a number of gases; the data can be a mole fraction, isotope ratio, or other related quantity Lehner, I., Molder, M. (2025). ICOS ATC/CAL Flask Release from Norunda (100.0 m), 2019-11-12–2025-03-25, ICOS RI, https://hdl.handle.net/11676/ucNwvcXBOZKbzwN3xaaaAgsc

Quality-controlled meteo data Ramonet, M., Lopez, M., Delmotte, M. (2025). ICOS ATC Meteo Release from Trainou (50.0 m), 2016-11-03–2025-03-31, ICOS RI, https://hdl.handle.net/11676/5DQm884d0BvY4rfqITExlC3m

Digital Hemispherical Picture in raw data format used to calculate Green Area Index by the ICOS ETC Zimmermann, S. (2017). Digital Hemispherical Pictures from Davos, 2017-10-05, ICOS RI, https://hdl.handle.net/11676/_ruYiTeWEyX3P0zjS8K6yuct

Ceptometer raw data file used to calculate Green Area Index by the ICOS ETC Cuntz, M., Joetzjer, E., Courtois, P., Naiken, A. (2025). Ceptometer measurements from Hesse, 2025-02-10, ICOS RI, https://hdl.handle.net/11676/H42AanxX_y_W14QfpkU7Yszx

Quality-controlled meteo data Lehner, I., Molder, M. (2025). ICOS ATC Meteo Release from Norunda (100.0 m), 2017-06-17–2025-03-31, ICOS RI, https://hdl.handle.net/11676/WjaOasB0eyPSsLuVvnPVI8me

Download is disabled, please consult ICOS ATC and station PI for access Rivas-Soriano, P. (2025). ICOS ATC Los Gatos raw (uncalibrated) data csv time series from Izaña, 2025-01-02–2025-01-03, ICOS RI, https://hdl.handle.net/11676/lm0ICjOqrW6PDfggbsw0FX1E

can contain atmospheric composition data for any of a number of gases; the data can be a mole fraction, isotope ratio, or other related quantity Larmanou, E., Smith, P., Marklund, P. (2025). ICOS ATC/CAL Flask Release from Svartberget (150.0 m), 2021-06-03–2025-01-03, ICOS RI, https://hdl.handle.net/11676/aPENUZKo0uJYWAXqcMCZ3wv_

Ceptometer raw data file used to calculate Green Area Index by the ICOS ETC Roland, M., Segers, J. (2017). Ceptometer measurements from Lochristi, 2017-07-27, ICOS RI, https://hdl.handle.net/11676/D8zDHpGUqcT5oflmdbVSy7W2