CO₂ _ RUN1042 _ surface - insitu _ ICOS _ data1

Data Policy

GAW Data Policy

"For Scientific purposes, access to these data is unlimited and provided without charge. By their use you accept that an offer of co-authorship will be made through personal contact with the data providers or owners whenever substantial use is made of their data. In all cases, an acknowledgement must be made to the data providers or owners and to the data centre when these data are used within a publication."

Version

2025-04-25-0002 (Last updated: 2025-06-23)

File

This data set is submitted by ICOS.

Gas Species	Station/Mobile	Organization	Type	Period	Filename	Size	Plot
CO₂	La Réunion	ICOS	hourly	2014-12-06 20:00:00 - 2024-07-28 23:00:00	co2_run1042_surface-insitu_162_9999-9999_hourly	(Text: 15.39MB ; NetCDF: 20.66MB )	png
CO₂	La Réunion	ICOS	daily	2014-12-06 00:00:00 - 2024-07-28 00:00:00	co2_run1042_surface-insitu_162_9999-9999_daily	(Text: 0.64MB ; NetCDF: 0.88MB )	png
CO₂	La Réunion	ICOS	monthly	2014-12-01 00:00:00 - 2024-07-01 00:00:00	co2_run1042_surface-insitu_162_9999-9999_monthly	(Text: 0.04MB ; NetCDF: 0.05MB )	png

Text NetCDF

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Organization

NO	162
Acronym	ICOS
Name	Integrated Carbon Observation System Research Infrastructure
Address 1	Erik Palménin aukio 1
Address 2	FI-00560 Helsinki
Address 3	FINLAND
Country/Territory	Multinational
Website	https://www.icos-cp.eu

Contact(s)

Last updated date	2025-04-25
Name	Martine De Mazière
Prefix
Email	martine.demaziere@aeronomie.be
Organization No	165
Organization acronym	OPAR
Organization name	Observatoire de Physique de l'Atmosphère de la Réunion
Organization country/territory	France
Address 1
Address 2
Address 3
Country/territory	France
Tel
Fax

Last updated date	2025-04-25
Name	Jean-Marc Metzger
Prefix
Email	jean-marc.metzger@univ-reunion.fr
Organization No	165
Organization acronym	OPAR
Organization name	Observatoire de Physique de l'Atmosphère de la Réunion
Organization country/territory	France
Address 1
Address 2
Address 3
Country/territory	France
Tel
Fax

Last updated date	2025-04-25
Name	Mahesh Kumar Sha
Prefix
Email	mahesh.sha@aeronomie.be
Organization No	165
Organization acronym	OPAR
Organization name	Observatoire de Physique de l'Atmosphère de la Réunion
Organization country/territory	France
Address 1
Address 2
Address 3
Country/territory	France
Tel
Fax

Last updated date	2025-04-25
Name	Michel Ramonet
Prefix	Dr.
Email	michel.ramonet@lsce.ipsl.fr
Organization No	45
Organization acronym	LSCE
Organization name	Laboratoire des Sciences du Climat et de l'Environnement
Organization country/territory	France
Address 1
Address 2
Address 3	LSCE - CEA Saclay - Orme des Merisiers - 91191 Gif-sur-Yvette, France
Country/territory	France
Tel	+33 (0)1 69 08 40 14
Fax	+33 (0)1 69 08 77 16

Last updated date	2025-04-25
Name	Edouard Blandin
Prefix
Email	edouard.blandin@lsce.ipsl.fr
Organization No	165
Organization acronym	OPAR
Organization name	Observatoire de Physique de l'Atmosphère de la Réunion
Organization country/territory	France
Address 1
Address 2
Address 3
Country/territory	France
Tel
Fax

Last updated date	2025-04-25
Name	Marc Delmotte
Prefix
Email	marc.delmotte@lsce.ipsl.fr
Organization No	165
Organization acronym	OPAR
Organization name	Observatoire de Physique de l'Atmosphère de la Réunion
Organization country/territory	France
Address 1
Address 2
Address 3
Country/territory	France
Tel
Fax

Last updated date	2025-04-25
Name	Léa Gest
Prefix
Email	lea.gest@lsce.ipsl.fr
Organization No	165
Organization acronym	OPAR
Organization name	Observatoire de Physique de l'Atmosphère de la Réunion
Organization country/territory	France
Address 1
Address 2
Address 3
Country/territory	France
Tel
Fax

Last updated date	2025-04-25
Name	Christian Hermans
Prefix
Email	christian.hermans@aeronomie.be
Organization No	165
Organization acronym	OPAR
Organization name	Observatoire de Physique de l'Atmosphère de la Réunion
Organization country/territory	France
Address 1
Address 2
Address 3
Country/territory	France
Tel
Fax

Last updated date	2025-04-25
Name	Nicolas Kumps
Prefix
Email	nicolas.kumps@aeronomie.be
Organization No	165
Organization acronym	OPAR
Organization name	Observatoire de Physique de l'Atmosphère de la Réunion
Organization country/territory	France
Address 1
Address 2
Address 3
Country/territory	France
Tel
Fax

Last updated date	2025-04-25
Name	Morgan Lopez
Prefix
Email	morgan.lopez@lsce.ipsl.fr
Organization No	165
Organization acronym	OPAR
Organization name	Observatoire de Physique de l'Atmosphère de la Réunion
Organization country/territory	France
Address 1
Address 2
Address 3
Country/territory	France
Tel
Fax

Collaborator(s)
Aim of Observation	Background observation
Data Time zone	UTC
Unit	ppm
Calibration Scale	9999-12-31 00:00:00 - 9999-12-31 23:59:59: WMO CO2 X2019
Instrument(s)
Intake Height above ground level	9999-12-31 00:00:00 - 9999-12-31 23:59:59: 6.0 (m)
Sampling Frequency	Unknown
Measurement Calibration	Measurement calibration at ICOS ATC is described in [Hazan et al., 2016], doi:10.5194/amt-9-4719-2016
Data Processing	Data processing at ICOS ATC is described in [Hazan et al., 2016], doi:10.5194/amt-9-4719-2016
Processing for averaging	[Hourly] Time-averaged values are reported at the start time of the averaging interval. The document 'ICOS Atmospheric Station specifications' (doi:10.18160/GK28-2188) provides more detailed explanations about the sampling frequency. [Daily] [Monthly]
Original Data Quality Flag	- Flag 'U' = data correct before manual quality control - Flag 'N' = data incorrect before manual quality control - Flag 'O' = data correct after manual quality control - Flag 'K' = data incorrect after manual quality control - Flag 'R' = data correct after manual quality control and backward propagation of manual quality control from hourly data to minutely and raw data - Flag 'H' = data incorrect after manual quality control and backward propagation of manual quality control from hourly data to minutely and raw data
Data Quality Flag (Valid/Invalid)	Valid (background): U Valid (background): O Valid (background): R Invalid: N Invalid: K Invalid: H
Observation Status	Operational/Reporting
Description	ICOS atmospheric station Observational timeseries of ambient mole fraction of CO2 in dry air, composed of (all whenever available) historical PI quality-checked data, ICOS Level 2 data and ICOS NRT data. PID: 11676/SHmCKgCYkppV7HgKSEjOvaZ2 Citation: 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., Rennick, C., Schmidt, M., Zähle, S., Apadula, F., Arnold, S., Blanc, P.-E., Brunner, D., Chen, H., Chmura, Ł., Chmura, L., Conil, S., Cristofanelli, P., Di Iorio enea, T., Forster, G., Frumau, A., Gerbig, C., Gheusi, F., Hammer, S., Haszpra, L., Hatakka, J., Heliasz, M., Hensen, A., Hoheisel, A., Kneuer, T., Larmanou, E., Laurila, T., Leskinen, A., Levin, I., Levula, J., Lindauer, M., Lopez, M., Lunder, C., Mammarella, I., Manca, G., Manning, A., Martin, D., Meinhardt, F., Molnár, M., Mölder, M., Müller-Williams, J., Noe, S.M., Nęcki, J., Ottosson-Löfvenius, M., Philippon, C., Piacentino, S., Pitt, J., Rivas-Soriano, P., Scheeren, B., Schumacher, M., Sha, M.K., Smith, P., Spain, G., Steinbacher, M., Sørensen, L.L., Vermeulen, A., Vítková, G., Xueref-Remy, I., Zaehle, S., di Sarra, A., Conen, F., Henne, S., Kazan, V., Roulet, Y.-A., Biermann, T., Delmotte, M., Heltai, D., Hermansen, O., Komínková, K., Laurent, O., Marklund, P., Morguí, J.-A., Pichon, J.-M., Sferlazzo, D., 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, 2024. European Obspack compilation of atmospheric carbon dioxide data from ICOS and non-ICOS European stations for the period 1972-2024; obspack_co2_466_GVeu_v10.0_20240729. https://doi.org/10.18160/X450-GTAY DATA POLICY: ICOS data is licensed under a Creative Commons Attribution 4.0 international licence (https://creativecommons.org/licenses/by/4.0/). ICOS data licence is described at https://data.icos-cp.eu/licence.
Meteorological Data Availability (1: Available)	Wind direction: Wind speed: Relative humidity: Precipitation amount: Air pressure: Air temperature: Dew point temperature: Sea water temperature: Sea surface water temperature: Sea water salinity: Sea surface water salinity:
Meteorological Data Description	Meteorological data may remain as first provided, even when greenhouse gas data are updated.

DOI Metadata

DOI

co2_run1042_surface-insitu_162_9999-9999_hourly.nc	10.18160/X450-GTAY
co2_run1042_surface-insitu_162_9999-9999_hourly.txt	10.18160/X450-GTAY
co2_run1042_surface-insitu_162_9999-9999_daily.nc	10.18160/X450-GTAY
co2_run1042_surface-insitu_162_9999-9999_daily.txt	10.18160/X450-GTAY
co2_run1042_surface-insitu_162_9999-9999_monthly.nc	10.18160/X450-GTAY
co2_run1042_surface-insitu_162_9999-9999_monthly.txt	10.18160/X450-GTAY

For more information, please refer: doi.org/10.18160/X450-GTAY

Related information

Format

Text (WDCGG Data Format Table, WDCGG Meteorological Data Format Table), NetCDF

Relation List (Is Part Of)

Geolocation Point

Latitude (north: +; south: -)	-21.0796
Longitude (east: +; west: -)	55.3841

GAW Data Policy

Citation format

This format is an example of the WDCGG standard citation.
Please follow the citation format which the data providers or owners indicate.

Martine De Mazière (OPAR), Jean-Marc Metzger (OPAR), Mahesh Kumar Sha (OPAR), Michel Ramonet (LSCE), Edouard Blandin (OPAR), Marc Delmotte (OPAR), Léa Gest (OPAR), Christian Hermans (OPAR), Nicolas Kumps (OPAR), Morgan Lopez (OPAR), Atmospheric CO₂ at La Réunion by Integrated Carbon Observation System Research Infrastructure , dataset published as CO₂_RUN1042_ surface-insitu_ICOS_data1 at WDCGG, ver. 2025-04-25-0002 (Reference date^*: YYYY/MM/DD)

* As the reference date, please indicate the date you downloaded the files.

Reference(s)

1	Hazan, L., Tarniewicz, J., Ramonet, M., Laurent, O., and Abbaris, A.: Automatic processing of atmospheric CO2 and CH4 mole fractions at the ICOS Atmosphere Thematic Centre, Atmos. Meas. Tech., 9, 4719-4736, doi:10.5194/amt-9-4719-2016, 2016.

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