Atmospheric composition time series result from GV4 Cachan (CAC) (60.0 m)

Name: Atmospheric composition time series result from GV4 Cachan (CAC) (60.0 m), 2023-01-01–2025-12-04
Published: 2026-01-08
License: http://meta.icos-cp.eu/ontologies/cpmeta/icosLicence

Download

2023-01-01–2025-12-04

PID

11676/2mAjB39lOOlRgLqcvcDplRQ4 (link)

Description

Generic gas and related tracers observational time series in ATC format

Comment

NOTE: The data have been despiked following the method described in A. El Yazidi et al. (2018), Identification of spikes associated with local sources in continuous time series of atmospheric CO, CO2 and CH4, Atmos. Meas. Tech., 11, 1599–1614, https://doi.org/10.5194/amt-11-1599-2018.

Data affiliation

ICOS Cities

Part of

ICOS Cities 2026-1 release of mid-cost CO2 data from the Paris network for the years 2023-2025

Citation

Laurent, O., Utard, H., Chariot, M., Briffoteaux, G. (2026). Atmospheric composition time series result from GV4 Cachan (CAC) (60.0 m), 2023-01-01–2025-12-04, ICOS Cities, https://hdl.handle.net/11676/2mAjB39lOOlRgLqcvcDplRQ4

BibTex

@misc{https://hdl.handle.net/11676/2mAjB39lOOlRgLqcvcDplRQ4,
  author={Laurent, Olivier and Utard, Hervé and Chariot, Mali and Briffoteaux, Guillaume},
  title={Atmospheric composition time series result from GV4 Cachan (CAC) (60.0 m), 2023-01-01–2025-12-04},
  year={2026},
  keywords={Paris, WMO-CO2-X2019},
  url={https://hdl.handle.net/11676/2mAjB39lOOlRgLqcvcDplRQ4},
  publisher={Carbon Portal},
  copyright={http://meta.icos-cp.eu/ontologies/cpmeta/icosLicence},
  pid={11676/2mAjB39lOOlRgLqcvcDplRQ4}
}

RIS

TY - DATA
T1 - Atmospheric composition time series result from GV4 Cachan (CAC) (60.0 m), 2023-01-01–2025-12-04
ID - 11676/2mAjB39lOOlRgLqcvcDplRQ4
PY - 2026
UR - https://hdl.handle.net/11676/2mAjB39lOOlRgLqcvcDplRQ4
PB - Carbon Portal
AU - Laurent, Olivier
AU - Utard, Hervé
AU - Chariot, Mali
AU - Briffoteaux, Guillaume
KW - Paris
KW - WMO-CO2-X2019
ER -

File name

CAC_2023-01-01_2025-12-04_spike_filtering_co2.zip

Zip contents

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File size

436 KB (446337 bytes)

Number of data rows

25656

Data type

Atmospheric composition time series result

Data level

Licence

ICOS CCBY4 Data Licence

Acquisition

Station

GV4 Cachan (CAC)

Start time (UTC)

2023-01-01 00:30:00

Stop time (UTC)

2025-12-04 23:30:00

Sampling height

60.0

Production

File made by

Olivier Laurent

Host organization

Origins Earth

Production time (UTC)

2026-01-06 12:00:00

Contributors

Olivier Laurent, Hervé Utard, Mali Chariot, Guillaume Briffoteaux

Previewable variables

Name	Value type	Unit	Quantity kind	Preview
TIMESTAMP	time instant, UTC
co2	CO2 (dry air mole fraction)	µmol mol-1	portion	Preview
NbPoints	number of points		cardinal number	Preview
Flag	quality flag
Stdev	standard deviation of gas mole fraction	a.u.	portion	Preview