Data Download

CONTRAIL data download

Data listed below are available with digital objective identifiers (DOIs) from the Global Environmental Database of NIES. Please carefully read the Terms and Condition of Use in the following links before downloading data.

Dataset Name Instrument Species Data Period
(Last Update)
Link
The most recent year CME data (QA/QC in progress) CME CO2 1 Jan 2025–1 Jun 2025
(3 Oct 2025)
doi:10.17595/20210827.001
Regular CME data CME CO2 5 Nov 2005–31 Dec 2024
(22 Aug 2025)
doi:10.17595/20180208.001
The most recent year atmospheric trace gas data from the CONTRAIL flask air sampling (ASE/MSE data) ASE/MSE CO2, CH4 & SF6 21 Jan 2025–20 Aug 2025
(3 Oct 2025)
doi:10.17595/20230725.002
Atmospheric trace gas data (ASE/MSE data) ASE/MSE CO2, CH4 & SF6 23 Apr 1993–12 Dec 2024
(22 Aug 2025)
doi:10.17595/20230725.001

For other non-DOI data: If you want to use CONTRAIL data for your research, please contact to the PIs (contrail_pi(at)nies.go.jp) by e-mail with your name, affiliation/institute, mail address, and a brief description of your research project as well as the data you request (period, area, vertical or horizontal, etc.). Once your request is accepted by the PIs, they will provide you access to the datasets for your research.

CONTRAIL PIs (contrail_pi(at)nies.go.jp):
Tohinobu Machida (NIES)
Yousuke Sawa (MRI)
Yosuke Niwa (NIES)
Kentaro Ishijima (MRI)

References

CONTRAIL General

CME

ASE