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Data update

The latest version of atmospheric trace gas data from the CONTRAIL is released.

Data Update

2025年10月03日

Data update

The latest version of atmospheric trace gas data from the CONTRAIL is released.

Data Update

2025年08月22日

Data update

The atmospheric CO2 and CH4 mixing ratio data observed at the Hateruma and Ochiishi stations are updated with the latest data up to March 2025.

Continuous Observational Data of Atmospheric CO2 Mixing Ratios on Hateruma Island
Continuous Observational Data of Atmospheric CO2 Mixing Ratios at Cape Ochi-ishi
Continuous Observational Data of Atmospheric CH4 Mixing Ratios on Hateruma Island
Continuous Observational Data of Atmospheric CH4 Mixing Ratios at Cape Ochi-ishi

Data Update

2025年08月06日

Data update

The latest version of the NIES-ML3 product of surface ocean CO2 data is released.

NIES-ML3 ensemble product of surface ocean CO2 concentrations and air-sea CO2 fluxes reconstructed by using three machine learning models with new CO2 trends

Data Update

2025年07月31日

Analysis Tools

"Analysis Tools" provides online tools that are helpful for users to make their own analyses.

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Trend Analysis

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Links

"Links" lists the data and results of NIES research projects, especially conducted by CGER, in a wide range of fields grouped into different research themes.

Monitoring of Greenhouse Gases

Monitoring of Greenhouse Gases

Carbon Sinks and Sources

Carbon Sinks and Sources

Impact Assessment and Countermeasures

Impact Assessment and Counter Measures

Stratospheric Ozone, Ultraviolet Radiation

Stratospheric Ozone, Ultraviolet Radiation

Atmospheric Pollution, Acid Rain

Atmospheric Pollution, Acid Rain

Water Environment

Water Environment

Biology, Ecosystems

Biology, Ecosystems