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Data update

The atmospheric CH₄ mixing ratio data observed at the Hateruma and Ochiishi stations are updated with the latest data up to March 2024.

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

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

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

Data update

The year 2023 version of “ODIAC fossil fuel CO2 emission dataset” (ODIAC2023) is released.

ODIAC Fossil Fuel CO₂ Emissions Dataset

Analysis Tools

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

About Analysis Tools

Quickplot

Quick Plot

Trend Analysis

Trend Analysis

Tajectory

Trajectory

Footprint

Footprint

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

Supply Chain

Water Environment

Water Environment

Biology, Ecosystems

Biology, Ecosystems