News

A dataset is released.

• In situ ship and aircraft observation-based column-averaged mixing ratios of CO₂ (obs. XCO₂) over the Western Pacific Ocean, DOI:10.17595/20220805.001

A dataset is released.

• Atmospheric trace gas data from the CONTRAIL flask air sampling over the Pacific Ocean (the most recent data), DOI:10.17595/20220722.001

We have renewed our website.

• This site was renewed to be more user friendly by improving the overall site design and menu, as well as adding explanations to the Analysis Tools.
  In addition, a search function of the Dataset List and the Analysis Tools are improved, and new parameters are added to the Real-Time Data.

The latest version (Ver.1.1) of the following dataset is released.

• Bias corrected climate scenarios over Japan based on CDFDM method using CMIP6, DOI:10.17595/20210501.001

The latest version (ver.2022.1) of the following dataset is released.

• Data based estimate of global ocean CO₂ flux, DOI:10.17595/20210806.001

The latest version (ver.2022.1.0) of the following datasets are released.

• Atmospheric CO₂ mole fraction data of CONTRAIL-CME, DOI:10.17595/20180208.001
• Atmospheric CO₂ mole fraction data of CONTRAIL-CME (most recent data), DOI:10.17595/20210827.001
• Atmospheric trace gas data from the CONTRAIL flask air sampling over the Eurasian continent, DOI:10.17595/20190828.002

The latest version (ver.2022.2) of the following dataset 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, DOI:10.17595/20220311.001

The latest version (ver.2022.1) of the following dataset 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, DOI:10.17595/20220311.001

A dataset is released.

• Bias corrected climate scenarios over Japan based on NHRCM02 using monthly CDFDM, DOI:10.17595/20220415.001

The latest version (ver.2021-1.1) of the following dataset is released.

• Observational Data of Atmospheric O₃ Mixing Ratios at Mt. Happo Observatory, DOI:10.17595/20210709.001

A dataset 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, DOI:10.17595/20220311.001

Datasets are released.

• Atmospheric Carbon Dioxide Dry Air Mole Fraction at Nainital, India, DOI:10.17595/20220301.001
• Atmospheric Carbon Dioxide Dry Air Mole Fraction at Comilla, Bangladesh, DOI:10.17595/20220301.002
• Atmospheric Methane Dry Air Mole Fraction at Nainital, India, DOI:10.17595/20220301.003
• Atmospheric Methane Dry Air Mole Fraction at Comilla, Bangladesh, DOI:10.17595/20220301.004
• Atmospheric Carbon Monoxide Dry Air Mole Fraction at Nainital, India, DOI:10.17595/20220301.005
• Atmospheric Carbon Monoxide Dry Air Mole Fraction at Comilla, Bangladesh, DOI:10.17595/20220301.006
• Atmospheric Molecular Hydrogen Dry Air Mole Fraction at Nainital, India, DOI:10.17595/20220301.007
• Atmospheric Molecular Hydrogen Dry Air Mole Fraction at Comilla, Bangladesh, DOI:10.17595/20220301.008
• Atmospheric Nitrous Oxide Dry Air Mole Fraction at Nainital, India, DOI:10.17595/20220301.009
• Atmospheric Nitrous Oxide Dry Air Mole Fraction at Comilla, Bangladesh, DOI:10.17595/20220301.010
• Atmospheric Sulfur Hexafluoride Dry Air Mole Fraction at Nainital, India, DOI:10.17595/20220301.011
• Atmospheric Sulfur Hexafluoride Dry Air Mole Fraction at Comilla, Bangladesh, DOI:10.17595/20220301.012
• Carbon Isotopic Ratio (C13/C12) of Carbon Dioxide at Nainital, India, DOI:10.17595/20220301.013
• Carbon Isotopic Ratio (C13/C12) of Carbon Dioxide at Comilla, Bangladesh, DOI:10.17595/20220301.014
• Oxygen Isotopic Ratio (O18/O16) of Carbon Dioxide at Nainital, India, DOI:10.17595/20220301.015
• Oxygen Isotopic Ratio (O18/O16) of Carbon Dioxide at Comillal, Bangladesh, DOI:10.17595/20220301.016

The latest version (ver.2021.1) of the following dataset is released.

• Long-term global CO₂ fluxes estimated by NICAM-based Inverse Simulation for Monitoring CO₂ (NISMON-CO₂), DOI:10.17595/20201127.001

Datasets are up to September 2021 of the following datasets are released.

• Continuous Observational Data of Atmospheric CO₂ Mixing Ratios on Hateruma Island, DOI:10.17595/20160901.001
• Continuous Observational Data of Atmospheric CH₄ Mixing Ratios on Hateruma Island, DOI:10.17595/20160901.003

The footprint analysis at Hateruma station is extended to August 2020.

Datasets are released.

• Atmospheric CO₂ mole fraction data of CONTRAIL-CME (most recent data), DOI:10.17595/20210827.001
• Atmospheric trace gas data from the CONTRAIL flask air sampling over the Eurasian continent (most recent data), DOI:10.17595/20210827.002

Datasets are released.

• Data based estimate of global ocean CO₂ flux, DOI:10.17595/20210806.001
• 100-member ensemble simulation output from NIES Chemistry-Climate Models to investigate the effect of unregulated HFC increase on the ozone layer, DOI:10.17595/20210806.002

A dataset is released.

• Micrometeorological CO₂ Flux Data at Fuji Hokuroku Flux Research Site (FHK), DOI:10.17595/20210730.001

A dataset is released.

• Observational Data of Atmospheric O₃ Mixing Ratios at Mt. Happo Observatory, DOI:10.17595/20210709.001

The latest version (ver.2021.1.0) of the following datasets is released.

• Atmospheric CO₂ mole fraction data by aircraft (CONTRAIL-CME), DOI:10.17595/20180208.001
• Atmospheric trace gas data from the CONTRAIL flask air sampling over the Pacific Ocean, DOI:10.17595/20190828.001
• Atmospheric trace gas data from the CONTRAIL flask air sampling over the Eurasian continent, DOI:10.17595/20190828.002

The latest version (ODIAC2020b) of the following dataset is released.

• ODIAC Fossil Fuel CO₂ Emissions Dataset, DOI:10.17595/20170411.001

A dataset is released.

• Micrometeorological CO₂ Flux Data at Tomakomai Flux Research Site (TMK), DOI:10.17595/20210611.001

A dataset is released.

• Output data of greenhouse gas budget and carbon cycle simulated by the VISIT terrestrial ecosystem model, DOI:10.17595/20210521.001

The latest version (Ver.202005) of the following dataset is released.

• Bias corrected climate scenarios over Japan based on CDFDM method using CMIP5, DOI:10.17595/20200415.001

Datasets are released.

• Atmospheric CO₂ mole fraction data observed at Yoyogi, Tokyo by NIES, DOI:10.17595/20210510.001
• Atmospheric CO mole fraction data observed at Yoyogi, Tokyo, DOI:10.17595/20210510.002
• Atmospheric CO₂ mole fraction data observed at Yoyogi, Tokyo by AIST, DOI:10.17595/20210510.003
• Atmospheric O₂ mole fraction data observed at Yoyogi, Tokyo, DOI:10.17595/20210510.004
• Atmospheric CO₂ flux data observed at Yoyogi, Tokyo, DOI:10.17595/20210510.005

A dataset is released.

• Bias corrected climate scenarios over Japan based on CDFDM method using CMIP6, DOI:10.17595/20210501.001

A dataset is released.

• Fossil-fuel CO₂ emission estimates at 1x1 km in Tokyo, DOI:10.17595/20210129.001

The latest version (ODIAC2020) of the following dataset is released.

• ODIAC Fossil Fuel CO₂ Emissions Dataset, DOI:10.17595/20170411.001

A dataset is released.

• Long-term global CO₂ fluxes estimated by NICAM-based Inverse Simulation for Monitoring CO₂ (NISMON-CO₂), DOI:10.17595/20201127.001

A dataset is released.

• Global surface ocean CO₂ concentration and uptake estimated using a neural network, DOI:10.17595/20201020.001

Datasets are up to April 2020 of the following datasets are released.

• Continuous Observational Data of Atmospheric CO₂ Mixing Ratios on Hateruma Island, DOI:10.17595/20160901.001
• Continuous Observational Data of Atmospheric CH₄ Mixing Ratios on Hateruma Island, DOI:10.17595/20160901.003

The latest version (ver.2020.1.0) of the datasets is released.

• Atmospheric CO₂ mole fraction data by aircraft (CONTRAIL-CME), DOI:10.17595/20180208.001
• Atmospheric trace gas data from the CONTRAIL flask air sampling over the Eurasian continent, DOI:10.17595/20190828.002

A dataset is released.

• Bias corrected climate scenarios over Japan based on CDFDM method using CMIP5, DOI:10.17595/20200415.001

A dataset is released.

• A Data-driven Upscale Product of Global Gross Primary Production, Net Ecosystem Exchange and Ecosystem Respiration, DOI:10.17595/20200227.001

The latest version (ODIAC2019) of the following dataset is released.

• ODIAC Fossil Fuel CO₂ Emissions Dataset, DOI:10.17595/20170411.001

The latest version (Ver.1.1) of the following dataset is released.

• Daily Observational Data of Atmospheric CO₂ Mixing Ratios at the Summit of Mt. Fuji, DOI:10.17595/20170616.001

Datasets are released.

• Atmospheric Profiles and Total Columns of O₃, HNO₃, and HCl Measured by Fourier Transform Infrared Spectrometer (FTIR) at Antarctic Syowa Station in 2007, DOI:10.17595/20190911.001
• Atmospheric Profiles and Total Columns of O₃, HNO₃, and HCl Measured by Fourier Transform Infrared Spectrometer (FTIR) at Antarctic Syowa Station in 2011, DOI:10.17595/20190911.002

Datasets are released.

• Atmospheric trace gas data from the CONTRAIL flask air sampling over the Pacific Ocean, DOI:10.17595/20190828.001
• Atmospheric trace gas data from the CONTRAIL flask air sampling over the Eurasian continent, DOI:10.17595/20190828.002

Recent data of "Monitoring of Greenhouse Gases by Tower over Siberia" are released from the Dataset List.

The latest version (ver.2019.1.0) of the following dataset is released.

• Atmospheric CO₂ mole fraction data by aircraft (CONTRAIL-CME), DOI:10.17595/20180208.001

The latest version (ODIAC2018) of the following dataset is released.

• ODIAC Fossil Fuel CO₂ Emissions Dataset, DOI:10.17595/20170411.001

Datasets are released.

• Improved Limb Atmospheric Spectrometer (ILAS), Version 6.1, DOI:10.17595/20180628.001
• Improved Limb Atmospheric Spectrometer (ILAS), Version 8.0, DOI:10.17595/20180628.002
• Improved Limb Atmospheric Spectrometer-II (ILAS-II), Version 2, DOI:10.17595/20180628.003
• Improved Limb Atmospheric Spectrometer-II (ILAS-II), Version 3.0, DOI:10.17595/20180628.004

A new website "Asia-Pacific Monitoring Sites" is open.

A dataset is released.

• Atmospheric CO₂ mole fraction data by aircraft (CONTRAIL-CME), DOI:10.17595/20180208.001

A dataset is released.

• Daily observational data of atmospheric CO₂ mixing ratios at the summit of Mt. Fuji, DOI:10.17595/20170616.001

DOI has been minted for the following dataset on the website "ODIAC Fossil Fuel Emission Dataset".

• ODIAC Fossil Fuel CO₂ Emissions Dataset, DOI:10.17595/20170411.001

The website "Information on Vitamin D Synthesis / Erythemal UV" is updated.
5 monitoring stations are added, i.e., Sapporo (Hokkaido), Yokohama (Kanagawa), Nagoya (Aichi), Ootsu (Shiga), and Miyazaki (Miyazaki).

DOIs have been minted for the following datasets in the Dataset List.

• Continuous Observational Data of Atmospheric N₂O Mixing Ratios on Hateruma Island, DOI:10.17595/20170113.001
• Continuous Observational Data of Atmospheric N₂O Mixing Ratios at Cape Ochiishi, DOI:10.17595/20170113.002

DOIs* have been minted for the following datasets in the Dataset List.

• Continuous Observational Data of Atmospheric CO₂ Mixing Ratios on Hateruma Island, DOI:10.17595/20160901.001
• Continuous Observational Data of Atmospheric CO₂ Mixing Ratios at Cape Ochiishi, DOI:10.17595/20160901.002
• Continuous Observational Data of Atmospheric CH₄ Mixing Ratios on Hateruma Island, DOI:10.17595/20160901.003
• Continuous Observational Data of Atmospheric CH₄ Mixing Ratios at Cape Ochiishi, DOI:10.17595/20160901.004

(*) DOI (Digital Object Identifier):
A digital object identifier DOI is used to permanently identify an object such as an electronic document. The DOI provides more stable linking than a URL, because if the document's URL changes, the DOI metadata are updated to link to the new URL.
NIES is able to mint DOIs via JaLC of which we became a member since 2016.

A new website "LUIS (Land Use Information System) Web" is open. It displays the historical changes in land use in Japan between 1850-1985 (in Japanese).

The GED user registration system has been updated with new functions (resetting of password, updating of user information, and unregistering).

The website "Monitoring of Global Warming Effects (Alpine Zone-Central Japan, Hokkaido)" has been renewed (in Japanese).

A new website "ODIAC Fossil Fuel Emission Dataset" is open.

A new website "Information on Vitamin D Synthesis / Erythemal UV" is open. It provides real time data at five Japanese sites.

A new database "GED" (Global Environmental Database) is released. The portal site of databases, GED and "GGTU" (Greenhouse Gases Trend Update) has been integrated for user's convinience.

The potal site of global environmental databases is repaired. New features such as data search has been added.