Now Loading...

 What's new

 About WDCGG

 Introduction

 Activities

 History

 About GAW

 Manuals

 Contributor / User Manuals

 Glossary

 Metadata List

 Statistics

 Data (surface/mobile)

 Data Search

 Data Update Information

 Data (satellite)


 Current State of GHGs

 Publications

 WDCGG Guide

 WMO WDCGG Data Summary

 WMO GHG Bulletin

 Legacy

 Login

 User

 Contributor

 Registration

 User

 Contributor

 Policy

 GAW Data Policy

 WDCGG Privacy Policy

 WDCGG DOI Policy

 Link

 FAQ

Login to WDCGG as

 Data

Have you completed registration?
Certain datasets require login for data download.

 Metadata

Version 2025-09-10_07-55-47 (Data Version History)
Title All CH3D data contributed to WDCGG by GAW stations and mobiles by 2025-09-10
Creator National Physical Laboratory,
Tohoku University,

Chris Rennick (NPL), Dafina Kikaj (NPL), Edward Chung (NPL), Emmal Safi (NPL), Ryo Fujita (MRI), Shinji Morimoto (TU), Taku Umezawa (NIES),
Publisher World Data Centre for Greenhouse Gases
Publication Date 2018-06-18
Format Text (WDCGG Data Format Table, WDCGG Meteorological Data Format Table, WDCGG tgz data Header Format Table), NetCDF

 CH3D all dataset (the latest version)

GAW ID WDCGG ID WIGOS ID Station/Mobile
* : Mobile		 Country/territory Contributor Platform Sampling
Type		 Buffer DOI
(* DOIs and file names issued by WDCGG may have multiple versions. Be sure to check the data version.)		 Version on the WDCGG website Updated Date Details
HFD HFD6419 0-20008-0-HFD Heathfield United Kingdom of Great Britain and Northern Ireland NPL surface insitu data1 10.50849/WDCGG_0154-6419-1104-01-01-9999
 2025-08-01-1511 2025-09-10 click
SYO SYO7006 0-20008-0-SYO Syowa Japan TU surface flask data1
2025-01-01-0110 2024-12-25 click
EOM8007 CONTRAIL* Japan TU aircraft flask data1
2025-01-01-0110 2024-12-25 click
NYA NYA6066 0-20008-0-NYA Ny Ålesund Norway TU surface flask data1
2025-01-01-0110 2024-12-25 click
NWP8036 Northern and western Pacific* Japan TU ship flask data1
2025-01-01-0110 2024-12-25 click

 GAW Data Policy

"For Scientific purposes, access to these data is unlimited and provided without charge. By their use you accept that an offer of co-authorship will be made through personal contact with the data providers or owners whenever substantial use is made of their data. In all cases, an acknowledgement must be made to the data providers or owners and to the data centre when these data are used within a publication."

 Citation format

National Physical Laboratory, Tohoku University,

Chris Rennick (NPL), Dafina Kikaj (NPL), Edward Chung (NPL), Emmal Safi (NPL), Ryo Fujita (MRI), Shinji Morimoto (TU), Taku Umezawa (NIES), WDCGG; All CH3D data contributed to WDCGG by GAW stations and mobiles by 2025-09-10, (Reference date*: YYYY/MM/DD)

* As the reference date, please indicate the date you downloaded the files.