Forcing Databases in Support of CMIP6

This page provides CMIP6 modellers with information and links to the IGAC/SPARC CCMI ozone database and nitrogen-deposition fields from pre-industrial time to the future (1850-2100). These databases are being produced specifically in support of CMIP6 using CCMI models with comprehensive stratosphere-troposphere chemistry and represent the official products the CMIP panel recommends to use for CMIP6 models that lack interactive chemistry.

Different parts of the databases will be accessible via the input4MIPs data server adhering to the CMIP6 timeline with deadlines indicated below. The different databases will get citable doi-numbers assigned, which users are asked to refer to in potential publications along with a reference to the dataset description paper:

Hegglin, M. I., D. Kinnison, D. Plummer, et al., Historical and future ozone database (1850-2100) in support of CMIP6, GMD, in preparation.

Before you download data, please register as user by sending an email to Michaela Hegglin. This is to ensure that we can contact you with new information and updates on the databases when they become available.

Information on ozone database

Control (pre-industrial) ozone database (1850)

Dataset now available via the input4MIPs data archive.

Latest Update 24/02/2016

Historical ozone database (1850-2014)

>> Ozone 1850-2014

Dataset now available via the input4MIPs data archive.

Latest Update 06/07/2016

Future ozone database (2015-2100)

>> Ozone 2015-2100

Dataset available by the autumn of 2017.

Latest Update 15/07/2017

Derived CCMI ozone dataset product: Total column ozone (TOZ) dataset (1850-2014)

>> TOZ 1850-2014

Dataset available by request.

Latest Update 15/07/2017

Information on nitrogen (N)-deposition database

Pre-historical N-deposition database (1850)

>> N-deposition 1850

Dataset now available via the input4MIPs data archive.

Latest Update 06/07/2016

Historical N-deposition database (1850-2014)

>> N-deposition 1850-2014

Dataset now available via the input4MIPs data archive.

Latest Update 06/07/2016

Future N-deposition databases (2015-2100)

>> N-deposition 2015-2100

Dataset available by the autumn of 2017.

Latest Update 15/07/2017

CCMI News

The 2023 CCMI Science Workshop is set for October 3 - 5th, 2023 in Toulouse, France, hosted by Météo-France. Details on abstract submission and registration can be found on the workshop website .
The workshop agenda and local information on getting to the Météo-France conference centre can be found on the Workshops page of the CCMI website.

Thanks to the continuing efforts of the participating modelling groups and people at CEDA, the CCMI-2022 Data Archive has continued to grow and there is now data from 10 models available for the refD1 simulation. To learn more about the set of experiments and how to gain access to the data archive visit CCMI-2022 . (October 2022)

To support the WMO/UNEP Scientific Assessment of Ozone Depletion a new set of chemistry climate model experiments is under way. The specifications for the historical hindcast experiment (the refD1 simulation covering 1960 - 2018) is currently available. Specifications of a limited number of scenarios is currently being finalized and written up. For more information have a look at CCMI-2022 . (January 2021)

The CCMI Special Issue, spanning the EGU journals ACP, AMT, ESSD and GMT, remains open for submissions until September 30, 2020.

An overview of our activities at the 2019 CCMI Science Workshop and Summer School, held in August 2019 on the campus of the Chinese University of Hong Kong (CUHK), can be found in the March 2020 issue of IGACnews - pages 8 through 11. A report on the workshop can also be found on pages 22 - 24 of the SPARC Newsletter from January 2020.