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Technical note: The CAMS greenhouse gas reanalysis from 2003 to 2020.

Authors :
Agustí-Panareda, Anna
Barré, Jérôme
Massart, Sébastien
Inness, Antje
Aben, Ilse
Ades, Melanie
Baier, Bianca C.
Balsamo, Gianpaolo
Borsdorff, Tobias
Bousserez, Nicolas
Boussetta, Souhail
Buchwitz, Michael
Cantarello, Luca
Crevoisier, Cyril
Engelen, Richard
Eskes, Henk
Flemming, Johannes
Garrigues, Sébastien
Hasekamp, Otto
Huijnen, Vincent
Source :
Atmospheric Chemistry & Physics; 2023, Vol. 23 Issue 6, p3829-3859, 31p
Publication Year :
2023

Abstract

The Copernicus Atmosphere Monitoring Service (CAMS) has recently produced a greenhouse gas reanalysis (version egg4) that covers almost 2 decades from 2003 to 2020 and which will be extended in the future. This reanalysis dataset includes carbon dioxide (CO 2) and methane (CH 4). The reanalysis procedure combines model data with satellite data into a globally complete and consistent dataset using the European Centre for Medium-Range Weather Forecasts' Integrated Forecasting System (IFS). This dataset has been carefully evaluated against independent observations to ensure validity and to point out deficiencies to the user. The greenhouse gas reanalysis can be used to examine the impact of atmospheric greenhouse gas concentrations on climate change (such as global and regional climate radiative forcing), assess intercontinental transport, and serve as boundary conditions for regional simulations, among other applications and scientific uses. The caveats associated with changes in assimilated observations and fixed underlying emissions are highlighted, as is their impact on the estimation of trends and annual growth rates of these long-lived greenhouse gases. [ABSTRACT FROM AUTHOR]

Details

Language :
English
ISSN :
16807316
Volume :
23
Issue :
6
Database :
Complementary Index
Journal :
Atmospheric Chemistry & Physics
Publication Type :
Academic Journal
Accession number :
162940692
Full Text :
https://doi.org/10.5194/acp-23-3829-2023