Earth System Dynamics
Earth System Dynamics
ESD
Articles | Volume 14, issue 5
Articles | Volume 14, issue 5
https://doi.org/10.5194/esd-14-1085-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/esd-14-1085-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 14, issue 5
Research article
 | 
25 Oct 2023
Research article |  | 25 Oct 2023

A quantitative assessment of air–sea heat flux trends from ERA5 since 1950 in the North Atlantic basin

Johannes Mayer, Leopold Haimberger, and Michael Mayer

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Short summary
This study investigates the temporal stability and reliability of winter-month trends of air–sea heat fluxes from ERA5 forecasts over the North Atlantic basin for the period 1950–2019. Driving forces of trends and the impact of modes of climate variability and analysis increments on air–sea heat fluxes are investigated. Finally, a new and independent estimate of the Atlantic Meridional Overturning Circulation weakening is provided and associated with a decrease in air–sea heat fluxes.
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