Articles | Volume 19, issue 4
https://doi.org/10.5194/os-19-1083-2023
https://doi.org/10.5194/os-19-1083-2023
Research article
 | 
18 Jul 2023
Research article |  | 18 Jul 2023

The Weddell Gyre heat budget associated with the Warm Deep Water circulation derived from Argo floats

Krissy Anne Reeve, Torsten Kanzow, Olaf Boebel, Myriel Vredenborg, Volker Strass, and Rüdiger Gerdes

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Short summary
The Weddell Gyre is key for bottom water formation. Prior studies show warming of the whole water column, except for the gyre’s heat source, Warm Deep Water (WDW). We use Argo floats to estimate a heat budget within WDW. Heat advects into the southern limb and upwards from below throughout. Turbulent diffusion removes heat through the top and transports heat from the southern limb into the interior and southwards towards Antarctica. Turbulent diffusion imports heat across the northern boundary.