Articles | Volume 23, issue 12
https://doi.org/10.5194/bg-23-4271-2026
https://doi.org/10.5194/bg-23-4271-2026
Research article
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29 Jun 2026
Research article | Highlight paper |  | 29 Jun 2026

Air–Sea Interactions and Biogeochemical Responses to Medicane Daniel

Babita Jangir and Ehud Strobach

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Cited articles

Ali, M. M., Jagadeesh, P. S. V., and Jain, S.: Effects of eddies on Bay of Bengal cyclone intensity, Eos Trans. AGU, 88, 93–95, https://doi.org/10.1029/2007EO080001, 2007. 
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Editorial statement
This study provides a rare and timely observational analysis of Medicane Daniel, one of the most devastating storms in Mediterranean history, integrating both physical and biogeochemical responses of the upper ocean to extreme atmospheric forcing. By combining high-resolution SWOT observations with satellite and reanalysis data, the authors demonstrate how pre-existing ocean conditions—including warm-core eddies, elevated ocean heat content, and a marine heatwave—contributed to storm intensification and shaped the magnitude and persistence of ocean mixing, nutrient supply, and biological productivity responses. The results provide an important benchmark for understanding and modeling compound ocean–atmosphere extremes, which are expected to become more frequent in a warming climate.
Short summary
This study examines Medicane Daniel, showing how a warm-core eddy (WCE), high ocean heat content (OHC), and a marine heatwave (MHW) sustained its intensity near Libya. Using high-resolution Surface Water and Ocean Topography (SWOT) observations, we reveal fine-scale eddy dynamics and larger WCE structures than those captured by conventional datasets, highlighting their role in air–sea interactions. Enhanced moisture convergence supported storm intensification, while storm-induced mixing and upwelling increased chlorophyll, nutrient, and oxygen concentrations. 
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