Journal
GEOPHYSICAL RESEARCH LETTERS
Volume 46, Issue 4, Pages 2167-2177Publisher
AMER GEOPHYSICAL UNION
DOI: 10.1029/2018GL081387
Keywords
Red Sea; eddy; transport; air-sea flux; negative feedback
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Funding
- King Abdullah University of Science and Technology (KAUST)
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Mesoscale eddies are a dominant feature of the Red Sea circulation, yet their three-dimensional characteristics remain largely unexplored. This hinders our understanding about eddy-induced transport in the basin. This study analyzes 14-year outputs from a high-resolution eddy-resolving model to investigate the three-dimensional signature of the Red Sea eddies, their contribution to the air-sea flux, and the eddy-induced transport of heat and salt. Eddies are mostly active and energetic in the central and northern Red Sea. Their variability explains similar to 8% of the total variance in the surface heat flux and, particularly, similar to 39% in the salt flux. The asymmetric eddy structure and meridional gradient drive significant transport of heat and salt across the basin. A negative feedback mechanism is identified that relates the eddy intensity and the meridional steepness of the mixed layer depth in the basin.
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