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SUMMARY:Modeling the deep ocean at high resolution: vortices\, tracer tran
 sport\, and mixing - Jonathan Gula\, Brest University
DTSTART:20260423T103000Z
DTEND:20260423T113000Z
UID:TALK246779@talks.cam.ac.uk
CONTACT:Catherine Pearson
DESCRIPTION:<p><span style="color: rgb(0\, 0\, 0)\;">Numerical modeling is
  a key tool for understanding deep ocean dynamics\, where observations rem
 ain sparse\, particularly at submesoscales (1–30 km). In this presentati
 on\, we use high-resolution basin-scale and regional simulations to invest
 igate how interactions between currents\, topography\, and mixing shape ab
 yssal circulation and tracer transport. We first examine the generation of
  long-lived submesoscale coherent vortices (SCVs)\, which transport tracer
 s and momentum isopycnally from boundary regions into the basin interior\,
  contributing to lateral exchange. We then investigate bottom boundary lay
 er dynamics\, focusing on buoyancy balance and the interplay between turbu
 lent mixing\, tidal forcing\, complex bathymetry\, and large-scale circula
 tion. This is done by analysing near-bottom dynamics across multiple times
 cales\, assessing their impact on the density budget\, and using passive t
 racer release experiments to study transport in both depth and density spa
 ce.</span></p>
LOCATION:Open Plan Area\, Institute for Energy and Environmental Flows\, M
 adingley Rise CB3 0EZ
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