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SUMMARY:AMOC – scratch the ‘surface’ and get to the ‘bottom’ - S
 henjie Zhou\, British Antarctic Survey
DTSTART:20230306T130000Z
DTEND:20230306T140000Z
UID:TALK196063@talks.cam.ac.uk
CONTACT:Prof. John R. Taylor
DESCRIPTION:The Atlantic Meridional Overturning Circulation\, known as ‘
 AMOC’ is a key regulator of global climate through its voluminous heat a
 nd freshwater redistribution over a near-planetary scale. Its zonal-mean s
 tate has been well-established\, consisting of two distinct overturning ce
 lls. The upper cell maintained by the North Atlantic western boundary curr
 ent\, wind-drive gyre circulation and thermohaline changes in the subpolar
  North Atlantic\, serving as a major heat source for mild Europe climate. 
 The lower cell engined by the wind-driven upwelling in the Southern Ocean 
 and ventilation of deep ocean near the Antarctic continent is vital for th
 e global ocean heat and carbon uptake. In this talk\, I will introduce two
  studies that have focuses on both the upper and lower cells of AMOC. The 
 first study focuses on the mesoscale atmospheric forcing on the upper AMOC
  cell with means of numerical simulation and parameterisation development.
  The second study focuses on the interaction among the ocean-atmosphere-se
 a ice that regulates the lower AMOC cell on multidecadal timescales in the
  Atlantic sector of Antarctic marginal seas based our best knowledge drawn
  from historical observations.\n
LOCATION:MR5\, CMS
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