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SUMMARY:When ice meets ocean: meltwater plumes from the murky depths - And
 rew Wells\, University of Oxford
DTSTART:20160303T113000Z
DTEND:20160303T123000Z
UID:TALK63452@talks.cam.ac.uk
CONTACT:Catherine Pearson
DESCRIPTION:The response of the Greenland and Antarctic ice sheets to chan
 ging ocean conditions provides a significant uncertainty in projections of
  future sea level rise. The melting or dissolution of ice into a salty oce
 an generates fresh and buoyant meltwater\, which can rise in a plume adjac
 ent to the ice. This turbulent convection moderates the supply of heat fro
 m the ocean to the ice\, and can control the rate of melting. This talk co
 nsiders the use of turbulent plume theory to predict melting rates coupled
  to buoyancy-driven flow\, focussing on two scenarios. Firstly\, we consid
 er the leading order scalings predicted by plume theory for ice melting in
 to a stratified ocean.  We then discuss possible impacts of melting sedime
 nt-laden ice\, motivated by observations of sediment entrainment into ice 
 streams that run out into the ocean. \n
LOCATION:Open Plan Area\, BP Institute\, Madingley Rise CB3 0EZ
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