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SUMMARY:The Effects of Subglacial Discharge on Ice-Shelf Melt Patterns and
  Ice-Sheet Response - Franka Jesse - Franka Jesse - Utrecht University
DTSTART:20251106T140000Z
DTEND:20251106T150000Z
UID:TALK236707@talks.cam.ac.uk
CONTACT:Katherine Turner
DESCRIPTION:Subglacial discharge\, the release of freshwater from beneath 
 glaciers into the ocean\, affects melt patterns beneath Antarctic ice shel
 ves. The added buoyancy at the grounding line accelerates meltwater flow\,
  which directly enhances melt rates and increases entrainment of ambient o
 cean water.\nIn this seminar\, I will present ongoing work on implementing
  subglacial discharge within the sub-shelf melt model LADDIE2.0. We will e
 xplore how subglacial discharge affects melt patterns beneath different ic
 e shelves\, highlighting the magnitude of melt amplification and the most 
 impacted regions. I will also show results from idealised (simplified geom
 etry and forcing) coupled experiments using LADDIE2.0 and the ice-sheet mo
 del UFEMISM2.0. Interestingly\, in these simulations\, the strongest initi
 al melt anomalies from including subglacial discharge do not necessarily l
 ead to the greatest long-term ice-sheet mass loss. Instead\, the release l
 ocation of subglacial discharge plays a key role.
LOCATION:BAS Seminar Room  330b
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