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DTSTAMP:20260424T143454Z
UID:1744623000@ist.ac.at
DTSTART:20250414T113000
DTEND:20250414T123000
DESCRIPTION:Speaker: Detlef Lohse\nhosted by Björn Hof\nAbstract: The Atla
 ntic Meridional Overturning Circulation (AMOC) results from the balance be
 tween thermal and haline buoyancy in the Atlantic. Presently\, water flows
  from the Gulf of Mexico towards the Northern Atlantic and Europe\, but it
  has been speculated that the massive glacier melting in Greenland could l
 ead to a breakdown or even tipping of AMOC. We numerically study this phen
 omenon in a very simplified model – AMOC in a box – which consists of 
 double diffusive horizontal convection and\, depending on the meltwater in
 put\, we reveal four different regimes. Also the ice melting in saline wat
 er itself\, which is so crucial for the future of AMOC\, is studied with t
 he help of very simplified models\, which on the one hand reveal the essen
 tials of the process\, but on the other hand allow for a one-to-one compar
 ison between experiment and direct numerical simulations. Examples include
  the melting of ice cylinders in salty water\, the melting of ice sheets i
 n Rayleigh-Bénard convection\, and the melting by vertical convection in 
 salty water. This work contributes to advancing our understanding of the c
 omplex dynamics involved in glacial ice melting within oceanic environment
 s.
LOCATION:Raiffeisen Lecture Hall\, ISTA
ORGANIZER:diana.gruber@ista.ac.at
SUMMARY:Detlef Lohse: Melting & tipping: From the lab to the ocean
URL:https://talks-calendar.ista.ac.at/events/5359
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