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SUMMARY:Model predictions of wave overwash extent into the marginal ice zo
 ne - Jordan Pitt (University of Adelaide)
DTSTART:20220928T090000Z
DTEND:20220928T093000Z
UID:TALK178397@talks.cam.ac.uk
DESCRIPTION:Overwash is an important aspect of the dynamics in the margina
 l ice zone where sea ice and ocean waves interact. Overwash dissipates wav
 e energy\, and the presence of water on top of sea ice can drive growth or
  melting\, depending on the local thermodynamic conditions. The presence o
 f water on floes is also important for biologic and chemical processes. Wh
 ile overwash has been observed and investigated under experimental conditi
 ons\, it has not yet been studied in the marginal ice zone. One reason for
  this lack of in-situ measurements and observations is due to the marginal
  ice zone being highly dynamic\, and the onset of overwash only occurring 
 under specific and sensitive conditions. To facilitate future observations
  we have produced a model of the extent of overwash into fields of sea ice
  by combining a new model of the onset of overwash and a standard transmis
 sion model. This combined transmission and overwash model is validated aga
 inst experimental observations and is used to provide the extent of overwa
 sh for various realistic ice field and wave field conditions.&nbsp\;
LOCATION:Seminar Room 1\, Newton Institute
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