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SUMMARY:Ocean wave propagation in the marginal ice zone: On the transition
  from consolidated to broken ice covers - Jordan Pitt (University of Adela
 ide)
DTSTART:20230609T123000Z
DTEND:20230609T140000Z
UID:TALK201277@talks.cam.ac.uk
DESCRIPTION:The surfaces of the high latitude oceans are frozen into a lay
 er of "sea ice"\, which plays an important role in the global climate by r
 eflecting the sun&rsquo\;s rays. Ocean surface waves propagate from the op
 en ocean into the sea ice covered ocean and break up the ice cover\, leavi
 ng it more vulnerable to melting. The ice cover attenuates wave energy ove
 r distance\, so that the breakup is confined to a region known as the marg
 inal ice zone. Field observations have been interpreted as indicating the 
 non-intuitive behaviour of attenuation decreasing following breakup. I wil
 l present a mathematical model that explains the observations in terms of 
 a combination of attenuation and ice-edge reflection\, backed by laborator
 y experiments.
LOCATION:Seminar Room 2\, Newton Institute
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