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SUMMARY:A different perspective on wave-ice interaction research - Vernon 
 Squire (University of Otago)
DTSTART:20171002T123000Z
DTEND:20171002T131500Z
UID:TALK83191@talks.cam.ac.uk
CONTACT:INI IT
DESCRIPTION:The focus of this talk will be on the two research strands tha
 t currently exemplify wave-ice interaction research\, namely: (i) the cont
 inuum paradigm\, which leads naturally into parametrizations that can pote
 ntially be incorporated straightforwardly into wave forecasting models suc
 h as WAVEWATCH III or global climate models\; and (ii) methodology that en
 deavours to represent the physics of each constituent process as faithfull
 y as possible\, acknowledging from the outset that approximations are inev
 itable. The advantages and disadvantages of each approach will be discusse
 d\, especially in the context of implications for the design of field expe
 riments and the subsequent analysis of any data collected. It is asserted 
 that field experiments grounded in the continuum paradigm are particularly
  challenging because the number of degrees of freedom in Nature is huge co
 mpared with a typical model. The consequences of using a linear ansatz wil
 l also be made clear\, recognizing that very nearly all current mathematic
 al models of the phenomenon are linear yet the few data that are available
  suggest that the assumption of linearity is inconsistent with observation
  in some cases and presupposes outcomes that are too restrictive.
LOCATION:Seminar Room 1\, Newton Institute
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