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SUMMARY:A video-plankton and microstructure profiler for the exploration o
 f in situ connections between zooplankton and turbulence - Tetjana Ross (D
 alhousie University)
DTSTART:20130416T093000Z
DTEND:20130416T103000Z
UID:TALK44493@talks.cam.ac.uk
CONTACT:Norman Ratcliffe
DESCRIPTION:Turbulence and mixing is both ubiquitous in the environment of
  planktonic organisms and a critical part of large-scale physical and chem
 ical oceanographic budgets. Recent studies have shown conflicting results 
 about whether zooplankton contribute to ocean mixing and whether turbulenc
 e affects zooplankton feeding and swimming behavior positively\, negativel
 y or not at all. At least some of the confusion likely arises from the lac
 k of properly resolved\, simultaneous and co-located observations of zoopl
 ankton and turbulence. This talk introduces and discusses results from pre
 liminary deployments of a Video Plankton Recorder – Vertical Microstruct
 ure Profiler (VPR-VMP)\, which is shown to provide this type of data. Ther
 e is evidence of avoidance of the VPR-VMP by krill\, which raises question
 s as to whether any microstructure profiler can accurately assess krill-ge
 nerated mixing.
LOCATION:British Antarctic Survey\, Room 307
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