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SUMMARY:Physical controls on the location and initiation of a regular phyt
 oplankton bloom north of the Crozet Plateau - Hugh Venables\, BAS
DTSTART:20071002T150000Z
DTEND:20071002T160000Z
UID:TALK7877@talks.cam.ac.uk
CONTACT:Deb Shoosmith
DESCRIPTION:Iron is released into the surface waters around the Crozet Pla
 teau (50°E\, 46°S) through natural processes. This alleviates the main c
 ontrol on phytoplankton in the Southern Ocean and causes a large phytoplan
 kton bloom. My PhD involved studying this through remotely sensed data\, A
 rgo float trajectories and profiles and in situ cruise data as part of the
  CROZEX program. After a review of the importance of iron in the Southern 
 Ocean\, the difficulties of measuring it and previous artificial release e
 xperiments I will present results relating the circulation\, iron supply a
 nd light availability to the spatial structure and temporal development of
  the bloom.
LOCATION:British Antarctic Survey
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