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SUMMARY:Plant lodging and sap ascent - Christophe Clanet (LadHyX)
DTSTART:20091026T130000Z
DTEND:20091026T140000Z
UID:TALK21006@talks.cam.ac.uk
CONTACT:Dr Ed Brambley
DESCRIPTION:We first study the coupling between the wind and an elastic ca
 nopy and show that there is a critical speed above which the wind imposes 
 large deformations on the\nelastic crop\, which can lead to lodging.  We d
 iscuss the physics of the transition from small to large deformations and 
 show how it can be used to reduce lodging events.\n\nIn the second part we
  show that there is a universal law of capillary rise in wedges (z ~ t<sup
 >1/3</sup>) and discuss its importance for the ascent of sap in tall trees
 .
LOCATION:MR5\, CMS
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