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SUMMARY:An Isoprene Mechanism Intercomparison - Dr Alex Archibald\, Centre
  for Atmospheric Science\, University of Cambridge
DTSTART:20091019T131500Z
DTEND:20091019T141500Z
UID:TALK19670@talks.cam.ac.uk
CONTACT:Dr Francis Pope
DESCRIPTION:This talk will present results from an intercomparison concern
 ing the gas phase chemical mechanisms used in a variety of models to descr
 ibe the oxidation of isoprene in the atmosphere. Eight different mechanism
 s are studied that range in complexity (smallest mechanism has only 24 rea
 ctions\, largest 583). The results show that there are large differences b
 etween mechanisms for a range of compounds. No mechanisms are able to simu
 late the high levels of OH observed coincident with high isoprene and low 
 NOx. A further investigation looks into assessing very recent findings of 
 potential HOx formation and recycling in the isoprene oxidation mechanism.
   
LOCATION:Unilever Lecture Theatre\, Department of Chemistry
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