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SUMMARY:The biogeochemical impacts of forests: the role of biogenic second
 ary organic aerosol in the climate system - Catherine Scott (University of
  Leeds)
DTSTART:20131118T141500Z
DTEND:20131118T153000Z
UID:TALK46363@talks.cam.ac.uk
CONTACT:Dr Amanda Maycock
DESCRIPTION:Plants emit biogenic volatile organic compounds (BVOCs) such a
 s monoterpenes and isoprene into the atmosphere. BVOCs are rapidly oxidise
 d and form lower volatility products which may partition into the particle
  phase\, forming secondary organic aerosol. Consequently\, this process af
 fects the number and size of particles in the atmosphere with important im
 plications for cloud condensation nuclei (CCN) concentrations\, and cloud 
 albedo. The role of SOA in the atmosphere is further complicated by the li
 kely role of organic oxidation products in the formation of new particles 
 (nucleation) in the atmosphere.\n\nIn this talk I will discuss simulations
  using a detailed aerosol microphysics model (GLOMAP)\, designed to determ
 ine the radiative effects of biogenic SOA and the processes and parameters
  to which these effects are sensitive. This allows us to then examine and 
 quantify an additional biogeochemical impact of historical and present-day
  deforestation.
LOCATION:Unilever Lecture Theatre\, Department of Chemistry
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