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SUMMARY:Atmospheric Ozone Formation:  New measurement approaches to sidest
 ep chemical complexity - Bill Bloss (University of Birmingham)
DTSTART:20131021T131500Z
DTEND:20131021T143000Z
UID:TALK46360@talks.cam.ac.uk
CONTACT:Dr Amanda Maycock
DESCRIPTION:Ozone is an important air pollutant\, harmful to human health\
 , agricultural crops and vegetation\; the main precursor to the atmospheri
 c oxidants which initiate the degradation of most reactive gases emitted t
 o the atmosphere\, and is an important greenhouse gas in its own right.  T
 he capacity to understand\, predict and so to manage tropospheric ozone le
 vels is a key goal for atmospheric science research.  This goal is hard to
  achieve\, as ozone is a secondary pollutant\, formed in the atmosphere fr
 om the complex oxidation of VOCs in the presence of NOx and sunlight\, and
  a combination of in situ chemical processes\, deposition and transport go
 vern ozone levels.  Uncertainties in all of these factors affect the accur
 acy of numerical models used to predict current and future ozone levels.\n
 This talk presents results from two complementary experimental approaches 
 (large atmospheric simulation chambers\, and field process studies) which 
 aim to provide new understanding of ozone formation in complex atmospheric
  systems\, through an integrated process view :\n(a) The atmospheric degra
 dation of a new biogenic VOC\, Methyl Chavicol\, whose emissions are growi
 ng exponentially with the expansion of Oil Palm plantations\n(b)  A new ap
 proach for the direct measurement of local chemical ozone production rates
  in the ambient atmospheric boundary layer.\n 
LOCATION:Unilever Lecture Theatre\, Department of Chemistry
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