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SUMMARY:Emissions and Chemistry of air pollution in London and Beijing: a 
 tale of two cities. - Professor James Lee\, University of York
DTSTART:20180219T141500Z
DTEND:20180219T151500Z
UID:TALK83271@talks.cam.ac.uk
CONTACT:Dr Olalekan Popoola
DESCRIPTION:Air pollution is a major issue for human health and is respons
 ible for hundreds of thousands of premature deaths per year worldwide. The
  problem is particularly acute in large cities\, where emissions from traf
 fic\, domestic and commercial properties and industry can cause the air to
  be dangerously polluted. Over the past decade the UK atmospheric science 
 community has carried out a large amount of research first in London (the 
 largest city in Europe - population 10 millions) and latterly Beijing (one
  of the largest cities in the world - population 30 million). This talk wi
 ll summarise some of the results. Firstly\, measurement of the emissions o
 f NOx from tall towers in the cities using eddy covariance will be discuss
 ed\, along with how the measurements compared with bottom up emission esti
 mates. In addition\, the formation of ozone in each city is investigated\,
  with chemical modelling used to identify the most important precursor spe
 cies. 
LOCATION:Pfizer Lecture Theatre\, Department of Chemistry
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