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SUMMARY:Urban trees: how do they affect air quality? - Maarten van Reeuwij
 k\, Imperial College London
DTSTART:20211015T150000Z
DTEND:20211015T160000Z
UID:TALK162691@talks.cam.ac.uk
CONTACT:Prof. Jerome Neufeld
DESCRIPTION:In this seminar I will discuss the effect that trees have on a
 ir flow of air pollutant transport. The interaction of trees with their en
 vironment is extremely complex: trees provide shading\, absorb and emit ra
 diation\, evaporate water\, cause drag and absorb/deposit pollutants. All 
 these processes are incorporated in to a minimalistic tree model. Analysis
  of the tree model reveals the parameter space that map the cooling regime
 s of the tree. The model is then incorporated into an urban large-eddy sim
 ulation code uDALES\, and the effect of trees on urban air quality is inve
 stigated. It is shown that trees can be both beneficial and detrimental to
  urban air quality\, depending on how much they block the interaction betw
 een the street and the atmosphere.
LOCATION:MR2\, Centre for Mathematical Sciences\, Wilberforce Road\, Cambr
 idge
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