Linking urban aerosol fluxes in street canyons to larger scale emissions

by B K Tay, G B McFiggans, D P Jones, M W Gallagher, C Martin, P Watkins, R M Harrison
Atmospheric Chemistry and Physics ()
Get full text at journal

Abstract

In this study we investigate ultrafine particle (UFP) fluxes using a first order eddy viscosity turbulence closure Computational Fluid Dynamics (CFD) model and determine the different factors that influence emissions of UFP into the urban boundary layer. Both vertical turbulent fluxes as well as the fluxes due to mean circulatory flow are shown to contribute to the overall ventilation characteristics of street canyons. We then derive a simple parameterised numerical prediction model for canyon top UFP venting which is then compared with tower based micrometeorological flux measurements obtained during the REPARTEE & CityFlux field experiments.

Cite this document (BETA)

Readership Statistics

19 Readers on Mendeley
by Discipline
 
47% Environmental Sciences
 
21% Earth Sciences
 
11% Chemistry
by Academic Status
 
32% Researcher (at a non-Academic Institution)
 
16% Ph.D. Student
 
16% Post Doc
by Country
 
5% Germany
 
5% Belgium
 
5% Republic of Singapore

Sign up today - FREE

Mendeley saves you time finding and organizing research. Learn more

  • All your research in one place
  • Add and import papers easily
  • Access it anywhere, anytime

Start using Mendeley in seconds!

Sign up & Download

Already have an account? Sign in