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SUMMARY:Shallow water modelling of rainfall-runoff processes - Dr D Liang 
 (University of Cambridge)
DTSTART:20230427T103000Z
DTEND:20230427T113000Z
UID:TALK199366@talks.cam.ac.uk
CONTACT:Catherine Pearson
DESCRIPTION:Shallow water equations (Saint-Venant equations) can be derive
 d from depth-integrating the Navier-Stokes equations. They are widely used
  in hydraulic and hydrological analyses. This talk will first introduce th
 e properties of these equations and their numerous variations\, as well as
  the suitable computational methods. The talk will then focus on the appli
 cation of these equations to the prediction of the rainfall-runoff process
 es over impervious urban catchments\, focusing on the influence of urban c
 onfigurations\, e.g. road width\, building coverage and orientation\, on t
 he normalised time of concentration\, which is a hydrological parameter to
  indicate the response time of the catchment to a rain event. The talk wil
 l also present some experimental and numerical results on the runoff of di
 ssolvable pollutants over urban grounds.
LOCATION:Open Plan Area\, Institute for Energy and Environmental Flows\, M
 adingley Rise CB3 0EZ
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