1/ First campaign

1

• 1/ First campaign 28thApril-23rdMay 2003
  successfully completed!
• 7 Sonic anemometers 2 vertical pairs, a pair
  across the Marylebone Rd and Gloucester Place
  intersection and a WCC roof top ref
• 3 Automatic Weather Stations around
  Westminster City Council
• 10 Street boxes (CO) along Marylebone Road
  between Gloucester Place and Baker Street
• 1 Tracer release in SW winds from York Street
  10 deployed sampling boxes within 2-3 blocks
  (15th May)
• Indoor/outdoor VOC Particulates (MScs)
• SCOOT data (TfL), Leeds instrumented vehicle and
  traffic counts
• Met Office support synoptic charts, back
  trajectories, meso-scale model output, now-casts
  during tracer release
• personal exposure measurements 4 people, 3
  timings a day, diff routes modes of transport
  (particulates filters and Ptraks CO)
• 2/ All data is on private web site and we are
  beginning data checks analysis. Current news
  and project updates are on public site at
• http//www.dapple.org.uk
• 3/ Field work debrief at Imperial Fri 6th June
  discussed practically what we had achieved,
  feedback on the operational aspects and ideas for
  the second campaign (especially a more flexible
  strategy for the tracer release)
• Second field campaign planned 19th April- 28th
  May 2004
• 4/ Wind tunnel modelling has generated
  considerable world wide interest and the suite of
  computer modelling at Cambridge and Reading is
  developing well
• 5/ More detailed updates of the work will be
  presented at the PAG ASG meetings in Surrey on
  July 14th, also have a public open day planned
  at Westminster City Council on Wed 1st Oct.