Current and future work: the ACTUAL and
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Current and future work: the ACTUAL and ClearfLo projects. ACTUAL. A dvanced C limate T echnology U rban A tmospheric L aboratory (5 years, started March 2009). “Buildings don’t just withstand climate, they change it” Aim: to challenge urban engineering practice

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Current and future work: the ACTUAL and ClearfLo projects

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Current and future work: the ACTUAL and ClearfLo projects


ACTUAL

Advanced Climate Technology Urban Atmospheric Laboratory

(5 years, started March 2009)

“Buildings don’t just withstand climate, they change it”

Aim: to challenge urban engineering practice

by incorporating urban climate knowledge

Funded by EPSRC under the Challenging Engineering programme


ACTUAL

Advanced Climate Technology Urban Atmospheric Laboratory

Z ~ 9H

zBT =

190 m

Objectives:

1) Set up ACTUAL measurements:

Platform 1: remote sensing

* Doppler lidar

* Sodar, with Stuart Bradley at Uni. Of Auckland

* Comparison with scintillometerdeployed by Sue Grimmond at King’s College London

Platform 2: Westminster City Council roof (since Oct 2006)

Platform 3: BT Tower

Platform 4: Wind tunnel simulations (Uni. of Surrey), collaboration with A. Robins

  • Deployment spring 2010

  • Data available throughout website by autumn 2010

Z ~ 2-3H

Z = H


ACTUAL

Advanced Climate Technology Urban Atmospheric Laboratory

2) Assess the validity and impact of urban climate simulation (partners: The Met Office, Peter Clark)


ACTUAL

Advanced Climate Technology Urban Atmospheric Laboratory

3) Quanifythe effect of building layout and design on urban climate (Partners: Arup, Jake Hacker, Andrew Allsop)


ACTUAL

Advanced Climate Technology Urban Atmospheric Laboratory

4) Determine the effect of urban climate on energy supply and demand (with Tim Cockerill at Imperial College)


ClearfLo

  • NERC funded consortium, £2.8million over 3 years, combined meteorological and chemical observations and modelling

  • Start date January 2010

  • Regular Knowledge Exchange meetings, part hosted by APRIL

  • Two Intensive Observation Periods (summer/winter pollution episodes, TBC)


ClearfLo

  • Objectives are to:

  • Establish an infrastructure for air quality research

  • Measure a meteorological and chemical “climatology” of London

  • Determine meteorological and chemical processes governing concentrations

  • Focus on ozone, nitrogen dioxide and particulates

  • Evaluate air quality modelling (WRF-CMAQ)


  • Sites: central London; urban background (NK); rural (Chilbolton, Harwell, Detling)

  • O3, CO, NOx, PM, SO2 existing; add AMS for particulate species on BT Tower. DOAS for NOx profiles through boundary layer

  • Add eddy covariance (fluxes), scintillometer (path averaged heat fluxes), ceilometer (boundary layer depth)

  • Sites at different heights (NK, MR – street; KCL – rooftop; BT – 190m)

  • Medium term measurements (2 years) integrating study of met and chemical processes


ClearfLo

  • Principal Investigator: Prof. Stephen Belcher at Uni. of Reading

  • Collaborators: York, Leeds, Manchester, Salford, Hertfordshire, KCL, UEA, Birmingham, Reading, NCAS

  • Contact: [email protected] more info


A growing “urban observatory”

  • DAPPLE project rooftop site (continuous since October 2006) turbulencewww.dapple.org.uk

  • REPARTEE BT Tower and Regent’s Park gas, particulates, boundary layer turbulence (2007) http://www.cas.manchester.ac.uk/research/projects/cityflux/repartee/

  • BT Tower measurements (Oct 2006 to May 2008) Water vapour,CO2, turbulence

  • ISB52 – rural/urban transition boundary layer turbulence

  • LUCID – running Met Office Unified Model at 250 m resolution over London heat fluxes, temperature, heatwaveswww.lucid-project.org.uk

  • Sue Grimmond at King’s College London: urban micrometeorology http://geography.kcl.ac.uk/micromet/Index.htm

  • Ralf Toumi/Claire McConnell at Imperial (ALERT, OPAL project)


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