DIPLOS Workshop & UFM Kickoff Meeting Agenda (with Group discussion note)

University of Southampton, March 30-31, 2017

Day 1. Rough boundary layers and air quality

1045-1100 Welcome

1100-1200 Invited talks: The DIPLOS project (Chair David Thomson)

· Intro DIPLOS + wind tunnel measurements. Alan Robins/Paul Hayden. University of Surrey (C1, C3).

· LES on DIPLOS geometry. Vladimir Fuka. University of Southampton (C1, C3).

· Exploiting wind tunnel, LES and DNS data to evaluate and develop parameterisations for fast dispersion models. Denise Hertwig/Torsten Auerswald. University of Reading (C1, C3).

1200-1300 Discussion 1: The Urban Fluids SIG (Chairs Maarten van Reeuwijk & Z Tong Xie)

1300-1400 Lunch (B38 Hartley Suite (Hartley Lounge))

1400-1500 Keynote 1. Fast-response urban dispersion modeling. Mike Brown, Los Alamos (C1, C3) (Chair Omduth Coceal)

1500-1530 Break

1530-1630 Invited talks: Dispersion modelling (Chair Tim Foat)

· SIRANE dispersion model + new developments. Lionel Soulhac, Ecole Central Lyon (C3).

· An overview of the dispersion work at FFI. Magnus Vartdal, FFI (C1, C3).

· Indoor-outdoor exchange and dispersion. Steven Herring, DSTL (C3, C4).

1630-1730 Keynote 2. Urban air quality modelling using ADMS. David Carruthers, CERC (C1, C3) (Chair Alan Robins)

1730-1900 UFM Committee Meeting (Building38, John Roberts Room)

1900-2100 Dinner (Building 38 Hartley Suite (Hartley Lounge))

Day 2. Broader issues

0915-1015 Keynote 3. Experimental/LES databases to support hazmat dispersion modelling. Bernd Leitl, Hamburg (C1, C3) (Chair, Ian Castro)

1015-1100 Invited talks: Other urban projects (Chair Gabriel Rooney)

· A brief overview of the MAGIC project. Paul Linden, Cambridge. (C1, C2, C3, C4).

· Coupling chemical and aerosol processes with meteorology at local scales. Xiaoming Cai, Birmingham (C4).

· Blue Green Dream: Nature Based solutions. Maarten van Reeuwijk, Imperial (C1, C2).

1100-1130 Break

1130-1230 Invited talks: Other urban projects (Chair Alison Tomlin)

· The next challenges for wind microclimate assessments in the UK. Daniel Hackett, RWDI (C4).

· Overview on Met Office urban work. Sylvia Bohnenstengel (C1, C2).

· Boundary layer over rough walls. Bharath Ganapathisubramani , Southampton (C1).

· Integration of Urban Processes across Scales. Sue Grimmond, Reading (C1, C3 + other processes).

1230-1400 Lunch (Building 38 Hartley Suite (Hartley Lounge))

1400-1545 Discussion 2: Outlook

· Part 1 (breakout into 4 groups) (Building 46/Room 2005 and Room 2003):

o Discuss each of the challenge areas: what are the main outstanding challenges?

o Group 1 & Group 2 (Building 46/Room 2005) C1 — Rough Boundary Layers: Champions Sue Grimmond & Bharath Ganapathisubramani; C2 —Stratification effects: Champions Ian Castro & Maarten van Reeuwijk

o Group 3 & Group 4 (Building 46/Room 2003) C3 — Dispersion and indoor/outdoor exchange: Champions Paul Linden & Alan Robins, C4 — Wind effects in urban areas: Champions Andrew Quinn & Z Tong Xie

· Part 2 (whole group, feedback session, etc) (Chairs Z Tong Xie & Maarten van Reeuwijk) (Building 46/Room 2005)

1545-1600 Closing remarks

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Challenge areas for Urban Fluids SIG

· C1: Very rough BLs

· C2: Stratification/buoyancy effects

· C3: Dispersion in urban BLs

· C4: Urban flows (pressures/forces on buildings, effects on pedestrians/vehicles, debris)

Group discussion note