1. Validation of urbanSTREAM Using JU2003 CRTI-02-0093RD Project Review Meeting Canadian Meteorological Centre August 22-23, 2006

2. Component 5: Model Validation urbanSTREAM urbanGEM/LAM Component 2 Component 1 2-way interaction ? urbanLS urbanEU Component 4 Component 5 (whole system validation) Component 3 CRTI

3. Joint Urban 2003

4. Major urban study with following components: –Characterization of urban boundary layer –Measurement of flow within and downwind of tall building core –Investigation of flows in street canyon including effects of traffic on turbulence –Measurement of surface energy balance in urban area –Dispersion of tracer into, out of, and within buildings (indoor dispersion) –Dispersion of tracer throughout the tall building core and to four km downwind from release Joint Urban 2003 – Atmospheric Dispersion Study in Oklahoma City

5. Present Focus: JU2003 (OK City) Validation (What is the Ground Truth?) 3-D rendering from ARCVIEW shape file satellite photograph Portion of OK City CBD

6. Source #1 Wind from SSW, Source #1

7. (0,0) (0,3) (5.6,0) (5.6,3) y x (1.5537, 3.2506 ) Source location Flow domain: Local coordinate system N Origin: UTM coordinates Zone: 14 UTM easting: 633683.314 m UTM northing: 3923940.987 m

8. Modeled and Predicted Mean Winds ANL Minisodar (Botanical Gardens) ANL Minisodar FRD Sodar PNNL Sodar used to inflow conditions for urbanSTREAM

9. Source and Detectors

10. Concentration Field C N Source Location: South side of Park Avenue 35.46871667 ° N, 97.51556667 ° W

11. Dual Concentration Field C * Detector # 515 (1-km sampling arc) [C] = pptv [Q] = kg s -1 log C *

12. Measured and Predicted Concentration Source Experimental urbanEU urbanAEU urbanLS

13. Measured and Predicted Concentration Source Experimental urbanEU urbanAEU urbanLS

14. Measured and Predicted Concentration Source Experimental urbanEU urbanAEU urbanLS

15. Measured and Predicted Concentration Source Experimental urbanEU Vertical profile of mean concentration