CONTEXT AND OBJECTIVE

TOP-DOWN APPROACH: REVIEW and

DIAGRAM

RESULTS

STATUS

FUTURE WORK

CRTI Project 02-0093-RD

ANTHROPOGENIC HEAT: QF

Data Base

ANTHROPOGENIC HEAT: QF

Context and Objective

CONTEXT:

Additional Source of Energy in Urban Areas

Factor of Urban Heat Island (UHI)

Release’s Sources:

Traffic Vehicles Energy Consumptions in Residential, Commercial and Industrial Sectors

Input in the Surface Energy Balance (TEB)

OBJECTIVE:

Need Fluxes in Spatial-Temporal Resolution of Urban Atmospheric Model (urbanGEM)

Build Hourly Anthropogenic Fluxes on Model’s Grid

SourcesOf Heat

Releases

Estimation Of Daily Total Energy

Hourly EnergyReleases

Spatialdisaggregating

Grid Model Hourly Fluxes

Data Representing The Heat’s Source At City/State LevelAt Year/Month/Day

Diurnal Temporal Profile

PopulationRoads

Commercial/Industrial Lands

Vehicular Traffic City - DailyIndustry

State - Monthly/Annual

Methodology’s Diagram

ANTHROPOGENIC HEAT: QF Adapt the Top-Down Sailor’s Method

QF = QVEH + QRES + QCOM + QIND

QSource = SurrogateS*ProfileS(t)*DailyEnergyS

Equations

ANTHROPOGENIC HEAT: QF

Temporal Profiles and Population Surrogate

33.13.23.33.43.53.63.73.83.9

44.14.24.34.44.54.64.74.84.9

5

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 240

1

2

3

4

5

6

7

8

9

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24

Building Group Divisions Census tract # 1067.03

32

7 6

Density: Persons/Sq. mileBG 3: 17486BG 2: 14775BG 6: 11365 BG 7: 4632

Cumulative Daily Heat Flux: Watt/m2

BG 3: 1032BG 2: 872.34BG 6: 671 BG 7: 273.48

Vehicular Traffic (Working Day)

Electricity Consumption (Summer)

S

EQC

3600

8.1%

4.8%

Local Time

Fraction of Total

Flux Total: Vehicular (Road) + Industry (Pop) at 5:00 PM OK City

ANTHROPOGENIC HEAT: QF Results vs. Surrogates - 1

Flux Total: Vehicular (Pop-Road) + Industry (Ind-Land) at 5:00 PM OK City

ANTHROPOGENIC HEAT: QF Results vs. Surrogates - 2

0

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0

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160

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24

ANTHROPOGENIC HEAT: QF Results: Population vs. Pop-Road

Daily Variation: Maximum Vehicle's Traffic Heat Flux - 5:0 PM Oklahoma City

Population (1/3)Population+(2/3)Roads

ANTHROPOGENIC HEAT: QF Results: Winter vs. Summer

1

1.5

2

2.5

3

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24

QF(W

/m2)

1

1.5

2

2.5

3

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24

QF(W

/m2)

Daily Variation: Maximum Electrical Heat Flux – 5:0 PM Oklahoma City

Winter Summer

Vehicular Flux (Pop-Road), Grid of GEM, 1km, at 5:00 PM OK City

ANTHROPOGENIC HEAT: QF Results: Interpolation

CURRENT STATUS

Case of Oklahoma City, JU2003, Ready

FURTHER WORK

Implementation in the Model urbanGEM Evaluate the domestic heating parameterization in TEB

Quantify the impact of anthropogenic fluxes on the urban microclimate and on the boundary layer

Improve the estimation of anthropogenic fluxes’ Strategy

Data Energy acquisition for Montreal and Vancouver

Provide the Anthropogenic Data Base

ANTHROPOGENIC HEAT: QF

Status and Future Work