Model attributes (Traffic NO2 Overlay)

The Traffic NO2 Overlay can be configured with a number of Attributes.

Icon	Attribute	Unit	Range	Description	Default value
	BUSES_ACTIVE	boolean		Whether buses are to be included in the model's calculations.	True
	CARS_ACTIVE	boolean		Whether cars are to be included in the model's calculations.	True
	TRUCKS_ACTIVE	boolean		Whether trucks are to be included in the model's calculations.	True
	VANS_ACTIVE	boolean		Whether vans are to be included in the model's calculations.	True
	HOURS	h		An array of the hours of day that need to be calculated. Each hour will result in a timeframe.	8
	BASE_NO2	μg/m3		The background concentration of NO2 in the air.	0
	BASE_O3	μg/m3		The background concentration of O3 (ozone) in the air.	42
	MIN_TREE_HEIGHT_M	m		The minimal height for a tree before it is counted for the trees factor.	2
	EMISSION_NO2_CAR	μg/m3		The NO2 emission of a car.	0.09
	EMISSION_NO2_BUS	μg/m3		The NO2 emission of a bus.	0.61
	EMISSION_NO2_VAN	μg/m3		The NO2 emission of a van.	0.41
	EMISSION_NO2_TRUCK	μg/m3		The NO2 emission of a truck.	0.46
	EMISSION_NOX_CAR	μg/m3		The NOx emission of a car.	0.36
	EMISSION_NOX_BUS	μg/m3		The NOx emission of a bus.	5.88
	EMISSION_NOX_VAN	μg/m3		The NOx emission of a van.	6.9
	EMISSION_NOX_TRUCK	μg/m3		The NOx emission of a truck.	8.99
	EMISSION_JAM_NO2_CAR	μg/m3		The NO2 emission of a car in a traffic jam.	0.14
	EMISSION_JAM_NO2_BUS	μg/m3		The NO2 emission of a bus in a traffic jam.	0.98
	EMISSION_JAM_NO2_VAN	μg/m3		The NO2 emission of a van in a traffic jam.	0.68
	EMISSION_JAM_NO2_TRUCK	μg/m3		The NO2 emission of a truck in a traffic jam.	0.76
	EMISSION_JAM_NOX_CAR	μg/m3		The NOx emission of a car in a traffic jam.	0.57
	EMISSION_JAM_NOX_BUS	μg/m3		The NOx emission of a bus in a traffic jam.	9.4
	EMISSION_JAM_NOX_VAN	μg/m3		The NOx emission of a van in a traffic jam.	11.32
	EMISSION_JAM_NOX_TRUCK	μg/m3		The NOx emission of a truck in a traffic jam.	14.74
	ROAD1_30M_A			The "a" factor used to calculate the dilution effect of roads up to 30m from the road's center.	0.000325
	ROAD1_30M_B			The "b" factor used to calculate the dilution effect of roads up to 30m from the road's center.	-0.0205
	ROAD1_30M_C			The "c" factor used to calculate the dilution effect of roads up to 30m from the road's center.	0.39
	ROAD1_60M_ALPHA			The alpha factor used to calculate the dilution effect on roads up to 60m from the center of the road.	0.856
	ROAD1_60M_POWER			The power the alpha factor is raised to when calculating the dilution effect on roads up to 60m from the center of the road.	-0.747

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Traffic NO2 Overlay

Model attributes

Base o3 • Base no2 • Hours • Emission no2 • Emission nox • Emission jam no2 • Emission jam nox • Min tree height m • Cars active • Vans active • Trucks active • Buses active • Road1 30m a • Road1 30m b • Road1 30m c • Road1 60m alpha • Road1 60m power

Traffic features

Num cars • Num vans • Num trucks • Num buses • Jam factor cars • Jam factor vans • Jam factor trucks • Jam factor buses

Prequels

Cars • Vans • Trucks • Buses

Result types

Concentration • Emission no2 • Emission nox • Treefactor • Trees