Emission factors and models
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Scope
Emission factors and models describes
Contents
Description
Emissions of various pollutants from different sources result in enviornmental concentrations of pollutants in environmental or carrier media such as air, water, food, soil and dust.
Emission factors are numerical representations of the amount of pollutant emitted per distance (applicable only to area and line sources) or per time (applicable to all sources) in a given region.
Emission models compute the emission factors in a selected emission scenario.
- Example: AIRQUIS (NILU's air emission model) combines emission, consumption and production from area and point sources with traffic emissions to calculate hourly emissions distributed in areas,lines and/or points. The results may be stored as area, line and/or point data set. Before running the model the emission scenario must be defined. Here the user decides which sources to include.
References
Definition
Causality
List of parents:
- Input Sources / Human activities and interventions
- Point sources such as industries
- Area sources such as run-off from agricultural lands and landfills
- Output Transport, transformation and fate
- Dispersion models
Data
Formula
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