Difference between revisions of "PM2.5 concentration from bus traffic in Helsinki in 2020"
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* spatial limits: Helsinki metropolitan area | * spatial limits: Helsinki metropolitan area | ||
* temporal limits: year 2020 | * temporal limits: year 2020 | ||
| − | * type of pollutant: PM2.5 | + | * type of pollutant: primary PM2.5 |
* source of pollutant: bus traffic | * source of pollutant: bus traffic | ||
Revision as of 12:46, 19 February 2008
Scope
- spatial limits: Helsinki metropolitan area
- temporal limits: year 2020
- type of pollutant: primary PM2.5
- source of pollutant: bus traffic
Definition
Causality
List of parents:
- PM2.5 emissions from bus traffic
Data
List of data files or sources:
- Database from EXPOLIS study (1996-1997)
- Database from ULTRA study
Formula
E(bus) = (Ec-Elrt)f(tr).f(bus) fi = (Emi * wfi)Sum(Emi*wfi)
Unit
ug/m3
