Difference between revisions of "PM2.5 concentration from bus traffic in Helsinki in 2020"
From Testiwiki
Juha Villman (talk | contribs) |
Palkovicova (talk | contribs) |
||
Line 21: | Line 21: | ||
E(bus) = (Ec-Elrt)f(tr).f(bus) | E(bus) = (Ec-Elrt)f(tr).f(bus) | ||
+ | fi = (Emi * wfi)Sum(Emi*wfi) | ||
=== Unit === | === Unit === |
Revision as of 12:45, 19 February 2008
Scope
- spatial limits: Helsinki metropolitan area
- temporal limits: year 2020
- type of pollutant: 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