| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 6333603 | Science of The Total Environment | 2012 | 12 Pages |
Abstract
⺠UK tunnel study determining fraction of NO2 in NOx emissions, f-NO2 using extensive dataset. ⺠Tunnel characterisation via static and mobile measurements; f-NO2 by two approaches. ⺠f-NO2 shows a significant diurnal profile linked to variations in fleet composition. ⺠Calculated variation in f-NO2 from traffic counts and emission inventories does not match observations. ⺠Early morning low values of f-NO2 are below calculations from emissions inventories.
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Authors
W.A. Simmons, P.W. Seakins,