THE DEPOSITION OF SELECTED POLLUTANTS ADJACENT TO A MAJOR RURAL HIGHWAY

Hewitt, C. N. and RASHED, M B (1991) THE DEPOSITION OF SELECTED POLLUTANTS ADJACENT TO A MAJOR RURAL HIGHWAY. Atmospheric Environment: Part A - General Topics, 25 (5-6). pp. 979-983.

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Abstract

Deposition fluxes of Pb, Cd and Cu, the organic compounds of lead and eight polycyclic aromatic hydrocarbon (PAH) compounds have been measured over a period of 1 year at distances up to 50 m from a major rural highway in northwest England. A rapid decline in deposition fluxes with distance from the road edge was observed, with background fluxes seen at 50 m. Dry deposition velocities in the range 0.1-1.0 cm s-1 and washout ratios in the range 24-129 were seen for the three metals. It is estimated that 13.7% of the Pb, 11.8% of the organic lead and 4.6% of the total PAH emitted by vehicles on the highway are deposited on the central reservation or within 50 m of the carriageway.

Item Type:
Journal Article
Journal or Publication Title:
Atmospheric Environment: Part A - General Topics
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/2300/2310
Subjects:
ID Code:
51541
Deposited By:
Deposited On:
25 Nov 2011 12:48
Refereed?:
Yes
Published?:
Published
Last Modified:
01 Jan 2020 07:43