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Unesco Chair For Environmental Protection-1997
Deterministic Models Of Urban Air Pollution In Relation To Traffic Volume
- Case Study: Irbid City/Jordan-
Dr.Dr. Adel Awad (1) T. Al- Suleiman (2) G. Al- Khateeb (3)A. T. Rabi(4)
(1)Professor ,department of environmental engg, Teshreen University,
Lattakia, Syria.
(2)Dept. of Civil Engng, Jordan University of Science, Technology,Irbid, Jordan.
(3)Dept. of Civil Engng, Jordan University of Science, Technology,Irbid, Jordan.
(4)Dept. of Public Health, Jordan University of Science, Technology,Irbid, Jordan.
Abstract
This paper presents an evaluation and modeling of air pollution in urban areas. To achieve the objective of this paper, eighteen major sites( eight signalized intersections and ten main rotaries) were selected in Irbid city- Jordan and taken as a case study.
The traffic counts at these sites were performed during peak and off- peak hours taking into consideration the seasonal variation.
Special technical equipment were used to measure the concentration of the following air pollutants: Carbon Monoxide(co), Sulfur Dioxide , Nitrogen Oxides(Nox), and particulate.
The results showed that the effect of volume of Gasoline-Powered Vehicles on CO, Nox, and particulate were statistically significant.
While, the was found more correlate with the volume of Diesel-Powered Vehicles.
In general, the predicted levels of air pollution at the signalized intersections were found higher than those at the rotaries.
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