Status of Traffic Pollution in Main Crossroads of Changsha
- VernacularTitle:长沙市主要路口交通性污染现状
- Author:
Lu CHEN
;
Mingde TANG
;
Yizhen YI
- Publication Type:Journal Article
- Keywords:
Air pollution;
Ozone;
Noise;
Traffic
- From:
Journal of Environment and Health
1992;0(05):-
- CountryChina
- Language:Chinese
-
Abstract:
Objective To understand the traffic pollution in main crossroads of Changsha. Methods The levels of noise, NO 2, O 3 and TSP and traffic volumn were monitored in 6 main crossroads of Changsha in situ, 3 times per day, continuously for 5 days. Results The traffic volumns were 1 203～3 715/h, the noise levels were 69～88 dB(A), the levels of NO 2, O 3 and TSP in air of 6 main crossroads were 0.092～0.238 mg/m 3, 0.238～0.303 mg/m 3 and 0.71～1.47 mg/m 3 respectively. The over standard rates were 93%～100% for O 3 with a average rate of 98%. Conclusion The traffic pollution in main crossroads of Changsha mainly induced by noise and O 3, which might be associated with the traffic volumn, the environment around the crossroads and the types of the automobile running in the crossroads.
