01020875

Component

This paper describes how surface ozone is potentially high in Jakarta and that it is largely caused by transportation activities and favorable surface meteorological conditions. The relationships between precursor pollutants and ozone, thus, differ from one land use type to another. In this paper, a comparative analysis of surface ozone patterns was done at two major land use types, i.e., suburban area (SA) and central urban area, where the latter is further classified into a roadside area (RA) and a distant area from major roads (DA) in Jakarta City. It was conducted by using time series data about air pollutants collected at three air quality monitoring stations on weekdays during dry season in 2003. Up to now, there has been proposed several multiple regression models to analyze surface ozone. It is however difficult to apply these models to deal with the complex cause-effect relationships among meteorological factors, primary pollutants under different wind conditions, and their influences on surface ozone. To do so, this paper attempts to apply a structural equation model with latent variables, where are used to represent the above-mentioned cause-effect relationships. The effectiveness of the established surface ozone models is empirically confirmed in the sense that the goodness-of-fit indices are 0.787 for the SA, 0.731 for the DA, and 0.770 for the RA. The models give us a better way to analyze the surface ozone. It is also found that not only the interactions among meteorological factors, wind conditions and primary pollutants, but also their influences on surface ozone show different patterns at different locations.

01020180

06-2049

English

22p

2006

Transportation Research Board 85th Annual Meeting

CD-ROM

Figures (6) ; References (18) ; Tables (3)

Air pollution; Air quality; City planning; Land use planning; Meteorology; Monitoring; Ozone; Suburbs; Time series; Urban areas

Jakarta (Indonesia)

Energy; Environment; Geotechnology; Highways; Public Transportation; I15: Environment

Transportation Research Board Annual Meeting 2006 Paper #06-2049

TRIS, TRB

Mar 3 2006 10:51AM