ABSTRACT
Pollution is the serious problem in the world, in this fast developing world there are different sources of pollution in which vehicular traffic is one of the sources causing highest amount of pollution. There is serious need to control this problem in urban areas. As the population of the world is increasing similarly the traffic volume is also increasing which is an important source of pollution. The Mega city Karachi is the fast growing city of Pakistan and in this city traffic pollution is a big problem, It is not only dangerous for humans health but is also effecting the plants growth. To represent the vulnerable areas of Karachi for plants due to the effect of pollution caused by traffic, this research is aimed to analyze the emission of Nitric Oxide (NO) due to Vehicular Roads Traffic in Karachi by weighted overlay analysis technique in Geographic Information System (GIS)Environment for the Plants Sensitive zone (PSZ). Research analysis is representing Nazimabad, Karimabad and SITE area, Clifton and Garden police HQ, as compare with other zones in our study area, are in the plant sensitive zone due to high pollution content. The results of this study can help to take steps in highly sensitive areas for controlling the traffic pollution in Karachi.
Keywords: Geographic information System, Nitric Oxide. Plants Sensitive Zone, Vehicular Roads Traffic.
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