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Paper Information

Journal:   JOURNAL OF GEOGRAPHY AND PLANNING   FALL 2014 , Volume 18 , Number 49; Page(s) 231 To 257.
 
Paper: 

ANALYSIS OF THE RELATIONSHIP BETWEEN THE THICKNESS AND HEIGHT OF THE INVERSION AND THE SEVERITY OF AIR POLLUTION IN TEHRAN

 
 
Author(s):  KEYKHOSROWI GH., LASHKARI HASSAN
 
* 
 
Abstract: 

Air Pollution in Tehran is one of the fundamental problems of the city. This city is considered as one of the most polluted cities in the world. Part of pollution like the rest of the world Mostly is due to overpopulation, The use of fossil fuels, heavy traffic, lots of old vehicles, Inappropriate development industries and disregarding the location of industries and The other part of pollution Is related to the geography of Tehran that Located on the southern slopes of the Alborz Mountains and Surrounded by high mountains on the north and east. In addition to the impact of climate like a gentle wind and weather stability, the lack of precipitation and temperature inversion is very effective on Tehran's air pollution.
Between The selective inversions it can be seen that When the inversion height is close to the surface of earth, The severity of air pollution has been added. In the inversion transitions this problem Caused air pollution rises dramatically.
In The dynamic inversion the prevailing climatic conditions, has created deep Sustainability in the layers near the surface. Due to the process of descending ruling, in the large thickness of the atmosphere, Inversion depth increased.

 
Keyword(s): INVERSION, POLLUTANT STANDARD INDEX, SEVERITY POLLUTION, DEEP INVERSION
 
References: 
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  Persian Abstract Yearly Visit 122
 
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