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Paper Information

Journal:   GEOGRAPHY AND ENVIRONMENTAL HAZARDS   FALL 2013 , Volume 2 , Number 7; Page(s) 17 To 20.
 
Paper: 

MAPPING HEAVY METAL POLLUTION IN TEHRAN AIR USING MORUS ALBA TREE LEAVES

 
 
Author(s):  MOLLASHAHI MARYAM*, ALIMOHAMMADIAN HABIB, HOSSEINI SEYYED MOHSEN, FEIZI VAHID, RIAHI BAKHTIARI ALIREZA
 
* DEPARTMENT OF FORESTRY, SEMNAN UNIVERSITY, SEMNAN, IRAN
 
Abstract: 

Introduction: Pollution can be defined as an undesirablechange in the physical, chemical or biologicalcharacteristics of the air, water or land that canaffect health, survival or activities of humans orother organisms. Air pollution is the biggest environmental problem in whole of the world that industrialization and increasing in number of city cause to increasing of its intensity. Tehran, one of the heavily-populated capitals and air pollution is known one of the environment problems for Tehran citizens during past recent century so this city today''s is known one the pollutant city in the world. Some factors such as Tehran topography and climatology, population growth (more than 10 million person), increase in the number of motor vehicles (more than two million vehicles) as well as industrial expansion, cause to intensify of air pollution in this city. Also this city is a greatest industrial city in Iran andthere are some Power plant, Refinery and chemical plants in it. In fact the important reason for Tehran air pollution is irregular consumption fuel fossil particular gasoline.

 
Keyword(s): AIR POLLUTION, HEAVY METAL, MORUS ALBA, TEHRAN
 
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