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    STUDIA AMBIENTUM - Ediţia nr.1-2 din 2008  
         
  Articol:   URBAN AEROSOL POLLUTION. STUDY CASE: CLUJ-NAPOCA, ROMANIA.

Autori:  LAURENTIA FECHETE-RADU, IOVANCA HAIDUC. 		 
       
         
  Rezumat:  Aerosols, suspended particles, can be classified by their size, composition and sources. Urban aerosols are created by the industrial and traffic emissions nearby human agglomerations. The importance of studding these aerosols is to be understood because of the effects they cause: weather mechanism and climate change, as well as the effects on health that include asthma, lung cancer, cardiovascular issues, and premature death. European Commission has set limits for the concentration of aerosol particles, limits that can be found in directives 1999/30/EC and 96/62/EC. In Cluj-Napoca, the monitoring of aerosols started in 1995 and the results show that the limit of average concentrations is only exceeded near the source regions such as intense traffic and industrial sites. By analyzing industrial emissions and traffic density relative to atmospheric conditions and terrain highs, combined with the effects of green squares – parks, a risk map of air quality was developed. Modern and efficient methods for aerosol monitoring are LIDAR (Light Detection and Ranging) and DOAS (Differential Optical Absorption Spectroscopy) measurements combined with MAP3D atmospheric modeling. Industrial Depollution techniques are separated in two categories: dry and wet solutions.

Keywords: air quality, aerosols, dust, suspended particles, traffic pollution, LIDAR 		 
         
     
         
         
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