Air pollution potential in Buenos Aires city, Argentina
A study of the climatology of ventilation properties of the atmosphere in Buenos Aires city has been carried out. From routinely available observational data, the daytime stability conditions and related ventilation factors and air flow characteristics are obtained and studied. In all cases the seas...
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2000
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| Acceso en línea: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_09574352_v14_n1-6_p400_Ulke http://hdl.handle.net/20.500.12110/paper_09574352_v14_n1-6_p400_Ulke |
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paper:paper_09574352_v14_n1-6_p400_Ulke2023-06-08T15:56:32Z Air pollution potential in Buenos Aires city, Argentina Air pollution potential Atmospheric stability Ventilation factor Atmospheric chemistry Climatology Ventilation Wind Air pollution A study of the climatology of ventilation properties of the atmosphere in Buenos Aires city has been carried out. From routinely available observational data, the daytime stability conditions and related ventilation factors and air flow characteristics are obtained and studied. In all cases the seasonal and annual behaviour is analyzed. The frequencies of occurrence of daytime reduced ventilation factors are important, being 55% over the whole year and, respectively, 67% and 44% in the cold and warm periods. The prevailing daytime atmospheric stability conditions are near neutral, slightly unstable and unstable. The most frequent day-time wind directions occur in the north-southeast sector and during the cold period are mainly associated with the smallest ventilation factor ranges. The results obtained suggest that, during the cold season, conditions for elevated air pollution concentrations occur with high probability in the atmosphere of Buenos Aires city. Atmospheric monitoring data were derived for Buenos Aires, Argentina, which has no formalized monitoring network, in an effort to determine the air-pollution potential. The task was accomplished using meteorological information over a 5-yr period, involving data on daytime stability conditions, ventilation factors, and air flow characteristics. Mobile sources were found to be responsible for a larger part of the emissions of nitrogen oxides, particulate matter, and sulfur oxides. The findings suggested a high potential for air-pollution problems during the winter, due to smaller ventilation factor ranges. (from Fifth Workshop on Harmonization Within Atmospheric Modelling for Regulatory Purposes, Rhodes, Greece (May 18-21, 98)). 2000 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_09574352_v14_n1-6_p400_Ulke http://hdl.handle.net/20.500.12110/paper_09574352_v14_n1-6_p400_Ulke |
| institution |
Universidad de Buenos Aires |
| institution_str |
I-28 |
| repository_str |
R-134 |
| collection |
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) |
| topic |
Air pollution potential Atmospheric stability Ventilation factor Atmospheric chemistry Climatology Ventilation Wind Air pollution |
| spellingShingle |
Air pollution potential Atmospheric stability Ventilation factor Atmospheric chemistry Climatology Ventilation Wind Air pollution Air pollution potential in Buenos Aires city, Argentina |
| topic_facet |
Air pollution potential Atmospheric stability Ventilation factor Atmospheric chemistry Climatology Ventilation Wind Air pollution |
| description |
A study of the climatology of ventilation properties of the atmosphere in Buenos Aires city has been carried out. From routinely available observational data, the daytime stability conditions and related ventilation factors and air flow characteristics are obtained and studied. In all cases the seasonal and annual behaviour is analyzed. The frequencies of occurrence of daytime reduced ventilation factors are important, being 55% over the whole year and, respectively, 67% and 44% in the cold and warm periods. The prevailing daytime atmospheric stability conditions are near neutral, slightly unstable and unstable. The most frequent day-time wind directions occur in the north-southeast sector and during the cold period are mainly associated with the smallest ventilation factor ranges. The results obtained suggest that, during the cold season, conditions for elevated air pollution concentrations occur with high probability in the atmosphere of Buenos Aires city. Atmospheric monitoring data were derived for Buenos Aires, Argentina, which has no formalized monitoring network, in an effort to determine the air-pollution potential. The task was accomplished using meteorological information over a 5-yr period, involving data on daytime stability conditions, ventilation factors, and air flow characteristics. Mobile sources were found to be responsible for a larger part of the emissions of nitrogen oxides, particulate matter, and sulfur oxides. The findings suggested a high potential for air-pollution problems during the winter, due to smaller ventilation factor ranges. (from Fifth Workshop on Harmonization Within Atmospheric Modelling for Regulatory Purposes, Rhodes, Greece (May 18-21, 98)). |
| title |
Air pollution potential in Buenos Aires city, Argentina |
| title_short |
Air pollution potential in Buenos Aires city, Argentina |
| title_full |
Air pollution potential in Buenos Aires city, Argentina |
| title_fullStr |
Air pollution potential in Buenos Aires city, Argentina |
| title_full_unstemmed |
Air pollution potential in Buenos Aires city, Argentina |
| title_sort |
air pollution potential in buenos aires city, argentina |
| publishDate |
2000 |
| url |
https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_09574352_v14_n1-6_p400_Ulke http://hdl.handle.net/20.500.12110/paper_09574352_v14_n1-6_p400_Ulke |
| _version_ |
1768541806571552768 |