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Abstract:

Air pollution potential is a measure of the atmospheric conditions that are unable to transport and dilute pollutants into the air, independently of the existence of sources. This potential can be determined from two atmospheric parameters: mixing height and transport wind. In this paper a statistical analysis of the mixing height and transport wind, in order to determine the areas with high or poor atmospheric ventilation in Argentina, is presented. In order to achieve this, meteorological data registered during 1979-1982 at eight meteorological stations were used. Daily values of the maximum mixing height were calculated from observations of daily temperatures at different heights and maximum surface temperature. At the same time as the maximum mixing height, the values of the transport wind were determined from the surface windspeed and the characteristics of the ground in the surroundings of each meteorological station. The mean seasonal values for both parameters were obtained. Isopleths of the mean seasonal of the maximum mixing heights were drawn. The percentage of seasonal frequencies of poor ventilation conditions were calculated and the frequency isopleths were also drawn to determine areas with minor and major relative frequencies. It was found that the northeastern and central-eastern regions of Argentina had a high air pollution potential during the whole year. Unfavorable atmospheric ventilation conditions were also found in the central-western side of the country during the cold seasons (37.5% in autumn and 56.9% in winter). The region with the greatest atmospheric ventilation is located south of 40°S, where the frequency of poor ventilation varies between 8.0% in summer and 10.8% in winter.

Registro:

Documento: Artículo
Título:Air pollution potential: Regional study in Argentina
Autor:Gassmann, M.I.; Mazzeo, N.A.
Filiación:Department of Atmospheric Sciences, Faculty of Sciences, University of Buenos Aires, 1428 Buenos Aires, Argentina
Palabras clave:Air pollution potential; Atmospheric boundary layer; Low ventilation conditions; Mixing height; Transport wind; Atmospheric ventilation; Atmospheric temperature; Climate change; Climatology; Computational methods; Statistical methods; Wind effects; Air pollution; air quality; mixing; pollutant transport; regional pattern; air conditioning; air pollution; air quality; Argentina; article; atmospheric dispersion; pollution control; purification; seasonal variation; statistical analysis; Argentina
Año:2000
Volumen:25
Número:4
Página de inicio:375
Página de fin:382
DOI: http://dx.doi.org/10.1007/s002679910029
Título revista:Environmental Management
Título revista abreviado:Environ. Manage.
ISSN:0364152X
CODEN:EMNGD
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_0364152X_v25_n4_p375_Gassmann

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Citas:

---------- APA ----------
Gassmann, M.I. & Mazzeo, N.A. (2000) . Air pollution potential: Regional study in Argentina. Environmental Management, 25(4), 375-382.
http://dx.doi.org/10.1007/s002679910029
---------- CHICAGO ----------
Gassmann, M.I., Mazzeo, N.A. "Air pollution potential: Regional study in Argentina" . Environmental Management 25, no. 4 (2000) : 375-382.
http://dx.doi.org/10.1007/s002679910029
---------- MLA ----------
Gassmann, M.I., Mazzeo, N.A. "Air pollution potential: Regional study in Argentina" . Environmental Management, vol. 25, no. 4, 2000, pp. 375-382.
http://dx.doi.org/10.1007/s002679910029
---------- VANCOUVER ----------
Gassmann, M.I., Mazzeo, N.A. Air pollution potential: Regional study in Argentina. Environ. Manage. 2000;25(4):375-382.
http://dx.doi.org/10.1007/s002679910029