Sulfates and nitrates in rainfall and types of synoptic situations: period November 2008 - April 2010

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Published: Jul 3, 2013
Keywords:
Chemical composition of precipitation, synoptic situation, rain, rainy period, dry period, Cuba.

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Rosemary López Lee
Centro de Contaminación y Química de la Atmósfera, Instituto de Meteorología

Abstract

The chemical composition of rain depends on the seasons and synoptic conditions. The aim of this study was to determine the relationship between concentrations of non-marine sulphate and nitrates in rainfall and synoptic systems affecting Cuba during the period November 2008-April 2010. Monthly rainwater samples were gathered from 4 Western monitoring stations, 2 Central monitoring stations and 5 Eastern monitoring stations. The Chemical analyses were conducted using ion chromatography equipment. The monthly synoptic situation was determined by mode statistic function. The Western exhibited increased concentrations of non-marine sulphate and nitrates during the dry season when the anticyclone continental and cold fronts predominated, most likely due to the long-range transport of pollutants from the northeastern United States and locally. In constrast, in the eastern region, the inmissions patron of non-marine sulphate and nitrates were inverse. The highest concentrations was exibited during the rainy season possibly associated with the predominance of North Atlantic anticyclone.

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How to Cite
López LeeR. (2013). Sulfates and nitrates in rainfall and types of synoptic situations: period November 2008 - April 2010. Revista Cubana De Meteorología, 19(2), 106-112. Retrieved from http://rcm.insmet.cu/index.php/rcm/article/view/149
Issue
Vol 19 No 2 (2013): Vol. 19, No. 2, julio - diciembre, 2013
Section
Original Articles

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