Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/52314
Title: On the relationship between acid rain and cloud type
Authors: Cana-Cascallar, Luis C. 
UNESCO Clasification: 2502 Climatología
Keywords: Acid rain
Environmental monitoring
Hydrogen-ion concentration
Spain
Issue Date: 2002
Publisher: 1096-2247
Journal: Journal of the Air and Waste Management Association 
Abstract: Spanish European Monitoring and Evaluation Programme (EMEP) stations were selected to relate acid rain episodes with the meteorological structure that caused the rainfall during a 5-year period. A principal component analysis (PCA) was used to determine the origin of major ions (SO4 2−, NO3 −, Cl−, Ca2+, K+, Mg2+, and Na+) in the rainwater. In addition, the meteorological origin of the rain was identified. Previous works suggested a relationship between acid rain and storm convective clouds. However, statistical analyses of pH values show that only the short-lived con-vective phenomena may cause acid rain in Spain. In fact, rain generated by fronts and that related to long-lived convective systems is neutral or even slightly basic. Results suggest that the acid rain might be related to the meteorological time scale instead of to the cloud type.
URI: http://hdl.handle.net/10553/52314
ISSN: 1096-2247
DOI: 10.1080/10473289.2002.10470785
Source: Journal of the Air and Waste Management Association [ISSN 1096-2247], v. 52, p. 334-338
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