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Title: Epidemiological analysis of malaria and its relationships with hydrological variables in four municipalities of the State of Amazonas, Brazil
Other Titles: Analyse épidémiologique du paludisme et de ses relations avec les variables hydrologiques dans quatre municipalités de l'État d'Amazonas, Brésil
Authors: Wolfarth, Bruna Raquel
Filizola, Naziano Pantoja
Tadei, Wanderli Pedro
Durieux, Laurent
Keywords: Amazon
Annual Maxima
Hydrological Variables
Seasonal Peaks
Spearman Rank Correlation
Temperature Data
Precipitation (chemical)
Water Levels
Precipitation (climatology)
Statistical Analysis
Water Level
Issue Date: 2013
metadata.dc.publisher.journal: Hydrological Sciences Journal
metadata.dc.relation.ispartof: Volume 58, Número 7, Pags. 1495-1504
Abstract: This work comprises a spatial, temporal and statistical analysis of the epidemiology of malaria occurrence in four municipalities of the State of Amazonas, Brazil: Coari, Codajás, Manacapuru and Manaus, for the period 2003-2009. The number of malaria cases, precipitation, water level and temperature data were analysed in this study. The strength of the relationship between these hydrological/meteorological variables and the occurrence of malaria was determined by employing the Spearman rank correlation coefficient. Seasonal peaks of malaria were registered, on average, about 1-2 months before the annual maximum temperature and after the river's seasonal high-water level. The phenomenon called repiquete (notable variations in the water level) was observed during periods of between 9 and 56 days. The results showed a statistically significant correlation between malaria, temperature, precipitation and water level. Temperature influenced malaria occurrence the least, while rainfall was the most important factor, especially in the municipality of Coari. Water level had an important influence on the records of malarial occurrence in the municipality of Manacapuru.Editor Z.W. KundzewiczCitation Wolfarth, B.R., Filizola, N., Tadei, W.P., and Durieux, L., 2013. Epidemiological analysis of malaria and its relationships with hydrological variables in four municipalities of the State of Amazonas, Brazil. Hydrological Sciences Journal, 58 (7), 1495-1504. © 2013 © IAHS Press.
metadata.dc.identifier.doi: 10.1080/02626667.2013.831977
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