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Publication Type
Conference Proceedings
Author, Analytic
Batchelor, T. W.; Amarakoon, Dharmaratne M.; Taylor, Michael A.; Stephenson, Tannecia S.
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Paper/Section Title
Investigating the Link Between Climate and Leptospirosis in the Caribbean Using Wavelet Analysis.
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Proceedings Title
4th BiennialConference of the Jamaica Institute of Environmental Professionals
Date of Meeting
May 26-27, 2009
Place of Meeting
Kingston, Jamaica.
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Date of Publication
2009
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Abstract
The Caribbean has shown changes in its climate (temperature and rainfall) as a result of urbanisation, population growth and industrialisation. The climatic changes have implications for the emergence and re- emergence of rodent-borne diseases such as leptospirosis. In this paper wavelet analysis is used to investigate the relationship between the incidence of leptospirosis in the Caribbean and climate variables such as temperature and precipitation. Wavelet analysis takes into account characteristics unique to climate and epidemiological data which other spectral techniques failed to do. The analysis reveals 2-3 year periodic signals in both the wavelet power spectrum and wavelet coherency. There is also a correlation between incidence of leptospirosis and late season Caribbean rainfall.....
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