Water quality assessment in barbacoas bay - Cartagena using multivariate statistical methods
DOI:
https://doi.org/10.25044/25392190.915Keywords:
barbacoas bay, canal del dique, principal components analysis, Kruskal-wallis.Abstract
In this study, statistical multivariable technics were applied to an eleven years' complex data base, in order to extract important information about the water quality in a polluted bay in the city of Cartagena, called Barbacoas. This bay receives hundreds of tons of sediments coming from Canal del Dique, a part of the Magdalena river in Colombia. Kruskal Wallis test and principal components analysis were used to find similarities, dissimilarities and Compliance with Colombian law among the different monitoring points. It was found that phosphorus, salinity and solids are out of the range set by the Colombian law. Principal components analysis showed that eight variables explain 64% and 69% of the variability of data for dry and rainy season.Downloads
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