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Análisis de clasificación de series temporales: el caso de la salinidad en la Ciénaga Grande de Santa Marta

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Author
Giraldo-H., R.
Martínez-C., J.
Hurtado-T., L.H.
Zea, S.
Madera-R., E.R.
Date
1995

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Alternative Title
Classification analysis of time series: the case of salinity in the Cienaga Grande de Santa Marta
Abstract
Se realizó una clasificación numérica de 21 estaciones de monitoreo del sistema laguno -estuarino comprendido por la Ciénaga Grande de Santa Marta y el Complejo Pajarales, de acuerdo a su similaridad en el comportamiento de la salinidad del agua. Se utilizó información quincenal comprendida entre enero de 1987 y octubre de 1991. Debido a la estructura de autocorrelación de los datos fue necesario emplear los modelos ARIMA de series de tiempo en primer lugar, y posteriormente aplicar una técnica de clasificación normal con los coeficientes de la representación infinita AR calculados para cada estación. Los resultados del análisis fueron coherentes con las hipótesis planteadas acerca de la distribución de la variable en el sistema.
A numerical classif¡catión of 21 monitoring stations of the lagoonal - estuarine system comprised by the Ciénaga Grande de Santa Marta and Pajarales complex was carried out according to their similarity in water salinity behavior. Biweekly data from January 1987 to Octuber 1991 was used. Due to the autocorrelation structure of the data, it was necessary to use f irst time series ARIMA models, f ollowed by normal cluster analysis of the AR coeff icients of infinite representaron calculated f or each station. The results were coherent with hypotheses concerning the distribution of the variable ¡n the system.
Journal
Anales del Instituto de Investigaciones Marinas de Punta Betín
Volume
24
Publisher or University
Santa Marta (Colombia), INVEMAR
URI
http://hdl.handle.net/1834/3813
Collections
2. Anales del Instituto de Investigaciones Marinas de Punta Betín

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