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 número54MONZÓN SUDAMERICANO: LA INTEGRACIÓN DE LA CIRCULACIÓN AMAZÓNICA Y ALTIPLÁNICA Y LAS VARIABILIDADES CLIMÁTICAS DEL ALTIPLANO ANDINO CHILENOTENDENCIAS DE LA PRECIPITACIÓN EN EL NORTE GRANDE DE CHILE Y SU RELACIÓN CON LAS PROYECCIONES DE CAMBIO CLIMÁTICO índice de autoresíndice de materiabúsqueda de artículos
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Diálogo andino

versión On-line ISSN 0719-2681

Resumen

MESEGUER RUIZ, Óliver et al. MEAN AND EXTREMES TEMPERATURES ACCORDING SEVERAL INDICES DURING THE 1966-2015 PERIOD IN THE CHILEAN NORTE GRANDE. Diálogo Andino [online]. 2017, n.54, pp.31-40. ISSN 0719-2681.  http://dx.doi.org/10.4067/S0719-26812017000300031.

According to the AR5 from the Intergovernmental Panel on Climate Change, northern Chile is one of the most affected region by the next years-changes in the atmospheric dynamics. Within this general context, the temperature and its modifications constitute a capital pillar. The behavior of the temperatures from 4 observatories in northern Chile have been studied. To detect possible trends in the time series, the non-parametrical Mann-Kendall test has been applied to the monthly mean temperatures in a first place, and, after that, to twelve different indices calculated according to the daily extreme temperature from 1966 to 2015. While monthly means do not show a significant trend in the studied period, coinciding with studies indicating the observation of the Global Warming Hiatus, the other extremes indices show significant (90%) trends, indicating a clear increase in minimum temperatures and a clear decrease in the number of annual days with minimum temperatures in the lower percentile.

Palabras clave : Mean temperature; extreme temperature; trend; Norte Grande; Chile..

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