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Correlation Analysis of Seasonal Temperature and Precipitation in a Region of Southern Italy

Department of Computer Engineering, Modeling, Electronics, and Systems Science (DIMES), University of Calabria, 87036 Rende (CS), Italy
Research Institute for Geo-hydrological Protection (CNR-IRPI), National Research Council of Italy, 87036 Rende (CS), Italy
Department of Environmental and Chemical Engineering (DIATIC), University of Calabria, 87036 Rende (CS), Italy
Author to whom correspondence should be addressed.
Geosciences 2018, 8(5), 160;
Received: 27 March 2018 / Revised: 27 April 2018 / Accepted: 28 April 2018 / Published: 2 May 2018
(This article belongs to the Special Issue Hydrological Hazard: Analysis and Prevention)
PDF [1154 KB, uploaded 3 May 2018]


The investigation of the statistical links between changes in temperature and rainfall, though not widely achieved in the past, is an interesting issue because their physical interdependence is difficult to point out. Aiming at detecting possible trends with a pooled approach, a correlative analysis of temperature and rainfall has been carried out by comparing changes in their standardized anomalies from two different 30-year time periods. The procedure has been applied to the time series of seasonal mean temperature and cumulative rainfall observed in four sites of the Calabria region (Southern Italy), with reference to the series which verify the normality hypothesis. Specifically, the displacements of the ellipses, representing the probability density functions of the bivariate normal distribution assumed for the climatic variables, have been quantified and tested for each season, passing from the first subperiod to the following one. The main results concern a decreasing trend of both the temperature and the rainfall anomalies, predominantly in the winter and autumn seasons. View Full-Text
Keywords: seasonal precipitation; seasonal temperature; correlation analysis seasonal precipitation; seasonal temperature; correlation analysis

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Ferrari, E.; Coscarelli, R.; Sirangelo, B. Correlation Analysis of Seasonal Temperature and Precipitation in a Region of Southern Italy. Geosciences 2018, 8, 160.

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