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Water 2018, 10(8), 1043; https://doi.org/10.3390/w10081043

Drought Analysis in Europe and in the Mediterranean Basin Using the Standardized Precipitation Index

1
National Research Council of Italy, Institute for Agricultural and Forest Systems in Mediterranean (CNR-ISAFOM), 87036 Rende, Italy
2
Independent Researcher, 87027 Paola, Italy
3
Independent Researcher, 87036 Rende, Italy
4
National Research Council of Italy, Institute of Neurological Sciences (CNR-ISN), 88021 Roccelletta di Borgia, Italy
*
Author to whom correspondence should be addressed.
Received: 11 June 2018 / Revised: 30 July 2018 / Accepted: 6 August 2018 / Published: 7 August 2018
(This article belongs to the Section Hydrology)
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Abstract

In this study, drought events over a large area of the Northern Hemisphere, including continental Europe, Ireland, the United Kingdom, and the Mediterranean basin, were analyzed using the Standardized Precipitation Index (SPI) at various times scales (3, 6, 12, and 24 months). To this purpose, the Global Precipitation Climatology Centre (GPCC) Full Data Monthly Product Version 2018 data set, with spatial resolutions of 0.5° longitude/latitude and for the period 1951–2016, has been used. First, the temporal evolution of the percentage of grid points, falling within the severe and extreme drought categories, has been evaluated. Then, a trend analysis has been performed at a seasonal scale, considering the autumn-winter and the spring-summer periods, and at an annual scale. The results of this paper highlight that the Mediterranean basin and North Africa are the most consistently vulnerable areas showing a general reduction in SPI values especially for the long time scale. View Full-Text
Keywords: drought; SPI; trend; Europe; Mediterranean basin drought; SPI; trend; Europe; Mediterranean basin
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Caloiero, T.; Veltri, S.; Caloiero, P.; Frustaci, F. Drought Analysis in Europe and in the Mediterranean Basin Using the Standardized Precipitation Index. Water 2018, 10, 1043.

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