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Droughts in Serbia through the analyses of De Martonne and Ped indices
Dejan Dimkić1, Aleksandar Anđelković2, Marko Babalj2
1Jaroslav Černi Water Institute, Jaroslava Černog 80, 12226, Pinosava, Belgrade, Serbia. dejan.dimkic@jcerni.rs.
Abstract:
Due to global warming, droughts have become one of the focal points of researchers in the field of climate and water, all over the world. The analyses in this paper include spatial pattern and temporal trend for the territory of Serbia, over the 1949-2016 period. The De Martonne aridity index and the Ped drought index have been applied. Eighteen pairs of temperature and precipitation stations all over the country have been analyzed. The obtained results show a tendency toward a drier condition, which are not yet drastic. Drought areas for the territory of Serbia are increasing, but drought intensity and frequency should certainly be lower than those predicted for the Mediterranean coastal area, except in regions with very high human water use. Comparing the obtained results from stations at the original altitude and calculated data for the same stations at fixed virtual altitudes has shown that the natural direction of drought, which decreases from west to southeast, has shifted to a north to south direction.
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