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  • Investigation of spatial and temporal variability of hydrological drought in Slovenia using the "Standardised Streamflow Index" (SSI) [Elektronski vir]
    Zalokar, Lenka, gradbenica, vodarka ; Kobold, Mira ; Šraj, Mojca, hidrologija
    Drought is a complex phenomenon with high spatial and temporal variability. Water scarcity has become a growing problem in Slovenia in recent decades. Therefore, the spatial and temporal variability ... of hydrological drought was investigated in this study by analysing the Standardized Streamflow Index (SSI). Monthly discharge data series from 46 gauging stations for the period 1961-2016 were used to calculate SSI values at five different time scales (1, 3, 6, 12, and 24 months). The results indicate that the frequency and intensity of droughts in Slovenia has increased in recent decades at most of the analysed gauging stations and at all time scales considered. Spring and summer periods were identified as critical in terms of water deficit. SSI values vary independently from the location of the gauging station, confirming that drought is a regional phenomenon, even in a small country such as Slovenia. However, SSI values vary considerably depending on the time scale chosen. This was also confirmed by the results of the hierarchical clustering of the number of extreme droughts, as various time scales resulted in a different distribution of gauging stations by individual groups.
    Vir: Water [Elektronski vir]. - ISSN 2073-4441 (Letn. 13, št. 22, art. 3197, 2021, [15] str.)
    Vrsta gradiva - e-članek
    Leto - 2021
    Jezik - angleški
    COBISS.SI-ID - 85603331

    Povezava(-e):

    https://www.mdpi.com/2073-4441/13/22/3197
    Repozitorij Univerze v Ljubljani – RUL
    DOI

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