Computation of Drought Index SPI with Alternative Distribution Functions

The Standardized Precipitation Index (SPI) is widely used as drought meteorological index, to identify the duration and/or severity of a drought. The SPI is usually computed by fitting the gamma probability distribution to the observed precipitation data. In this work, the possibility to calculate S...

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Veröffentlicht in:	Water resources management 2012-07, Vol.26 (9), p.2453-2473
Hauptverfasser:	Angelidis, Panagiotis, Maris, Fotios, Kotsovinos, Nikos, Hrissanthou, Vlassios
Format:	Artikel
Sprache:	eng
Schlagworte:	Atmospheric Sciences Civil Engineering Computation Drought Drought index Droughts Earth and Environmental Science Earth Sciences Earth, ocean, space Environment Exact sciences and technology Fittings Geotechnical Engineering & Applied Earth Sciences Hydrogeology Hydrologic data Hydrology. Hydrogeology Hydrology/Water Resources Mathematical analysis Precipitation Precipitation (meteorological) Probability distribution Rain Resource management Standardized precipitation index Stream flow Studies Time series Water resources Water resources management
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