Modelling of Meteo-Droughts

Julius Fabian () and Emir Zelenhasic
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Julius Fabian: E. Zelenhasic University of Novi Sad
Emir Zelenhasic: E. Zelenhasic University of Novi Sad

Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), 2016, vol. 30, issue 9, No 21, 3229-3246

Abstract: Abstract A simple stochastic model of meteorological droughts (meteo-droughts) is presented. All its components are analyzed and described, along with their probabilistic structures. The model is composed of ten defining descriptive parameters and each of them is a random variable. The statistical explanation of the entire probabilistic process of meteo-droughts provides the base from which the procedure of developing the m-year synthetic meteo-drought is derived. From the meteorologist’s and consulting engineer’s point of view this model can be used efficiently to explain meteo-drought phenomenon in a quantifiable manner. This model is an approximate, not exact theoretical method of the probabilistic meteo-drought analysis. The method is intended for practical use by various professionals, such as irrigation, agricultural and forest engineers, hydrologists and meteorologists. The method has been applied in this paper to data observed at Sombor meteorological station, Serbia. Each defined meteorological drought be it past, present or future, can be described quantitatively and completely by the presented stochastic method. In other words, each meteo-drought is given its “identification card” (ID card). The application of the procedure has shown that the method is simple, yet complete, reliable and efficient.

Keywords: Meteo-drought; Growing season; Upper hydrological extremes; Random variables; Return period; Synthetic meteo-drought (search for similar items in EconPapers)
Date: 2016
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DOI: 10.1007/s11269-016-1342-6

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