Informatics and Applications
2018, Volume 12, Issue 4, pp 16-24
DETERMINING THE EXTREMES OF PRECIPITATION VOLUMES BASED ON THE MODIFIED "PEAKS OVER THRESHOLD" METHOD
- A. K. Gorshenin
- V. Yu. Korolev
Abstract
The problem of correct determination of extreme observations is very important when studying
meteorological phenomena. The paper proposes ascending and descending methods for finding the threshold for
extremes based on the Renyi theorem for thinning flows and the Pikands - Balkema - De Haan results. Using the
observation data for 60 years for Potsdam and Elista, it is demonstrated that the ascending method can present
excellent results for daily precipitation but for volumes of wet periods, the descending method should be used. The
results of such nonparametric approaches are compared with the parametric criterion proposed in the previous
papers by the authors.
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[+] About this article
Title
DETERMINING THE EXTREMES OF PRECIPITATION VOLUMES BASED ON THE MODIFIED "PEAKS OVER THRESHOLD" METHOD
Journal
Informatics and Applications
2018, Volume 12, Issue 4, pp 16-24
Cover Date
2018-12-30
DOI
10.14357/19922264180403
Print ISSN
1992-2264
Publisher
Institute of Informatics Problems, Russian Academy of Sciences
Additional Links
Key words
precipitation; wet periods; extreme values; thresholds; Renyi theorem; Pickands - Balkema - de Haan theorem; testing statistical hypotheses; data analysis
Authors
A. K. Gorshenin  ,  and V. Yu. Korolev ,
Author Affiliations
Institute of Informatics Problems, Federal Research Center "Computer Science and Control" of the Russian Academy of Sciences, 44-2 Vavilov Str., Moscow 119333, Russian Federation
Faculty of Computational Mathematics and Cybernetics, M. V. Lomonosov Moscow State University, Leninskie Gory, Moscow 119991, GSP-1, Russian Federation
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