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Testing of the Drava River Water Level Periodicity (CROSBI ID 628070)

Prilog sa skupa u zborniku | izvorni znanstveni rad | međunarodna recenzija

Maričić, Siniša ; Sanja, Scitovski ; Mijušković-Svetinović, Tatjana Testing of the Drava River Water Level Periodicity // Danube Conference 2014: Bridging the sciences – crossing borders / Dorner, W ; Marquardt, A. ; Scheider, M. (ur.). Deggendorf: Deggendorf Institut of Technology, 2014. str. 49-52

Podaci o odgovornosti

Maričić, Siniša ; Sanja, Scitovski ; Mijušković-Svetinović, Tatjana

engleski

Testing of the Drava River Water Level Periodicity

This paper analyses the periodicity of time series of water level data of the River Drava next to Donji Miholjac, recorded from 1890 to 2012. For this purpose, the numerical model of harmonic function was used from the Mathematics programming package, as well as a suitable method for determining the initial approximations. The multiple periodicities of water levels (annual ; 10-year and 40-year period) and their parameters have been established based on 36, 524 data, as well as by application of a linear-trigonometry regression and a non-linear optimization. The procedure has been tested on three series of data (according to different adjustment - according to height, position and accuracy), with various fundamental data (daily, average monthly, average annual water levels, etc.), and different lengths of the periods observed. Results (periodicity parameters) are almost the same, with occasional distinguished deviations of the long period established. The presented procedure is proven to be convenient for the analysis of time series data on natural characteristics. In view of the mathematically established characteristics of water levels of the River Drava, the options for practical application (forecasts) have to be considered further on.

water level; Drava River; water level periocicity

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Podaci o prilogu

49-52.

2014.

objavljeno

Podaci o matičnoj publikaciji

Danube Conference 2014: Bridging the sciences – crossing borders

Dorner, W ; Marquardt, A. ; Scheider, M.

Deggendorf: Deggendorf Institut of Technology

Podaci o skupu

XXVI Conference of the Danubian Coutries on Hydrological Forecasting and Hydrological Bases of Water Management

predavanje

22.09.2014-24.09.2014

Deggendorf, Njemačka

Povezanost rada

Građevinarstvo