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Izdelava krivulj GEN za območje JZ Slovenije
Bizjak, Tadej (Author), Šraj, Mojca (Mentor) More about this mentor... This link opens in a new window, Panjan, Jože (Mentor) More about this mentor... This link opens in a new window, Krzyk, Mario (Mentor) More about this mentor... This link opens in a new window

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Abstract
Osnova za dimenzioniranje kanalizacijskega omrežja za odvodnjo padavinskih voda so merodajni padavinski podatki za dovolj dolgo časovno obdobje, preko katerih z analizo nalivov in preračunom odtoka vode s površja, določimo konične pretoke v omrežju. Končni produkt so krivulje gospodarsko enakovrednih nalivov (GEN), izdelane za določeno lokacijo oz. merilno postajo, s pomočjo katerih lahko za analizirano območje in izbrano povratno dobo, za različna trajanje padavinskih dogodkov razberemo pripadajoče intenzitete naliva in obratno. Namen diplomske naloge je predstaviti izdelavo krivulj GEN ter preveriti, če združevanje podatkov geografsko primerljivih postaj vpliva na končne rezultate. Narejen je izris krivulj GEN za deset izbranih meteoroloških postaj ter dve postaji, z združenimi padavinskimi podatki. Prvi del naloge vsebuje krajši opis odvajanja padavinske in odpadne vode ter opis in pregled postopkov obdelave padavinskih podatkov s poudarkom na verjetnostni analizi. Ker so za analizo merodajne le padavine z višjo intenziteto, je potrebno najprej nalive selekcionirati, nato pa podatke z izbranimi metodami izvrednotiti do končnega rezultata. Praktični del naloge zajema verjetnostne analize padavin ter izravnavo vrednosti v krivulje GEN s potenčno enačbo. Prav tako je preko različnih statističnih testov ovrednoten vpliv združevanja padavinskih podatkov na končne rezultate.

Language:Slovenian
Keywords:analiza nalivov, verjetnostna teorija, IDF krivulje, nizi GEN, statistični testi
Work type:Undergraduate thesis (m5)
Tipology:2.11 - Undergraduate Thesis
Organization:FGG - Faculty of Civil and Geodetic Engineering
Year:2016
Publisher:[T. Bizjak]
Place:Ljubljana
UDC:519.2:556.12:556.16(043.2)
COBISS.SI-ID:7483745 Link is opened in a new window
Views:913
Downloads:636
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Secondary language

Language:English
Title:IDF curves for southwestern part of Slovenia
Abstract:
The basis for the design of the municipal network for rainfall runoff is reliable precipitation data for a sufficient period of time. With the analysis of rainfall data and the following runoff modelling, peak discharges for sewage network are calculated. The final product of statistical analysis of rainfall data are IDF curves (intensity-duration-frequency) designed for a specific location. For the predetermined return period, using IDF curves, rainfall intensities can be obtained for different durations of rainfall event and vice versa. Aim of the thesis is to determine the influence of aggregation of precipitation data on final results. IDF curves were made for ten different meteorological stations and two stations, which included combined precipitation data of three independent stations. First part of the thesis contains a brief description of wastewater and rain water disposal and review of precipitation data analysis with emphasis on probabilistic approach. Since only the influential rainfall events are considered in the analysis, a threshold intensity or an alternative selection of rainfall data needs to be established and with the remaining data statistical analysis can be made. Practical part describes probabilistic analysis and finding of a power curve to fit the calculated data. Also, through different statistical tests, impact of aggregated precipitation data on reliability of the final results was evaluated.

Keywords:rainfall analysis, probability theory, IDF curves, equivalent design rainfall, statistical tests

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