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Vpliv zarasti na visokovodne razmere pri 2D hidravličnem modeliranju : diplomska naloga
Müller, Matej (Author), Steinman, Franci (Mentor) More about this mentor... This link opens in a new window, Rak, Gašper (Co-mentor)

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Abstract
Zaradi večanja neprepustnih površin in podnebnih sprememb se pogostost visokih voda v zadnjih desetletjih veča. Vzporedno s tem se veča tudi škoda, ki pri njih nastaja. Potreba po pripravljenosti na takšne dogodke in izdelavi protipoplavnih ukrepov je tako vedno večja. Za zmanjševanje poplavne nevarnosti in za napoved obsega poplav so potrebne hidravlične analize. Z razvojem računalnikov so v vedno večji uporabi tudi 2D hidravlični modeli. Natančnost takšnih modelov je v precejšnji meri odvisna od vnesenih topografskih podatkov, natančnosti robnih pogojev in postopka umerjanja modela. V nalogi je predstavljeno 2D hidravlično modeliranje odseka Drave pri Malečniku, kjer visoke vode ogrožajo zasebna in javna zemljišča. Model je bil izdelan s pomočjo programske opreme MIKE FLOOD. Pri umerjanju je bil upoštevan oblikovni upor visoke vegetacije ter medsebojna odvisnost globine vode in koeficientov hrapavosti. Narejena je bila analiza občutljivosti spreminjanja hrapavosti v 2D hidravličnem modelu za visokovodne razmere. Za omenjeno območje so bile izdelane karte poplavne nevarnosti ter analiza protipoplavnih ukrepov, ki zajemajo redčenje vegetacije in nižanje prodišč.

Language:Slovenian
Keywords:HS, diplomska dela, UNI, visoke vode, 2D hidravlično modeliranje, zarast, MIKE FLOOD
Work type:Undergraduate thesis (m5)
Tipology:2.11 - Undergraduate Thesis
Organization:FGG - Faculty of Civil and Geodetic Engineering
Year:2009
Publisher:[M. Müller]
Number of pages:XVI, 99 str.
Place:Ljubljana
UDC:519.61/.64:556.166:581.5(043.2)
COBISS.SI-ID:4761441 Link is opened in a new window
Views:953
Downloads:288
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Secondary language

Language:English
Title:Effects of vegetation on high waters in 2D hydraulic modeling : graduation thesis
Abstract:
Due to increasing impervious surfaces and climate change, the frequency of high water is increasing in recent decades. In parallel, the damage produced by them also increases. The need for preparedness for such events and for constructing flood measures grows. Hydraulic analysis are necessary for the assessment of the flood hazard and for flood extension forecasting. In recent years the development of advanced computers increased the use of complex 2D hydraulic models. The accuracy of such models largely dependents on topographic data, boundary conditions and model calibration process. In this report, a 2D hydraulic modeling was done for the reach of the Drava in Malečnik, where high waters threaten public and private land. Hydraulic modeling software MIKE FLOOD, which connects the MIKE 11 and MIKE 21 software was used. This research work also includes a sensitivity analysis of changing the roughness of the 2D hydraulic model on high waters, where the impact of the vegetation on flow conditions was also observed. Furthermore, flood hazard maps were done and analysis of flood measures, which include the reduction of the vegetation as well.

Keywords:high waters, 2D hydraulic models, vegetation, MIKE FLOOD

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