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Wyszukujesz frazę "flood hydrograph" wg kryterium: Temat


Wyświetlanie 1-3 z 3
Tytuł:
Determining hypothetical floods in the Odra basin by means of the Cracow method and the volume formula
Autorzy:
Gadek, W.
Tokarczyk, T.
Powiązania:
https://bibliotekanauki.pl/articles/59744.pdf
Data publikacji:
2015
Wydawca:
Polska Akademia Nauk. Stowarzyszenie Infrastruktura i Ekologia Terenów Wiejskich PAN
Tematy:
hypothetical flood
flood
Odra basin
Odra River
flood hydrograph
hydrological model
Źródło:
Infrastruktura i Ekologia Terenów Wiejskich; 2015, IV/4
1732-5587
Pojawia się w:
Infrastruktura i Ekologia Terenów Wiejskich
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The evaluation of the design flood hydrographs determined with the Hydroproject method in the gauged catchments
Autorzy:
Gadek, W.
Srodula, A.
Powiązania:
https://bibliotekanauki.pl/articles/62412.pdf
Data publikacji:
2014
Wydawca:
Polska Akademia Nauk. Stowarzyszenie Infrastruktura i Ekologia Terenów Wiejskich PAN
Tematy:
design flood hydrograph
determination
Hydroproject method
catchment
water gauge
Opis:
In Poland there are several methods used for determination of the design flood hydrographs. Among the others, the method developed by Hydroprojekt is used. According to the authors’ knowledge, this method has not been published yet. The method assumes that the design flood hydrographs are to be determined based on the real registered floods in a given gauged cross-section. The method uses the random number generator from the range of (-0.1, 0.2) independently for time instants of the hydrograph rising and falling limbs. This enables that the hydrographs have different time courses at different peak discharges. The study analyses the results received from this method in comparison to the Cracow method, assuming that the model hydrograph is the rainfall hydrograph, unimodal with the biggest registered discharge. The Cracow Method is chosen as the most objective one because of the calculation procedures which enable to determine the average time course based on 8 biggest flood hydrographs, and this method enables to determine the design flood hydrograph volume during its construction based on the linear correlation. The comparative analyses were conducted for the reduced volume, i.e., flood volume at the discharges bigger than the peak discharge with given exceedance probability, Q50%. The comparison of rising times for the hydrographs determined with both methods was done as well. The comparisons were done for 11 gauged cross-sections located in the area of the Upper Vistula catchment and they included the rivers of different nature: mountainous, sub-mountainous, upland and lowland. The analyses were unsuccessful for the Hydroprojekt method. Similar to other methods where the base for the design flood hydrograph determination is one flood hydrograph, both the flood volume and the rising time in most cases are different from the average conditions determined with the Cracow method. When using a model hydrograph with the highest recorded peak discharge, the Hydroprojekt method does not perform well and rather should not be used.
Źródło:
Infrastruktura i Ekologia Terenów Wiejskich; 2014, IV/3
1732-5587
Pojawia się w:
Infrastruktura i Ekologia Terenów Wiejskich
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Determination of synthetic flood hydrograph in ungauged catchments
Autorzy:
Banach, W.
Powiązania:
https://bibliotekanauki.pl/articles/62015.pdf
Data publikacji:
2011
Wydawca:
Polska Akademia Nauk. Stowarzyszenie Infrastruktura i Ekologia Terenów Wiejskich PAN
Tematy:
synthetic hydrograph
flood hydrograph
determination
ungauged catchment
rainfall model
surface run-off
geomorphological run-off model
Reitz-Kreps method
hydrology
Opis:
A method for determining synthetic flood hydrograph for small ungauged catchments is presented in the paper. The model uses the SCS excess rainfall model with daily precipitation of 1% exceedance probability as the input data. The excess rainfall is transformed to surface runoff by the geomorphological runoff model.
Źródło:
Infrastruktura i Ekologia Terenów Wiejskich; 2011, 12
1732-5587
Pojawia się w:
Infrastruktura i Ekologia Terenów Wiejskich
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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