Winter Phenomena (Ice Jam) on Rivers from the Romanian Upper Tisa Watershed in 2006–2017 Winter Season

Sabău, Daniel; Șerban, Gheorghe; Kocsis, István; Stroi, Petrică; Stroi, Răzvan

doi:10.1007/978-3-319-79014-5_7

Cited by 3 publications

(2 citation statements)

References 59 publications

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“…As compared to the annual average values of precipitation recorded in the Baia-Mare Depression (about 892 mm), the precipitation amounts rise on the slopes exposed to the ocean air masses in the high mountain areas, at about 1400 mm. High intensity rainfall events are frequent throughout the year (Posea, 1980;Bâzâc, 1983;Clima României, 2008;Zaharia, 2012;Sabău et al, 2018;Șerban, 2018).…”

Section: Spatial Distribution Of Average Rainfallmentioning

confidence: 99%

Correlation between precipitation and orography - key element of the Spatial Decision Support System for Prevention and Management of Floods in the Firiza Basin (Northwest Romanian Carpathians)

Sabău¹,

Șerban²,

Tudose³

et al. 2022

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Research on the influence of relief on precipitation has been identified in many studies conducted locally, regionally or globally. However, the research on the area analyzed in the present paper is comparatively lacking. The surrounding mountain area we refer to is represented by the Someș and the Tisa watersheds. The present study focuses on analyzing the influence of the relief, i.e. of the altitude, slope orientation relative to the position of the Sun and the movement of air mass as a factor on precipitation and rainfall gradient. For that, datasets of daily precipitation recorded at 62 rainfall stations were used, as follows: 36 rainfall stations in Maramureş County, 19 rainfall stations in Satu Mare County, and 7 rainfall stations in Bistrița-Năsăud County. Precipitation data from rainfall stations located in the neighborhood of the study area were used in order to determine the influence of relief on frontal precipitation. The second purpose of the research was to determine if there is a correlation between precipitation and altitude. To this end, ArcGIS and Microsoft Office software were used. The results seem to confirm the major influence of the relief over the dynamic convection imposed to the air masses on ascending slopes, various average vertical precipitation gradients and differentiated distribution of rainfall. The present analysis and its results will highly contribute as an input element in a Spatial Decision Support System for Prevention and Management of Floods in Firiza Basin (North-Western Carpathians).

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Section: Spatial Distribution Of Average Rainfallmentioning

confidence: 99%

Correlation between precipitation and orography - key element of the Spatial Decision Support System for Prevention and Management of Floods in the Firiza Basin (Northwest Romanian Carpathians)

Sabău¹,

Șerban²,

Tudose³

et al. 2022

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“…As stated in [1], ice-related observed data are often subjective to the given observer, and frequently represented in a descriptive form of the ice type. In many locations, the ice period duration, the first ice date, and the breakup date are collected, e.g., in Poland [1][2][3][4], Russia [5], Central Europe [6][7][8][9], or Finland [10,11]. Ice cover thickness has been measured in major Polish rivers from the fifties of the last century, and data are collected at ten-day intervals.…”

Section: Introductionmentioning

confidence: 99%

Mathematical Modeling of Ice Dynamics as a Decision Support Tool in River Engineering

Kolerski

2018

Water

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The prediction of winter flooding is a complicated task since it is affected by many meteorological and hydraulic factors. Typically, information on river ice conditions is based on historical observations, which are usually incomplete. Recently, data have been supplemented by information extracted from satellite images. All the above mentioned factors provide a good background of the characteristics of ice processes, but are not sufficient for a detailed analysis of river ice, which is highly dynamic and has a local extent. The main aim of this paper is to show the possibility of the prediction of ice jams in a river using a mathematical model. The case of the Odra River was used here. Within the Lower and Middle Odra River, the most significant flood risk, in winter conditions, is posed by ice jams created when movable ice is stopped by existing obstacles such as shallow areas in the riverbed, the narrowing of the riverbed, and other obstacles caused as a result of sudden changes of the river current, backwater from sea waters, and north winds, which contribute to the creation of ice jams. This in turn causes the damming of water and flooding of adjacent areas. The DynaRICE model was implemented at two locations along the Odra River, previously selected as ice-prone areas. Also, a thermal simulation of ice cover formation on Lake Dąbie was shown with variable discharge. The results of numerical simulations showed a high risk of ice jamming on the Odra River, created within one day of ice moving downstream. The prediction of the place and timing, as well as the extent, of the ice jam is impossible without the application of a robust mathematical model.

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Water Resources from Romanian Upper Tisa Basin

et al. 2019

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Winter Phenomena (Ice Jam) on Rivers from the Romanian Upper Tisa Watershed in 2006–2017 Winter Season

Cited by 3 publications

References 59 publications

Correlation between precipitation and orography - key element of the Spatial Decision Support System for Prevention and Management of Floods in the Firiza Basin (Northwest Romanian Carpathians)

Correlation between precipitation and orography - key element of the Spatial Decision Support System for Prevention and Management of Floods in the Firiza Basin (Northwest Romanian Carpathians)

Mathematical Modeling of Ice Dynamics as a Decision Support Tool in River Engineering

Water Resources from Romanian Upper Tisa Basin

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