Application of the operator model of runoff formation to determine the average long-term values of maximum water discharge  of spring flood in the Pivdenny Buh basin

A. A. Dokus; V. A. Ovcharuk; Zh. R. Shakirzanova

doi:10.31481/uhmj.24.2019.05

A. A. Dokus
V. A. Ovcharuk
Zh. R. Shakirzanova

DOI: https://doi.org/10.31481/uhmj.24.2019.05

Keywords: average long-term maximum runoff; spring flood; operator model; Pivdenny Buh.

Abstract

In the context of Ukraine's integration into the European Union and implementation of the main provisions of Directive 2007/60/EC which implies assessment of potential hydrological risks, long-term factors of their formation, in particular the effects of climate change and the trend of river water regime changes should be taken into consideration. With this in mind, given the presence of both current long-term tendencies to reduction of runoff layers (volumes) and maximum discharge of water of spring flood across the Ukrainian rivers there is an important task to identify, using the modern initial data, both the average long-term values of these characteristics and different probability of their exceedance probability.

For the first time, the authors of the study implemented an operator model of runoff formation to determine the average long-term values of maximum water discharge of spring flood in the basin of the Pivdenny Buh using meteorological characteristics (snowpack and precipitation) and runoff coefficients as basic parameters.

The model was applied to determine the maximum runoff modules of spring floods for the rivers with a wide range of catchment areas affected by different physical and geographical conditions within the Pivdenny Buh Basin.

Application of the operator model allowed the authors of the article to calculate and summarize all input parameters of the calculation model, including those obtained from observational data (snowpack, precipitation) and those that can't be measured by the hydrometeorological network (runoff coefficient, temporal irregularity coefficient and duration of surface inflow of snowmelt and rain water, transformational function of the flood waves layering under the influence of channel lag, coefficient of channel and floodplain regulation) for the rivers of the Pivdenny Buh Basin.

The verifying calculation related to determination of the average long-term values of the maximum modules of spring flood runoff using the operator model showed satisfactory concordance with the initial data and this allowed recommending it for practical application for the rivers of the Pivdenny Buh Basin, including those that haven't been studied from the hydrological perspective.

References

Directive 2007/60/EC of the European Parliament and of the Council of 23 October 2007 on the assessment and management of flood risks. (2007). Official Journal of the European Union, L 288/27. Available at: https://eur-lex.europa.eu/legal-content/EN/TXT/ (Accessed 20 December 2018).

Metodyka poperednoi otsinky ryzykiv zatoplennia [The methods for the future assessment of risings flooded] (2018). № 30. Available at: https://zakon.rada.gov.ua/ laws/card/z0153-18 (Accessed: 21 June 2019). (in Ukr)

Gopchenko, E.D. & Ovcharuk V.A. (2002). Formirovanie maksimal'nogo stoka vesennego polovod'ya v usloviyakh yuga Ukrainy [Formation of the maximum flow of spring flood in the conditions of the south of Ukraine]. Odessa: TES Publ. (in Russ.)

Gopchenko, E.D. & Romanchuk, M.E. (2005). Normirovanie kharakteristik maksimal'nogo stoka vesennego polovod'ya na rekakh Prichernomorskoy nizmennosti [Normalization of the characteristics of the maximum spring flood runoff on the rivers of the Black Sea lowland]. Kiev: KNT Publ. (in Russ.)

Shakirzanova, Zh.R. (2015). Dovhostrokove prohnozuvannia kharakterystyk maksymalnoho stoku vesnianoho vodopillia rivnynnykh richok ta estuariiv terytorii Ukrainy [Long-term forecasting of characteristics maximum runoff of spring flood plain rivers and estuaries in Ukraine]. Odesa: FOP Bondarenko Publ. (in Ukr.)

Ovcharuk, V.A. & Gopchenko, E.D. (2018). Suchasna metodyka normuvannia kharakterystyk maksymalnoho stoku vesnianoho vodopillia rivnynnykh richok Ukrainy [The modern method of maximum spring flood runoff characteristics valuation for the plain rivers of Ukraine]. Ukrainskyi heohrafichnyi zhurnal [Ukrainian Geographical Journal], 2 (102). pp. 26-33. (in Ukr.)

Gopchenko, E.D. & Pogorelova, M.P. (2018). Normuvannia rozrakhunkovykh kharakterystyk vesnianoho vodopillia v baseini richky Prypiat na bazi formuly obiemnoho typu [Normalization of the calculated characteristics of the spring waterfall in the Pripyat River basin based on the volume type formula]. Odesa: TES Publ. (in Ukr.)

Ovcharuk, V.A., Gopchenko, E.D. & Traskova, A.V. (2017). Normuvannia kharakterystyk maksymalnoho stoku vesnianoho vodopillia v baseini richky Dnister [Rationing of the characteristics of the maximum runoff of spring water in the Dniester river basin]. Odesa. (in Ukr.)

Gopchenko, E.D., Ovcharuk, V.A. & Shakirzanova, Zh.R. (2011). Rozrakhunky ta dovhostrokovi prohnozy kharakterystyk maksymal'noho stoku vesnyanoho vodopillya v baseyni r. Pryp'yat' [Calculations and long-term forecasts of the characteristics of the maximum runoff of spring water in the Pripyat river basin]. Odesa: Ekolohiya Publ. (in Ukr.)

State Hydrological Institute (1984). SNіP 2.01.14-83. Posobie po opredeleniyu raschetnykh gidrologicheskikh kharakteristik [Manual for the determination of calculated hydrological characteristics]. Leningrad: Gidrometeoizdat Publ. (in Russ.)

Gopchenko, E.D. (ed.). (2018). Ekstremalni hidrolohichni yavyshcha: pavodky i posukhy na terytorii hirskykh rehioniv Ukrainy [Extreme hydrological phenomena: floods and droughts in mountainous regions of Ukraine]. Odesa: TES Publ. (in Ukr.)

Gopchenko, E.D., Kichuk, N.S. & Ovcharuk, V.A. (2016). Maksymalnyi stik doshchovykh pavodkiv na richkakh Pivdnia Ukrainy [The maximum runoff of rain floods on the rivers of southern Ukraine]. Odesa. (in Ukr.)

Gopchenko, E.D. & Goptsii, M.V. (2015). Maksymalnyi stik doshchovykh pavodkiv u Peredkarpatti [Maximum rainfall runoff in the Precarpathian Mountains]. Odesa: TES Publ. (in Ukr.)

Gopchenko, E.D. & Gushlya, A.V. (1989). Gidrologiya s osnovami melioratsii [Hydrology with the basics of land reclamation]. Leningrad: Gidrometeoizdat Publ. (in Russ.)

Ogievskiy, A.V. (1952). Gidrologiya sushi [Hydrology of land]. Moscow: Sel'khozgiz Publ. (in Russ.)

Zheleznyak, I.A. (1985). Opredelenie maksimal'nogo raskhoda polovod'ya po tipovym kharakteristikam gidrometeorologicheskikh usloviy vodosbora [Determination of the maximum discharge of floods according to typical characteristics of hydrometeorological conditions in the catchment area]. Trudy UkrNIGMI [Proceedings UkrSRHMI], 201, pp. 15-27 (in Russ.)

Moklyak, V.I. (1957). Maksymalni vytraty vid talykh vod na richkakh URSR [Maximum discharges from snowmelt on the rivers of the Ukrainian SSR]. Kyiv. (in Ukr.

Vyshnevskyi, P.F. (1964). Zlyvy i zlyvovyi stik na Ukraini [Storm and storm drain in Ukraine]. Kyiv. (in Ukr.)

Befani, A.N. et al. (1981). Regional'nye modeli formirovaniya pavodochnogo stoka na territorii SSSR [Regional models of the formation of flood flow in the territory of the USSR]. Vol. 2. Obninsk. (in Russ.)

Gopchenko, E.D. (1975). O reduktsii maksimal'nykh moduley dozhdevogo stoka po ploshchadi [On reduction of maximum rainfall modules by area]. Meteorologiya i gidrologiya [Meteorology and hydrology], 2. pp. 66-71. (in Ukr.)

Gopchenko, E.D., Loboda, N.S. & Ovcharuk, V.A. (2014). Hidrolohichni rozrakhunky [Hydrological calculations]. Odesa. (in Ukr.)

World Meteorological Organization (1994). Guide to Hydrological Practices, Fifth Edition, TD No.168.

Kazakova, A.O. (2016). Osnovni hidrometeorolohichni chynnyky vesnianoho vodopillia v baseini r. Pivdennyi Buh v suchasnykh klimatychnykh umovakh [Main Hydrometeorological Factors of Spring Waterfall in the Southern Bug River Basin in Modern Climatic Conditions]. Materialy XV naukovoi konferentsii molodykh vchenykh [Proceedings of the XV Scientific Conference of Young Scientists], 10-13 May. Odesa, pp. 69-70. (in Ukr.)

Gopchenko, E.D. & Gnezdilov, Ju.A. (1974). Grafoanaliticheskiy metod opredeleniya parametrov gidrografov sklonovogo stoka (po materialam polevogo obsledovaniya GVV) [Graph-analytical method for determining the parameters of slope runoff hydrographs (based on the field survey of hot water survey)]. Trudy UkrNIGMI [Proceedings UkrSRHMI], 127, pp. 54-61. (in Russ.)

Andreevskaya, G.M., Gopchenko, E.D. & Ovcharuk, V.A. (1996). O forme grafikov pritoka vody so sklonov v ruslovuyu set' [About the form of graphs of water inflow from the slopes to the channel network]. Meteorologiya, klimatologiya i gidrologiya [Meteorology, climatology and hydrology], 33, pp. 106-110. (in Russ.)

Gopchenko, E.D. (2008). Razvitie predstavitelyami Odesskoy nauchnoy shkoly teoreticheskoy i prikladnoy gidrologii ucheniya o maksimal'nom stoke [The development by representatives of the Odessa scientific school of theoretical and applied hydrology of the doctrine of maximum runoff]. Meteorolohiia, klimatolohiia ta hidrolohiia [Meteorology, climatology and hydrology], 50 (2), pp. 5-13. (in Russ.)

Gopchenko, E.D. & Ovcharuk, V.A. (2007). Metodika rascheta skorosti ruslovogo dobeganiya na rekakh Ukrainy [Methodology for calculating the speed of channel runoff on the rivers of Ukraine]. Prychornomorskyi ekolohichnyi biulleten [Black Sea Ecological Bulletin], 2 (24), (June), pp.53-55. (in Russ.)