Modeling the scenarios of catastrophic flood on the river of the Northern Dvinaстатья
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Дата последнего поиска статьи во внешних источниках: 9 октября 2019 г.
Аннотация:Calculation of the maximum possible water discharge is one of the most important
applied tasks. Its main feature is a high social and economic responsibility. Currently, the
regulatory documents apply extrapolation of the empirical curve to the area of rare frequency,
taking into account a guarantee correction. This method is quite reliable in terms of security,
but not always economically feasible. One of the possible ways to estimate the maximum
discharge for the river under study is to use a stochastic model along with a “weather
generator” and a physico-mathematical model for the formation of a runoff. The weather
generator is a stochastic model that predicts time series of several interconnected
meteorological variables based on the statistical characteristics of the values observed at
meteorological stations. This paper assesses the maximum possible water discharge for the
Northern Dvina river near the city of Velikiy Ustyug and the worst-case scenario of the flood.