Results of the numerical modelling of intra-annual variability of characteristics of the hydrological regime of the Kuyalnik liman lagoon

Authors: Tuchkovenko, Yu.S. and D.V. Kushnir

Year: 2016

Issue: 17

Pages: 137-149

Abstract

In order to solve the problems of diagnosis and forecast of spatial-temporal variability of hydrological characteristics of the Kuyalnik Liman (water level, salinity and temperature) which cause chemical and biological processes occurring therein, and, therefore, affect the properties of brine and therapeutic mud, a non-stationary 3D numerical hydrothermodynamic model Delft3D-FLOW was applied. The model can be applied for research of the features and forecasting of spatial-temporal variability of hydrological characteristics of the Kuyalnik Liman under the influence of natural and anthropogenic factors forming its hydrological regime. Such opportunity is also indicated by the results of adaptation of the model to the Kuyalnik Liman conditions and its validation that are specified in this work. The important role of accounting of small streams flowing into the liman and accurate setting of intensity of storm rainfall during modelling is also shown. It is found that at the time of storm winds with longitudinal directions in relation to the liman’s water surface, the difference of watermarks in its northern and southern parts may reach 0.35-0.4 m.

Tags: hydrodynamic modelling; hydrological regime; the Kuyalnik Liman

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