Анализ функций влияния начального поля концентрации примеси на уровень загрязнения в Таганрогском заливе

Abstract

A numerical model of passive admixture transport in the Azov Sea is considered. The main task is to match the adjoint problem. Based on the method of adjoint equations, the functions of the initial data influence on the average admixture concentration in the Taganrog Bay are constructed. Calculations were made for three areas of intensive navigation in the Taganrog Bay. In the numerical construction of the influence function, velocity fields obtained from the hydrothermodynamic model with different wind stress were used. Flow fields and calculated coefficients of the model were input parameters for the adjoint problem. The spatial structure of solutions of adjoint equations under different wind effects is investigated. The adjoint equation was integrated for a period of 5 days. The corresponding functions of the initial data influence on the average concentration in the studied areas of the Taganrog Bay are constructed for this period of time. The influence of areas adjacent to the main ports and zones of intensive navigation on the formation of pollutant concentration fields in the considered areas of the Taganrog Bay is investigated.