A three-Dimensional model of water temperature structure in the Caspian Sea

سال انتشار: 1384
نوع سند: مقاله کنفرانسی
زبان: انگلیسی
مشاهده: 2,537

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شناسه ملی سند علمی:

ICMST06_279

تاریخ نمایه سازی: 18 دی 1384

چکیده مقاله:

This research is based on a numerical model for forecasting of the threedimensional water temperature structure in the Caspian Sea. The results obtained are then analyzed and compared with observation. The method of finite difference with the assumption the x, y are equal and z variable. The model is based on the thermodynamic energy equation. The horizontal and vertical eddy viscosity and thermal diffusivity coefficients we used in accordance with that of the Benet on Outario Lake (1977). For modeling the Caspian Sea the grid of the field was done as follows. At horizontal surface grid size 10×10km extension and at vertical in 10 layers with varying thickness from surface to bed respectively as: 5, 10, 20, 30, 50, 100, 150, 200, and 250, 500 and higher. The data of velocity direction current, and temperature of water related to 15th September 1995 at 6 O’clock were obtained from synopticstation at the Caspian Sea sides and the research marine of Haji Alief. The results obtained through the numerical solution of the temperature equation have been compared with the observation. The temperature changes in the different layers proves that the model, done on the length wise and widthwise profiles in northern, middle and southern areas, are in agreement with the observation.

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