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Information Journal Paper

Title

Calculation of Spatial Variation of Bottom Friction Coefficient in the Persian Gulf

Pages

  63-72

Abstract

 In this research, a modified version of three dimensional hydrostatic finite element QUODDY-4 was used to calculate the spatial variation of bottom friction coefficient in the Persian Gulf. It differs from original one in using an external module for calculation of bottom friction coefficient which was added to the model. Spatial variation of bottom friction coefficient is calculated using a hydrodynamic approach in which relation between wave friction factor and other characteristics of bottom boundary layer is described with non-dimensional parameters like surface Rossby number, Reynolds number for flow and relative inertial frequencies. Results show that friction coefficient varies from 0. 0005 to 0. 006 in the Persian Gulf and in most places, spatially in regions with depth more than 50 meters, its value is less than default value of this coefficient in the numerical models. Consequently, usage of the constant value for friction coefficient in shallow oceanic basins and marginal seas like the Persian Gulf needs attention and special cares.

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    APA: Copy

    RASHIDI EBRAHIM HESARI, AKBAR, & Salami Abyaneh, Rezvan. (2020). Calculation of Spatial Variation of Bottom Friction Coefficient in the Persian Gulf. JOURNAL OF OCEANOGRAPHY, 11(41 ), 63-72. SID. https://sid.ir/paper/373950/en

    Vancouver: Copy

    RASHIDI EBRAHIM HESARI AKBAR, Salami Abyaneh Rezvan. Calculation of Spatial Variation of Bottom Friction Coefficient in the Persian Gulf. JOURNAL OF OCEANOGRAPHY[Internet]. 2020;11(41 ):63-72. Available from: https://sid.ir/paper/373950/en

    IEEE: Copy

    AKBAR RASHIDI EBRAHIM HESARI, and Rezvan Salami Abyaneh, “Calculation of Spatial Variation of Bottom Friction Coefficient in the Persian Gulf,” JOURNAL OF OCEANOGRAPHY, vol. 11, no. 41 , pp. 63–72, 2020, [Online]. Available: https://sid.ir/paper/373950/en

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