Journal of Marine Science and Technology

Journal of Marine Science and Technology

Designing a Numerical Model to Study the Effect of Tide and Wind in a Theoretical Basin in Similarity to Persian Gulf

Document Type : Original Manuscript

Authors
Mohammad Taghi Zamanian 1
Masoud Sadrinasab 2
Mehri Fallahi 3
1 Atmospheric Science and Meteorological Research Center, Iran Meteorological Organization, Tehran, Iran.
2 Department of environment, Technical Faculties Campus (Environment), University of Tehran, Tehran, Iran.
3 Department of Marine Physics, Factually of Marine Science and Oceanography, Khorramshahr University of Marine Science and Technology, Khorramshahr, Iran.
10.22113/jmst.2019.149922.2203
Abstract
The design of oceanic numerical model for Persian Gulf to predict oceanic phenomena and parameters is one of the most important ways of preventing or solving problems environment and designing of the oceanic model similar to it is an effective method that can explain physical response of environment to different situations. Purpose of this research is designing oceanic numerical model for environment similar to Persian Gulf, to predict its reaction in return effect of tide and wind. This three-dimensional model based on primitive equations in spherical coordinates system with sigma vertical coordinate. To solve equations of model is used finite difference method. Compared with similar models, model framework and calculate more logical tension between are the benefits of this model. An oceanic five-layer basin is considered with maximum and minimum depth 100m and 80.09m. The average daily wind in Persian Gulf, the average daily salinity and water temperature and the changes in the water level in Strait of Hormuz are used in this model. The two-year implementation of model showed that in this basin, the tidal force is a dominant force compared with windy force and density gradient, also the maximum current in strait is 1.98 m/s which can create anticlockwise circulation in basin. Maximum total change of water height is 2.98 m in relation to the static level. Implementation results of this model correspond to the oceanographic reality of Persian Gulf, while matches with purpose; it is the basis of suitable model for Persian Gulf.
Keywords
numerical model
primitive equations
sigma vertical coordinate
Persian Gulf
Strait of Hormoz

Subjects

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Journal of Marine Science and Technology
Volume 21, Issue 1
Winter 2022
Pages 27-38

  • Receive Date 30 September 2018
  • Revise Date 18 January 2019
  • Accept Date 22 January 2019
  • Publish Date 21 March 2022