THREE DIMENSIONAL MODELING OF GENERAL CIRCULATION IN THE PERSIAN GULF USING FVCOM NUMERICAL MODEL

سال انتشار: 1395
نوع سند: مقاله کنفرانسی
زبان: انگلیسی
مشاهده: 319

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شناسه ملی سند علمی:

ICOPMAS12_430

تاریخ نمایه سازی: 30 دی 1397

چکیده مقاله:

The Persian Gulf is a shallow, semi-enclosed marginal sea with average depth of about 35 m, characterized by significant evaporation which is connected to the Gulf of Oman and the Arabian Sea through the Strait of Hormuz. High evaporation and strong surface heat loss in the Persian Gulf during winter combined with restricted exchange with the open ocean lead to the convective formation of the saltier and denser Persian Gulf water (PGW) mass. The PGW flushes out of the Persian Gulf as a deep outflow and induces a surface inflow of the Indian Ocean Surface Water (IOSW), driving an inverse-estuarine type water exchange through the Strait of Hormuz. In this study a high-resolution model of the Persian Gulf is presented and validated against the data reported from field measurements using the FVCOM numerical model. The predictions are then used to describe the circulation, the thermohaline structures and water mass transformation processes in the Persian Gulf in response to the atmospheric forcing. A sensitivity study for the settings of the numerical model, in particular vertical mixing parameterizations, has been performed in order to provide a favorable comparison with the available data from the observations.

نویسندگان

Mohammad Kazem Sharifian

University of Tabr University of Tabr University of Tabr University of Tabr University of Tabr University of Tabr University of Tabr University of Tabr University of Tabr University of Tabr University of Tabr University of Tabr University of Tabr Universi

Kourosh Hejazi

K.N. Toosi University of Technology, Tehran, IRAN

Mohammad Hosein Nemati

PMO, Tehran, IRAN

Zohreh HajiSalimi

PMO, Tehran, IRAN