Costal classification of Hormozgan Province using experimental methods

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Shiea Ali MARYAM; CHEGINI VAHID; Vali Pour Azadeh

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Journal: IRANIAN JOURNAL OF GEOPHYSICS Year:2017 | Volume:11 | Issue:2 Page(s): 63-75

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Title

Costal classification of Hormozgan Province using experimental methods

Author(s)

Shiea Ali MARYAM | CHEGINI VAHID | Vali Pour Azadeh | Issue Writer Certificate

Keywords

Coastal classificationQ3

hydrodynamical factorsQ1

ultra-dissipativeQ1

low tide terraceQ1

low tide barQ1

Hormozgan ProvinceQ1

Abstract

Costal classification is an effective method for investigating the reaction of coasts against such hydrodynamical factors as waves and tides. This method is also employed in integrated coastal zone management, especially shoreline management. Coastal classification models are of two kinds, equilibrium models, predicting the effects of constant incident waves on nearshore features such as bars and troughs, and morphologic state models, predicting the sequence of bar-trough shapes and scales under the varying influences varying waves. Wright and Short (1984) presented the most widely accepted beach classification scheme where three main beach states are identified, namely dissipative, intermediate, and reflective. Intermediate beaches are divided into four states, low tide terrace, transverse bar rip, rhythmic bar beach, and longshore bar trough. In this paper, the beach states of the southern coasts (Hormozgan Province) of Iran were classified using Masselink and Short (1993) and Masselink and Hegge (1995) methods. Owing to its location, and abundant oil and gas resources, Persian Gulf is one important military, economic and political interest, hence the necessity of its investigation. We primarily studied different kinds of hydrodynamic forces dominating the beaches of the province. Six stations were chosen throughout the shoreline between 54˚ 39' 18" latitude and 26˚ 30' 29" longitude up to 53˚ 9' 39" longitude and 27˚ 4' 34" latitude. Next, the waves, tides, and sediments were evaluated in different depths in these stations via laboratory actions. We employed the wave data of 2002 from the modeling project (ISWM) which was done in the National Institute of Oceanography, and the sediment data of Hormozgan Province coast were gleaned from the Marine Geological Organization. In order to determine the general slope of the beach by Arc GIS software, hydrographic maps were used with approximately 1/100000, and the slope of each station was calculated. After that, through breaker height (Hb), the tide range (TR), wave period (T) and sediment fall velocity (Ws), two dimensionlessparameters, namely the relative tide range (RTR = TR/ Hb) and the dimensionless fall velocity (Ω = Hb/WsT, ) were calculated in each station. The results indicated that in the southern regions of Iran (Hormozgan Province), due to the tidal effects in and based on (3

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APA: Copy

Shiea Ali, MARYAM, CHEGINI, VAHID, & Vali Pour, Azadeh. (2017). Costal classification of Hormozgan Province using experimental methods. IRANIAN JOURNAL OF GEOPHYSICS, 11(2 ), 63-75. SID. https://sid.ir/paper/133682/en

Vancouver: Copy

Shiea Ali MARYAM, CHEGINI VAHID, Vali Pour Azadeh. Costal classification of Hormozgan Province using experimental methods. IRANIAN JOURNAL OF GEOPHYSICS[Internet]. 2017;11(2 ):63-75. Available from: https://sid.ir/paper/133682/en

IEEE: Copy

MARYAM Shiea Ali, VAHID CHEGINI, and Azadeh Vali Pour, “Costal classification of Hormozgan Province using experimental methods,” IRANIAN JOURNAL OF GEOPHYSICS, vol. 11, no. 2 , pp. 63–75, 2017, [Online]. Available: https://sid.ir/paper/133682/en

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