Water levels in a dual-basin harbour in response to infragravity and edge waves

Luick, John; Hinwood, Jonathan Barry

doi:10.1016/j.pocean.2006.04.002

Cited by 13 publications

(6 citation statements)

References 14 publications

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“…Having comprised two linked basins, the marina geometry probably permits for complex oscillation patterns. Oscillations in harbours and bays with similar geometries have been studied by few authors (Lee and Raichlen, 1972;Luick and Hinwood, 2008;Asano et al, 2010). In such harbour geometries, single basin or coupled basin modes or their combination could appear by supper positioning of the individual basin responses to generate the resultant response of the entire harbour system.…”

Section: Study Sitementioning

confidence: 99%

“…None of the dominant oscillation modes acts as individual mode, and they mutually communicate among them to reach equilibrium within the particular frequency band. Harbours with irregular geometries and linked basins generate combinations of closed and open basin modes, and single and linked basin modes (Lee and Raichlen, 1972;Luick and Hinwood, 2008). Such situations demands numerical solutions to decide modal shapes.…”

Section: Oscillations In the Marinamentioning

confidence: 99%

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Observations of infragravity period oscillations in a small marina

Thotagamuwage

Pattiaratchi

2014

Ocean Engineering

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Section: Study Sitementioning

confidence: 99%

Section: Oscillations In the Marinamentioning

confidence: 99%

Observations of infragravity period oscillations in a small marina

Thotagamuwage

Pattiaratchi

2014

Ocean Engineering

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“…The various consequent effects of IGWs were investigated by means of field measurements, laboratory observations and numerical modelling (7)(8)(9)(10)(11)(12). This type of low frequency waves was firstly observed by Munk (13) and named surf beat.…”

Section: Background and Previous Studiesmentioning

confidence: 99%

Investigation of Infragravity Waves Dependency on Wind Waves for Breaking and Nonbreaking Conditions in the Sandy Beaches of Southern Caspian Sea (Nowshahr Port)

Mahmoudof

2018

ijcoe

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In this study, the evolution and dependency of infragravity waves (IGWs) on wind waves for breaking and nonbreaking conditions is separately investigated. The efficiency of two constant cutoff frequencies (0.125 and 0.14 Hz) is compared for wave data measured in the sandy beaches of Nowshahr at the Southern Caspian Sea. It is found that the frequency of 0.125 Hz results higher correlation coefficients between IGWs energy content and two wind wave groups. Two pair different correlation patterns between IGWs in one side and wind waves higher and lower than 0.125 Hz in another side were recognized for breaking and nonbreaking conditions. It can be concluded that the IGWs excitation is controlled by the frequency distribution of wind wave energy. According to 0.125 Hz as more successful option, the correlation of IGWs with swell waves is generally more significant than sea waves. In the nonbreaking wave condition, the IGWs are well correlated with sea waves, whereas no considerable correlation between IGWs and sea waves is found in the breaking condition. It is resulted that IGWs energy is approximately linearly proportional of both swell and sea waves in nonbreaking condition. In the high and moderate conditions of incident wave energy, the density of IGWs energy grows shoreward, while energy attenuation can be detected for IGWs in very low energy waves.

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“…Nowadays free-oscillation and longwave analysis are performed mostly through numerical simulations and hydraulic laboratory modelling (Beltrami et al, 2003;Bellotti, 2007;Luick and Hinwood, 2008;Bellotti et al, 2012;Hinwood and Luick, 2012;Lopez et al, 2012;Guerrini et al, 2014). The main goal in harbor and port engineering studies is to design breakwaters, wharves and quays that are able to withstand the meteo-marine-induced wave conditions as well as current conditions and to design berths and quays such that the moored vessel movements of various types would enable sufficient yearly operability of the vessels at berth during loading or unloading operations.…”

Section: Introductionmentioning

confidence: 99%

Statistical properties of coastal long waves analysed through sea-level time-gradient functions: exemplary analysis of the Siracusa, Italy, tide-gauge data

Bressan

Tinti

2016

Nat. Hazards Earth Syst. Sci.

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Abstract. This study presents a new method to analyse the properties of the sea-level signal recorded by coastal tide gauges in the long wave range that is in a window between wind/storm waves and tides and is typical of several phenomena like local seiches, coastal shelf resonances and tsunamis. The method consists of computing four specific functions based on the time gradient (slope) of the recorded sea level oscillations, namely the instantaneous slope (IS) as well as three more functions based on IS, namely the reconstructed sea level (RSL), the background slope (BS) and the control function (CF). These functions are examined through a traditional spectral fast Fourier transform (FFT) analysis and also through a statistical analysis, showing that they can be characterised by probability distribution functions PDFs such as the Student's t distribution (IS and RSL) and the beta distribution (CF). As an example, the method has been applied to data from the tide-gauge station of Siracusa, Italy.

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Water levels in a dual-basin harbour in response to infragravity and edge waves

Cited by 13 publications

References 14 publications

Observations of infragravity period oscillations in a small marina

Observations of infragravity period oscillations in a small marina

Investigation of Infragravity Waves Dependency on Wind Waves for Breaking and Nonbreaking Conditions in the Sandy Beaches of Southern Caspian Sea (Nowshahr Port)

Statistical properties of coastal long waves analysed through sea-level time-gradient functions: exemplary analysis of the Siracusa, Italy, tide-gauge data

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