Performance and validation of a coupled parallel ADCIRC–SWAN model for THANE cyclone in the Bay of Bengal

Bhaskaran, Prasad K.; Nayak, Sunita; Bonthu, Subba Reddy; Murty, P.L.N.; Sen, Debabrata

doi:10.1007/s10652-013-9284-5

Cited by 101 publications

(38 citation statements)

References 27 publications

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“…The spectral space in SWAN is discretized using 40 frequencies and 36 directions. ADCIRC-SWAN has been validated against measured waves and storm surges during several historical storms (Dietrich et al, 2011a(Dietrich et al, , b, 2012Bhaskaran et al, 2013), such as Katrina and Rita (2005), Gustav and Ike (2008), and Thane (2011). It has been used in a large variety of studies on hurricane storm surge worldwide (e.g.…”

Section: Adcirc-swan Modelmentioning

confidence: 99%

Probabilistic hurricane-induced storm surge hazard assessment in Guadeloupe, Lesser Antilles

Krien

Dudon

Roger

et al. 2015

Nat. Hazards Earth Syst. Sci.

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Abstract. Current storm surge hazard maps in the French West Indies are essentially based on simple statistical methods using limited historical data and early low-resolution models which do not take the effect of waves into account. In this paper, we infer new 100-year and 1000-year surge levels in Guadeloupe from the numerical modelling of storm surges induced by a large set of synthetic events that are in statistical agreement with features of historical hurricanes in the North Atlantic Basin between 1980 and 2011. Computations are performed using the wave-current coupled model ADCIRC-SWAN with high grid resolutions (up to 40-60 m) in the coastal and wave dissipation areas. This model is validated against observations during past events such as hurricane HUGO (1989). Results are generally found to be in reasonable agreement with past studies in areas where surge is essentially wind-driven, but found to differ significantly in coastal regions where the transfer of momentum from waves to the water column constitutes a non-negligible part of the total surge. The methodology, which can be applied to other islands in the Lesser Antilles, allows storm surge level maps to be obtained that can be of major interest for coastal planners and decision makers in terms of risk management.

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Section: Adcirc-swan Modelmentioning

confidence: 99%

Probabilistic hurricane-induced storm surge hazard assessment in Guadeloupe, Lesser Antilles

Krien

Dudon

Roger

et al. 2015

Nat. Hazards Earth Syst. Sci.

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“…A comprehensive review on the coastal inundation research and an overview of the processes for the Indian coast was reported by Gayathri et al (2017). One can find very few studies reported using a coupled model (ADCIRC with SWAN) for the Indian seas (Bhaskaran et al, 2013;Murty et al, 2014Murty et al, , 2016Poulose et al, 2017) for extreme weather events. These studies examined the performance of coupled models and role of improved wind forcing on waves and hydrodynamic conditions.…”

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confidence: 99%

Wave–current interaction during Hudhud cyclone in the Bay of Bengal

Volvaiker¹,

Vethamony²,

Antony³

et al. 2017

Nat. Hazards Earth Syst. Sci.

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Abstract. The present work describes the interaction between waves and currents utilizing a coupled ADCIRC+SWAN model for the very severe cyclonic storm Hudhud, which made landfall at Visakhapatnam on the east coast of India in October 2014. Model-computed wave and surge heights were validated with measurements near the landfall point. The Holland model reproduced the maximum wind speed of ≈ 54 m s −1 with the minimum pressure of 950 hPa. The modelled maximum surge of 1.2 m matches with the maximum surge of 1.4 m measured off Visakhapatnam. The two-way coupling with SWAN showed that waves contributed ≈ 0.25 m to the total water level during the Hudhud event. At the landfall point near Visakhapatnam, the East India Coastal Current speed increased from 0.5 to 1.8 m s −1 for a short duration (≈ 6 h) with net flow towards the south, and thereafter reversed towards the north. An increase of ≈ 0.2 m in H s was observed with the inclusion of model currents. It was also observed that when waves travelled perpendicular to the coast after crossing the shelf area, with current towards the southwest, wave heights were reduced due to wave-current interaction; however, an increase in wave height was observed on the left side of the track, when waves and currents opposed each other.

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“…Sandhya et al 93 reported on the importance of an operational wave-forecasting system and its validation for a coastal location in India. Further progress in inland inundation modelling was made by Bhaskaran et al 21,22 using a version of ADCIRC in a coupled wave-hydrodynamic model (ADCIRC + SWAN), that runs in a parallel computing architecture. This coupled model simulated peak surge and coastal inundation along Tamil Nadu coast due to a very severe tropical cyclone (Thane) in the Bay of Bengal.…”

Section: Progress In Inundation Modelling For the Indian Subcontinentmentioning

confidence: 99%

“…14 for more details. The recent studies on storm surge modelling and coastal flooding for the east coast of India include a coupled hydrodynamic modelling system for very severe cyclones such as Phailin 19,20 , Thane 21,22 , Aila 23 . Compared to storm-surge events, the extent of flooding and destruction is extremely higher for tsunami events.…”

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confidence: 99%

Coastal Inundation Research:An overview of the Process

2017

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Coastal inundation is the flooding of coastal zone resulting from increased river discharge, spring tides, severe storms, or generation of powerful waves from tectonic activity (tsunami). This article discusses the critical factors that contribute to coastal inundation. Among the probable factors that cause coastal flooding and destruction, storm surge is the most frequent, and hence this article provides a detailed evaluation of the progress made in storm inundation research. Recent advances in coastal inundation modelling include efforts to understand the nonlinear dynamic interaction of near-shore waves, wind and atmospheric pressure with still water sea level and coastal currents, and their combined effects on storm surge along the coast and interaction with coastal morphology. An advanced storm-surge model comprises different modules, viz. an atmospheric component, and two ocean components for surge and wave simulations; these modules are coupled with each other. The nesting of regional coastal model with an ocean-wide model captures the far-field boundary forcing of extreme events that usually originate from the warm open ocean. Even though significant advancements reported on the efficiency and accuracy of storm surge and inundation prediction, further studies are required to understand the nonlinear interaction of storm surge with coastal landforms and their vegetation (land cover). In the context of rising sea level, increased tropical cyclone activity and rapid shoreline change, it is pertinent to evaluate the future flooding risk associated with landfall of tropical cyclones in densely populated coastal cities.

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Performance and validation of a coupled parallel ADCIRC–SWAN model for THANE cyclone in the Bay of Bengal

Cited by 101 publications

References 27 publications

Probabilistic hurricane-induced storm surge hazard assessment in Guadeloupe, Lesser Antilles

Probabilistic hurricane-induced storm surge hazard assessment in Guadeloupe, Lesser Antilles

Wave–current interaction during Hudhud cyclone in the Bay of Bengal

Coastal Inundation Research:An overview of the Process

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