Modeling Storm Surge and its Associated Inland Inundation Extent Due to Very Severe Cyclonic Storm Phailin

Kumar, T. Srinivasa; Murty, P.L.N.; Kumar, Muneedra; Kumar, Manish; Padmanabham, J.; Nimit, Kumar; Shenoi, Satheesh C.; Mohapatra, M.; Nayak, Shailesh; Mohanty, P. C.

doi:10.1080/01490419.2015.1053640

Cited by 30 publications

(7 citation statements)

References 22 publications

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“…The most important of these ingredients is an accurate bathymetry and topography (Krien et al, 2016(Krien et al, , 2017Murty et al, 1986). Second, it is required to have a large-scale modelling domain comprising the whole Ganges-Brahmaputra-Meghna (GBM) estuarine network (Johns and Ali, 1980;Oliveira et al, 2020) at a high-enough model resolution (Krien et al, 2017;Kuroda et al, 2010). The modelling framework is required to simulate tide and surge together to account for the tide-surge interactions (As-Salek and Yasuda, 2001;Johns and Ali, 1980;Kuroda et al, 2010;Murty et al, 1986).…”

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confidence: 99%

“…Second, it is required to have a large-scale modelling domain comprising the whole Ganges-Brahmaputra-Meghna (GBM) estuarine network (Johns and Ali, 1980;Oliveira et al, 2020) at a high-enough model resolution (Krien et al, 2017;Kuroda et al, 2010). The modelling framework is required to simulate tide and surge together to account for the tide-surge interactions (As-Salek and Yasuda, 2001;Johns and Ali, 1980;Kuroda et al, 2010;Murty et al, 1986). Furthermore, an online coupling of the hydrodynamics and the short waves is also necessary to account for the wave set-up (Deb and Ferreira, 2016;Krien et al, 2017).…”

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confidence: 99%

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Towards an efficient storm surge and inundation forecasting system over the Bengal delta: chasing the Supercyclone Amphan

Khan

Durand

Bertin

et al. 2021

Nat. Hazards Earth Syst. Sci.

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Abstract. The Bay of Bengal is a well-known breeding ground to some of the deadliest cyclones in history. Despite recent advancements, the complex morphology and hydrodynamics of this large delta and the associated modelling complexity impede accurate storm surge forecasting in this highly vulnerable region. Here we present a proof of concept of a physically consistent and computationally efficient storm surge forecasting system tractable in real time with limited resources. With a state-of-the-art wave-coupled hydrodynamic numerical modelling system, we forecast the recent Supercyclone Amphan in real time. From the available observations, we assessed the quality of our modelling framework. We affirmed the evidence of the key ingredients needed for an efficient, real-time surge and inundation forecast along this active and complex coastal region. This article shows the proof of the maturity of our framework for operational implementation, which can particularly improve the quality of localized forecast for effective decision-making over the Bengal delta shorelines as well as over other similar cyclone-prone regions.

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confidence: 99%

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confidence: 99%

Towards an efficient storm surge and inundation forecasting system over the Bengal delta: chasing the Supercyclone Amphan

Khan

Durand

Bertin

et al. 2021

Nat. Hazards Earth Syst. Sci.

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show abstract

“…() and Srinivasa Kumar et al . (). These study attempts to generate various possible scenarios of storm surge and inundation data using the state‐of‐the‐art ADCIRC (advanced circulation) model with various combinations of cyclone parameters on the synthetic tracks.…”

Section: Introductionmentioning

confidence: 97%

A comprehensive data set for tropical cyclone storm surge‐induced inundation for the east coast of India

Sahoo

Bhaskaran

2017

Intl Journal of Climatology

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ABSTRACT:The Indian Ocean region is one among the six major cyclone prone regions in the world with an annual average of about five to six cyclones. Prior studies conducted for this region are location-specific and confined to storm surge characteristic and associated inundation. A detailed study to develop precomputed scenarios on storm surge and inundation maps for the entire Indian coast is still lacking for emergency preparedness. An effort in this direction can drastically reduce preparedness time in the eventuality of a real cyclone approaching its landfall location for effective coastal zone management measures. The present study is a motivation in this direction leading to the generation of a comprehensive data set on storm surges and associated coastal flooding for entire Odisha coast located in the east coast of India and that can be extended to other coastal regions as well. Historically, the Odisha State experiences highest number of cyclone strikes with the highest risk of exposure to storm surge and inundation. The novelty of this study is in the preparation of a comprehensive storm data set using synthetic tracks simulated with various combinations of landfall location, angle of attack, intensity, and forward translation speed. It also generates possible storm surge and inundation associated with intensified cyclones expected in a changing climate scenario. Further, the study also correlates power dissipation index with storm tide all along this coast. The distribution of surge height follows a third-order polynomial to wind speed. An in-depth analysis was also carried out to understand the characteristics of storm surge height and extent of coastal inundation with respect to coastal geomorphology, angle of attack, and varying forward speed of cyclones. The authors believe that information and analysis from this comprehensive data set will have immense potential in understanding the impacts from tropical cyclone climatology and disaster management applications.

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“…The Figure 3 c illustrates the enlarged view on the extent of maximum horizontal inundation with the Phailin cyclone. Sreenivasa Kumar et al 20 reported that the maximum inundation extent of about 430 m occurred neared Ganjam for Phailin cyclone (Figure 3 c). Their study showed that the modelled inundation extent varied between 50 and 430 m, and increased over regions where the topographical slope was less than 1 : 100, and post-storm survey data at 29 coastal stations were used to validate the model-simulated inundation extent 20 .…”

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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Modeling Storm Surge and its Associated Inland Inundation Extent Due to Very Severe Cyclonic Storm Phailin

Cited by 30 publications

References 22 publications

Towards an efficient storm surge and inundation forecasting system over the Bengal delta: chasing the Supercyclone Amphan

Towards an efficient storm surge and inundation forecasting system over the Bengal delta: chasing the Supercyclone Amphan

A comprehensive data set for tropical cyclone storm surge‐induced inundation for the east coast of India

Coastal Inundation Research:An overview of the Process

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