Impacts of Hurricane Storm Surge on Infrastructure Vulnerability for an Evolving Coastal Landscape

Katherine A. Anarde, Sabarethinam Kameshwar, John N. Irza, Jeffrey A. Nittrouer, Jorge Lorenzo Trueba, Jamie E. Padgett, Antonia Sebastian, Philip B. Bedient

Research output: Contribution to journalArticleResearchpeer-review

5 Citations (Scopus)

Abstract

Predicting coastal infrastructure reliability during hurricane events is important for risk-based design and disaster planning, including delineating viable emergency response routes. Previous research has focused on either infrastructure vulnerability to sea-level rise and coastal flooding, or the impact of changing sea level and landforms on surge dynamics. This paper represents a multidisciplinary effort to provide an integrative model of the combined impacts of sea-level rise, landscape changes, and coastal flooding on the vulnerability of highway bridges - the only access points between barrier islands and mainland communities - during extreme storms. Coastal flooding is forward modeled for static projections of geomorphic change. First-order parameters that are adjusted include sea level and land surface elevation. These parameters are varied for each storm simulation to evaluate relative impact on the performance of bridges surrounding Freeport, Texas. Vulnerability is estimated by evaluating both the probability of structural failure given surge and wave loads as well as the time inundated. The probability of bridge failure is found to increase with storm intensity and sea level because bridge fragility increases with storm surge height. The impact of a shifting landscape on bridge accessibility is more complex; barrier island erosion and transgression can increase, decrease, or produce no change in inundation times for storms of different intensity due to changes in wind-setup and back-bay interactions. These results suggest that tying down bridge spans and elevating low-lying roadways approaching bridges may enhance efforts aimed at protecting critical infrastructure.

Original languageEnglish
Article number04017020
JournalNatural Hazards Review
Volume19
Issue number1
DOIs
StatePublished - 1 Feb 2018

Fingerprint

Hurricanes
storm surge
hurricane
Sea level
vulnerability
infrastructure
flooding
barrier island
sea level
Landforms
hurricane event
Critical infrastructures
Highway bridges
projection
erosion
disaster
landscape change
Disasters
Erosion
accessibility

Keywords

  • ADVanced CIRCulation (ADCIRC)
  • Barrier island
  • Bridges
  • Coastal erosion
  • Sea-level rise
  • Simulating WAves Nearshore (SWAN)
  • Storm surge fragility

Cite this

Anarde, K. A., Kameshwar, S., Irza, J. N., Nittrouer, J. A., Lorenzo Trueba, J., Padgett, J. E., ... Bedient, P. B. (2018). Impacts of Hurricane Storm Surge on Infrastructure Vulnerability for an Evolving Coastal Landscape. Natural Hazards Review, 19(1), [04017020]. https://doi.org/10.1061/(ASCE)NH.1527-6996.0000265
Anarde, Katherine A. ; Kameshwar, Sabarethinam ; Irza, John N. ; Nittrouer, Jeffrey A. ; Lorenzo Trueba, Jorge ; Padgett, Jamie E. ; Sebastian, Antonia ; Bedient, Philip B. / Impacts of Hurricane Storm Surge on Infrastructure Vulnerability for an Evolving Coastal Landscape. In: Natural Hazards Review. 2018 ; Vol. 19, No. 1.
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Anarde, KA, Kameshwar, S, Irza, JN, Nittrouer, JA, Lorenzo Trueba, J, Padgett, JE, Sebastian, A & Bedient, PB 2018, 'Impacts of Hurricane Storm Surge on Infrastructure Vulnerability for an Evolving Coastal Landscape', Natural Hazards Review, vol. 19, no. 1, 04017020. https://doi.org/10.1061/(ASCE)NH.1527-6996.0000265

Impacts of Hurricane Storm Surge on Infrastructure Vulnerability for an Evolving Coastal Landscape. / Anarde, Katherine A.; Kameshwar, Sabarethinam; Irza, John N.; Nittrouer, Jeffrey A.; Lorenzo Trueba, Jorge; Padgett, Jamie E.; Sebastian, Antonia; Bedient, Philip B.

In: Natural Hazards Review, Vol. 19, No. 1, 04017020, 01.02.2018.

Research output: Contribution to journalArticleResearchpeer-review

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AU - Anarde, Katherine A.

AU - Kameshwar, Sabarethinam

AU - Irza, John N.

AU - Nittrouer, Jeffrey A.

AU - Lorenzo Trueba, Jorge

AU - Padgett, Jamie E.

AU - Sebastian, Antonia

AU - Bedient, Philip B.

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KW - Barrier island

KW - Bridges

KW - Coastal erosion

KW - Sea-level rise

KW - Simulating WAves Nearshore (SWAN)

KW - Storm surge fragility

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