Title

Dynamics of sea level rise and coastal flooding on a changing landscape

Authors

Authors

M. V. Bilskie; S. C. Hagen; S. C. Medeiros;D. L. Passeri

Comments

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Abbreviated Journal Title

Geophys. Res. Lett.

Keywords

sea level rise; storm surge; hydrodynamics; Hurricane Katrina; flooding; landscape; GULF-OF-MEXICO; STORM-SURGE; POTENTIAL IMPACT; CLIMATE-CHANGE; HURRICANES; LOUISIANA; WETLANDS; WAVES; ZONES; MODEL; Geosciences, Multidisciplinary

Abstract

Standard approaches to determining the impacts of sea level rise (SLR) on storm surge flooding employ numerical models reflecting present conditions with modified sea states for a given SLR scenario. In this study, we advance this paradigm by adjusting the model framework so that it reflects not only a change in sea state but also variations to the landscape (morphologic changes and urbanization of coastal cities). We utilize a numerical model of the Mississippi and Alabama coast to simulate the response of hurricane storm surge to changes in sea level, land use/land cover, and land surface elevation for past (1960), present (2005), and future (2050) conditions. The results show that the storm surge response to SLR is dynamic and sensitive to changes in the landscape. We introduce a new modeling framework that includes modification of the landscape when producing storm surge models for future conditions. Key Points Storm surge response to climate change impacts is dynamic A framework for constructing dynamic assessments of SLR is developed

Journal Title

Geophysical Research Letters

Volume

41

Issue/Number

3

Publication Date

1-1-2014

Document Type

Article

Language

English

First Page

927

Last Page

934

WOS Identifier

WOS:000332990500026

ISSN

0094-8276

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