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Projections of coastal flood hazards and flood potential for North Carolina and South Carolina

Projected impacts by compound coastal flood hazards for future sea-level rise (SLR) and storm scenarios are shown for North Carolina and South Carolina. Accompanying uncertainty for each SLR and storm scenario, indicating total uncertainty from model processes and contributing datasets, are illustrated in maximum and minimum flood potential. As described by Nederhoff and others (2024), projections were made using a system of numerical models driven by output from Global Climate Models (GCMs) from the Coupled Model Intercomparison Project Phase 6 (CMIP6) and a tropical cyclone database from US Army Corp of Engineers. The resulting data products include detailed flood-hazard maps along the North Carolina and South Carolina coast due to sea level rise and plausible future storm conditions that consider the changing climate, hurricanes, and natural variability. In addition to sea-level rise, flood simulations run by these numerical models included dynamic contributions from tide, storm surge, wind, waves, river discharge, precipitation, and seasonal sea-level fluctuations. Outputs include impacts from combinations of SLR scenarios (0, 0.25, 0.5, 1.0, 1.5, 2.0, and 3.0 m) storm conditions including 1-year, 20-year and 100-year return interval storms and a background condition (no storm - astronomic tide and average atmospheric conditions).

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Author(s) Patrick Barnard orcid, Kevin M. Befus, Anita C Engelstad orcid, Li Erikson orcid, Amy Foxgrover orcid, Daniel J Hoover orcid, Tim Leijnse orcid, Chris Massey, Robert McCall orcid, Norberto Nadal-Caraballo, Kees Nederhoff, Leonard Ohenhen, Andrea O'Neill orcid, Kai A Parker orcid, Manoocher Shirzaei, Xinyue Su, Jennifer A Thomas orcid, Maarten van Ormondt orcid, Sean F Vitousek orcid, Kilian Vos
Publication Date 2023-01-28
Beginning Date of Data 2023
Ending Date of Data 2023
Data Contact
DOI https://doi.org/10.5066/P9W91314
Citation Barnard, P., Befus, K.M., Engelstad, A.C., Erikson, L., Foxgrover, A., Hoover, D.J., Leijnse, T., Massey, C., McCall, R., Nadal-Caraballo, N., Nederhoff, K., Ohenhen, L., O'Neill, A., Parker, K.A., Shirzaei, M., Su, X., Thomas, J.A., Ormondt, M.v., Vitousek, S.F., and Vos, K., 2023, Projections of coastal flood hazards and flood potential for North Carolina and South Carolina: U.S. Geological Survey data release, https://doi.org/10.5066/P9W91314.
Metadata Contact
Metadata Date 2024-05-23
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License http://www.usa.gov/publicdomain/label/1.0/
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Harvest Source: Coastal and Marine Geoscience Data System
Harvest Date: 2025-01-22T04:21:20.072Z