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Potential landward migration of coastal wetlands in response to sea-level rise within estuarine drainage areas and coastal states of the conterminous United States

Dates

Publication Date
Start Date
2011
End Date
2016

Citation

Chivoiu, B., Osland, M.J., Enwright, N.M., Thorne,K.M., Guntenspergen, G.R., Grace, J.B., and Dale, L.L., 2022, Potential landward migration of coastal wetlands in response to sea-level rise within estuarine drainage areas and coastal states of the conterminous United States: U.S. Geological Survey data release, https://doi.org/10.5066/P96D1J6Z.

Summary

We quantified the potential area available for landward migration of tidal saline wetlands and freshwater wetlands due to sea-level rise (SLR) at the estuary scale for 166 estuarine drainage areas and at the state scale for 22 coastal states and District of Columbia. We used 2016 Coastal Change Analysis Program (C-CAP) data in combination with the future wetland migration data under the 1.5 m global SLR scenario to evaluate the potential for wetland migration into all the individual C-CAP classes and into the following six land cover categories: (1) freshwater forest (wetland); (2) freshwater marsh (wetland); (3) terrestrial forest (upland); (4) terrestrial grassland (upland); (5) agricultural croplands (upland); and (6) pasture (upland). [...]

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Attached Files

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ConUS_CostalWetlandMigrationData_byEDA.xlsx 72.58 KB application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
ConUS_CostalWetlandMigrationData_byState.xlsx 30.86 KB application/vnd.openxmlformats-officedocument.spreadsheetml.sheet

Purpose

While ecosystem collapse and conversion to open water is expected for many coastal wetlands under sea-level rise, some coastal wetlands have the potential to adapt to rising seas by moving landward into adjacent ecosystems. However, the potential for wetland landward migration has typically been quantified at small spatial scales and without explicit consideration of the transformative impacts to adjacent ecosystems. Here, we elucidate macroscale differences in potential wetland migration across the conterminous United States.

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DOI https://www.sciencebase.gov/vocab/category/item/identifier doi:10.5066/P96D1J6Z

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