Skip to main content

Projected sea-level rise flooding inundation extents for +0.25, +0.50, +1.00, +1.50, +2.00, and +3.00 meter sea-level rise scenarios in American Samoa

Dates

Publication Date
Time Period
2024-03-15

Citation

Alkins, K.C., Lasserre, G., Reguero, B.G, Storlazzi, C.D., and Fregoso, T., 2024, Projected coastal flooding extents and depths for 1-, 20-, and 100-year return interval storms and 0.00, +0.25, +0.50, +1.00, +1.50, +2.00, and +3.00 meter sea-level rise scenarios in the Hawaiian, Mariana, and American Samoan Islands (ver. 2.0, September 2024): U.S. Geological Survey data release, https://doi.org/10.5066/P9RIQ7S7.

Summary

This data release provides flooding extent polygons based on sea-level rise (SLR) water levels for the coast of American Samoa's most populated islands of Tutuila, Ofu-Olosega, and Ta'u. Digital elevation models were used to predict SLR flooding extents for +0.25 m, +0.50 m, +1.00 m, +1.50 m, +2.00 m, and +3.00 m SLR scenarios.

Contacts

Attached Files

Click on title to download individual files attached to this item.

SLR_Ofu_extents.zip 27.12 KB application/zip
SLR_Tau_extents.zip 21.58 KB application/zip
SLR_Tutuila_extents.zip 263.66 KB application/zip

Purpose

These flood extent files were created to evaluate coastal flooding in the most populated American Samoan Islands of Tutuila, Ofu-Olosega, and Ta'u due to climate change influenced SLR. The data are intended to help identify areas where management and/or restoration could potentially help reduce the risk to, and increase the resiliency of, the coastal communities in the populated in American Samoa. The data can be used with geographic information systems (GIS) software for research purposes.

Item Actions

View Item as ...

Save Item as ...

View Item...