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Coastal Vulnerability Assessment of Assateague Island National Seashore (ASIS) to Sea-Level Rise, USGS Open-File Report 2004-1020

Map of Coastal Vulnerability

Skip past contents informationTable of Contents link to Title Page Link to Abstract Page Link to Introduction Page Link to Data Ranking Page Link to Assateague Island National Seashore Link to Methology Page Link to Geologic Variables Page Link to Physical Process Variables Page Link to Calculating the Vulnerability Index Page Link to Results Page Link to Discussion Page Link to Conclusions Page Link to References Page


The coastal vulnerability index (CVI) provides insight into the relative potential of coastal change due to future sea-level rise. The maps and data presented here can be viewed in at least two ways:

1) as an example of where physical changes are most likely to occur as sea-level rises; and

2) as a planning tool for the Assateague Island National Seashore.

As ranked in this study, geomorphology, shoreline change, and significant wave height are the most important variables in determining the CVI for Assateague Island. Tide range, coastal slope, and sea-level rise do not contribute to the spatial variability in the coastal vulnerability index.

Assateague preserves a dynamic natural environment, which must be understood in order to be managed properly. The CVI is one way that a park can assess objectively the natural factors that contribute to the evolution of the coastal zone, and thus how the park may evolve in the future.

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