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Coastal Vulnerability Assessment of Channel Islands National Park to Sea-Level Rise, USGS Open-File Report 2005-1057

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 Channel Islands National Park 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 indication of where physical changes are most likely to occur as sea level continues to rise; and

2) as a planning tool for the Channel Islands National Park.

As ranked in this study, geomorphology, regional coastal slope and mean significant wave height and are the most important variables in determining the spatial variability of the CVI for Channel Islands. Tidal range and shoreline change rate do not contribute to the spatial variability in the coastal vulnerability index.

Channel Islands National Park preserves a dynamic natural environment, which must be understood in order to be managed properly. The CVI is one way that park managers 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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