Coastal Hazards

This web-based Digital Shoreline Analysis System (DSASweb) is a software application that enables a user to calculate shoreline rate-of-change statistics from multiple historical shoreline positions.

A user-friendly interface of simple buttons and menus guides the user through the major steps of shoreline change analysis.

You can use our current database of shorelines, or upload your own.

DSASweb is a convenient, web-based version of the original USGS DSAS analysis tool.

Shorelines

Baseline

Transects

Review/Calculate

% (50-100)

Results

Download Results

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