Abstract

A method has been developed and tested for mapping shoreline changes using an orthogonal grid system and historical aerial photography. Our data base now includes rates and variances of shoreline change and storm-surge penetration at 100-m intervals along the coast for 630 km between New Jersey and North Carolina. Analysis of the data shows that the average rate of shoreline recession is 1.5 m/yr; however, variance along the 630-km reach is high, with rates of as much as 10 m/yr for the Virginia barrier islands.

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