摘要：This study presents measurement of changes using image processing techniques, Digital Shoreline Analysis System (DSAS) and Landsat images along the coast of the island of Djerba, Tunisia. Three regions of this island were selected: Rass Errmall, El Kastil and Aghir. Accretions as well as erosion processes were observed in the study areas between 1984 and 2009. The average of the erosion was around -6.95 m/yr in Aghir. The average of erosion is around -4.09 m/yr and accretion trend is around +11.7 m/yr in Rass Errmall. El kestil was under a remarkable accretion with 21.14 m/yr during the same period.
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