Analysis of Coastline Change in Klungkung Regency

Abstract

Visual interpretation of remote sensing data is very popular and widely used to detect, extract and monitor changes in shoreline. Commonly used satellite images include: IRS, Landsat TM and ETM +, IKONOS, Quickbird, Worldview2 and Geoeye-1. To find out the changes in coastline and coastal erosion rates in Klungkung regency was carried out by comparing two satellite images, namely SPOT 5 satellite image data in 2009 having a spatial resolution of 10 m and SPOT 6/7 in 2015 which resolution up to 1.5 m with digital on screen extraction method. This research contributes to local government and central government as basic data in making decisions for handling coastal areas. The average shoreline change that occurs in Klungkung regency is 22.15 m, while the average coastal erosion rate in Klungkung regency is 3.16 m/year.