Rachmad Riansyah, 22314166 (2026) DETEKSI PERUBAHAN GARIS PANTAI MENGGUNAKAN METODE DSAS DAN KESESUAIANNYA TERHADAP SEMPADAN PANTAI DI WILAYAH PESISIR KECAMATAN PURING KABUPATEN KEBUMEN. Diploma thesis, Politeknik Agraria STPN.
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Abstract
Shoreline change is one of the most critical issues globally, closely related to climate change, coastal zone management, and sea level rise. The coastal area of Puring District, which borders the Indian Ocean directly, exhibits a relatively high rate of sea level rise, thereby posing a significant potential for shoreline change. This study aims to analyze shoreline changes occurring in the coastal area of Puring District from 2016 to 2025 and to assess their conformity with the applicable coastal boundary regulations. The method employed in this study is descriptive quantitative with a spatial approach. Shoreline change analysis was conducted using the Digital Shoreline Analysis System (DSAS) method, preceded by an accuracy assessment using Root Mean Square Error (RMSE) and correction to Mean Sea Level (MSL). An overlay technique was also applied to determine the conformity of the shoreline change analysis results from 2016 to 2025 with the prevailing coastal setback boundaries. The results reveal the dynamics of both abrasion and accretion with varying degrees of change ranging from minor to very severe, yet dominated by accretion processes. The highest shoreline change values reached −23.70 m (abrasion) and 48 m (accretion), with average rates of −2.57 m/year (abrasion) and 5.2 m/year (accretion), respectively, recorded in Tambakmulyo Village. Meanwhile, Waluyorejo Village experienced the lowest changes, with values of −9.71 m (abrasion) and 36.08 m (accretion) and rates of −1.05 m/year (abrasion) and 3.91 m/year (accretion). The overlay analysis of shoreline changes against the applicable coastal setback boundaries indicates that the shoreline changes that occurred remain within the designated limits (<100 m), and are therefore spatially consistent with the prevailing regulations. Keywords: shoreline change, DSAS, abrasion, accretion, coastal setback
| Item Type: | Thesis (Diploma) |
|---|---|
| Subjects: | H Social Sciences > HD Industries. Land use. Labor > HD29 Pertanahan |
| Divisions: | Prodi Diploma IV Pertanahan |
| Depositing User: | yosep ka perpus |
| Date Deposited: | 29 Jun 2026 02:43 |
| Last Modified: | 29 Jun 2026 02:43 |
| URI: | http://repository.stpn.ac.id/id/eprint/4824 |
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