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      Pemetaan Perubahan Garis Pantai di Kecamatan Cilamaya Kulon Kabupaten Karawang Menggunakan Citra Sentinel-2A

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      Date
      2026
      Author
      SALSABILA, ANISSA
      Siregar, Vincentius P.
      Panjaitan, James Parlindungan
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      Abstract
      Kecamatan Cilamaya Kulon mengalami abrasi dan akresi yang cukup signifikan akibat faktor alami dan atropogenik. Penelitian ini bermaksud guna mengetahui dan memetakan laju perubahan garis pantai di Kecamatan Cilamaya Kulon menggunakan citra Sentinel-2A pada tahun 2016–2025. Ekstraksi garis pantai dilakukan menggunakan metode Modified Normalized Difference Water Index (MNDWI), Automated Water Extraction Index (AWEI), dan false color composite. Analisis perubahan garis pantai dilakukan menggunakan metode QSCAT dengan menghasilkan nilai Net Shoreline Movement (NSM) dan End Point Rate (EPR). Hasil analisis menunjukkan pesisir Kecamatan Cilamaya Kulon mengalami dinamika perubahan garis pantai yang fluktuatif dengan kombinasi abrasi dan akresi yang bervariasi antardesa dan periode. Pada periode 2016–2020, Desa Pasirjaya didominasi oleh abrasi dengan laju 0,03–16,43 m/tahun, sedangkan Desa Sukajaya didominasi oleh akresi sangat berat hingga 199,75 m akibat rehabilitasi mangrove sejak 2014. Pada periode 2020–2025, abrasi mendominasi seluruh wilayah kajian yang dikaitkan dengan banjir rob dan cuaca ekstrem. Secara kumulatif periode 2016–2025, Desa Pasirjaya mengalami abrasi dominan dengan kemunduran hingga 140,35 m, sedangkan Desa Sukajaya didominasi oleh akresi dengan penambahan daratan hingga 185,32 m. Dinamika perubahan garis pantai ini dipengaruhi oleh faktor oseanografi dan kondisi geografi.
       
      Cilamaya Kulon district has experienced significant coastal abrasion and accretion due to natural and anthropogenic factors. This study aims to determine and map the rate of coastal change in the Cilamaya Kulon district using Sentinel-2A imagery from 2016 to 2025. Shoreline extraction was performed using the Modified Normalized Difference Water Index (MNDWI), Automated Water Extraction Index (AWEI), and false color composite. Shoreline change analysis was conducted using the QSCAT, resulting in Net Shoreline Movement (NSM) and End Point Rate (EPR). The analysis results indicate that the coastline of Cilamaya Kulon district exhibits fluctuating dynamics of shoreline change, with varying combinations across villages and time periods. During the 2016–2020 period, Pasirjaya Village was dominated by abrasion at a rate of 0.03–16.43 m/year, while Sukajaya Village was dominated by very heavy accretion of up to 199.75 m due to mangrove rehabilitation since 2014. During the 2020–2025 period, abrasion dominated the study area, driven by tidal flooding and extreme weather. Cumulatively for the 2016–2025 period, Pasirjaya Village experienced dominant abrasion up to 140.35 m, while Sukajaya Village was dominated by accretion up to 185.32 m. Oceanographic factors and geographic conditions influence the dynamics of these shoreline changes.
       
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      http://repository.ipb.ac.id/handle/123456789/175725
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      • UF - Marine Science And Technology [2145]

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      Copyright © 2020 Library of IPB University
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      Contact Us | Send Feedback
      Indonesia DSpace Group 
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