ANALISIS PERUBAHAN GARIS PANTAI JANGKA PANJANG BERBASIS SISTEM INFORMASI GEOGRAFIS DI PESISIR BAGIAN TIMUR KABUPATEN LEBAK

    Neng Evi Ratna, - (2025) ANALISIS PERUBAHAN GARIS PANTAI JANGKA PANJANG BERBASIS SISTEM INFORMASI GEOGRAFIS DI PESISIR BAGIAN TIMUR KABUPATEN LEBAK. S1 thesis, Universitas Pendidikan Indonesia.

    Abstract

    Wilayah pesisir Kabupaten Lebak telah mengalami peningkatan pemanfaatan lahan pesisir yang cukup intensif khususnya tiga kecamatan di bagian timur seperti berdirinya bangunan dermaga khusus industri, peningkatan aktivitas pariwisata, serta adanya aktivitas galian pasir pantai yang berdampak pada perubahan garis pantai, ditandai oleh terjadinya fenomena abrasi dan akresi sehingga perlu dilakukan pengamatan mengenai transformasi garis pantainya. Penelitian ini bertujuan untuk menganalisis tingkat perubahan garis pantai tahun 2008-2024 beserta prediksi kondisi garis pantai tahun 2034 dan menganalisis bentuk adaptasi yang telah dilakukan masyarakat serta pemerintah setempat. Metode Digital Shoreline Analysis System (DSAS) digunakan untuk menganalisis perubahan dan prediksi garis pantai melalui perhitungan statistik NSM, EPR, LRR dan Kalman filter. Bentuk adaptasi masyarakat diperoleh menggunakan wawancara dan observasi. Hasil penelitian menunjukan selama tahun 2008-2024 wilayah pesisir bagian timur Kabupaten Lebak mengalami penambahan luas daratan sebesar 106.87 Ha dengan rata-rata jarak dan laju perubahannya mencapai 32.41 meter dan 2.03 m/tahun, dimana akresi tertinggi terjadi di Kecamatan Bayah sebesar 45.33 meter dan 2.84 m/tahun. Kondisi garis pantai tahun 2034 diprediksi akan mengalami akresi dengan rata-rata jarak dan laju perubahannya mencapai 17.39 meter dan 1.75 m/tahun, akresi tertinggi akan terjadi di Kecamatan yang sama dengan jarak dan laju perubahan sebesar 23.67 meter dan 2.37 m/tahun. Adapun bentuk adaptasi yang dilakukan masyarakat dan pemerintah terhadap dampak perubahan garis pantai melalui penerapan pola adaptasi fisik secara struktural dengan kegiatan penanaman vegetasi pantai, membangun tanggul dan bronjong; menggeser area tambatan kapal, serta memanfaatkan lahan hasil akresi untuk pertanian dan lapangan olahraga. The coastal area of Lebak Regency has experienced significant land use intensification, particularly in three eastern sub-districts, marked by the establishment of industrial-specific piers, increased tourism activities, and sand mining activities that have impacted shoreline changes, indicated by the phenomena of abrasion and accretion. This study aims to analyze the rate of shoreline changes from 2008-2024 and predict the shoreline condition in 2034, as well as analyze the adaptation measures taken by the community and local government. The Digital Shoreline Analysis System (DSAS) method is used to analyze and predict shoreline changes through statistical calculations of NSM, EPR, LRR, and Kalman filter. Community adaptation measures are obtained through interviews and observations. The study results show that from 2008-2024, the eastern coastal area of Lebak Regency experienced an increase in land area by 106.87 hectares, with an average distance and rate of change reaching 32.41 meters and 2.03 meters/year, with the highest accretion occurring in Bayah Sub-district at 45.33 meters and 2.84 meters/year. The shoreline condition in 2034 is predicted to experience accretion with an average distance and rate of change reaching 17.39 meters and 1.75 meters/year, with the highest accretion occurring in the same sub-district at 23.67 meters and 2.37 meters/year. The adaptation measures taken by the community and government to address the impacts of shoreline changes include the implementation of structural physical adaptation patterns such as planting coastal vegetation, building embankments and gabions, shifting boat mooring areas, and utilizing accreted land for agriculture and sports fields.

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    Official URL: https://repository.upi.edu/
    Item Type: Thesis (S1)
    Additional Information: https://scholar.google.com/citations?view_op=new_profile&hl=id&authuser=4 ID SINTA Dosem Pembimbing: La Ode Alam Minsaris: 6760517 Luthfi Anzani: 6721957
    Uncontrolled Keywords: Abrasi, Adaptasi, Akresi, DSAS, Prediksi. Abrasion, Accretion, Adaptation, DSAS, Prediction
    Subjects: G Geography. Anthropology. Recreation > G Geography (General)
    G Geography. Anthropology. Recreation > GC Oceanography
    L Education > L Education (General)
    Divisions: UPI Kampus Serang > S1 Sistem Informasi Kelautan
    Depositing User: Neng Evi Ratna
    Date Deposited: 16 Jun 2025 07:51
    Last Modified: 16 Jun 2025 07:51
    URI: http://repository.upi.edu/id/eprint/130640

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