AN ALTERNATIVE METHOD OF PREVENTING COASTAL EROSION IN KERASIAN ISLAND
Abstrak
Tahun 2013, Pulau Kerasian mengalami erosi yang mengakibatkan garis pantai berpindah 100 m dari kondisi awalnya. Di beberapa tempat, dinding penahan tanah rusak sehingga tidak berfungsi dengan baik. Suatu usaha diperlukan agar pantai tidak mengalami abrasi dan aman untuk berakrivitas penduduk dan turis yang datang ke sana. Sebelum memutuskan alternatif, pertama-tama, memilih dari beberapa metode untuk mencegah erosi pantai dengan metode Analytical Hierarchy Process (AHP). Berdasaran metode tersebut, groin yang dikombinasi dengan tanaman mangrove cocok diaplikasikan di pantai pulau Kerasian. Desain groin berdasarkan PdT-04-2005 yang dikeluarkan oleh Kementerian Pekerjaan Umum Indonesia. Dimensi dan material groin yang digunakan dijelaskan detil dalam paper.
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