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STUDI PERUBAHAN GARIS PANTAI DI PESISIR RAJABASA, LAMPUNG SELATAN (23dos345)

FAJRI, MUHAMAD FAQIH (2023) STUDI PERUBAHAN GARIS PANTAI DI PESISIR RAJABASA, LAMPUNG SELATAN (23dos345). Undergraduate thesis, Fakultas Perikanan dan Ilmu Kelautan.

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1_Pendahuluan_Muhamad Faqih Fajri_26050119120022.pdf
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Abstract

ABSTRAK
(Muhamad Faqih Fajri. 26050119120022. Studi Perubahan Garis Pantai di
Pesisir Rajabasa, Lampung Selatan. Warsito Atmodjo dan Alfi Satriadi).
Lokasi penelitian yang berada di Pesisir Pantai Rajabasa, Kecamatan
Rajabasa, Lampung Selatan mengalami adanya perubahan garis pantai berupa
kemunduran garis pantai yang disebut abrasi dan penambahan garis pantai yang
disebut akresi. Tujuan dari penelitian ini adalah mengetahui luasan abrasi dan akresi
perubahan garis pantai yang terjadi pada Pesisir Pantai Rajabasa dalam kurun waktu
2017-2021. Data yang digunakan dalam penelitian ini meliputi kelerengan pantai,
sedimen, pasang surut, angin, gelombang, arus, dan citra landsat 8. Metode yang
digunakan yaitu metode admiralty, metode sieving kering, peramalan gelombang,
pemodelan arus menggunakan MIKE 21, metode DSAS (Digital Shoreline Analysis
System), pemetaan hasil data denganmenggunakan ArcGIS 10.8. Hasil dari
penelitian ini menunjukkan pada tahun 2017-2021, total luasan akresi dan abrasi
didapatkan nilai sebesar 0,538 dan 0,298 hektar. Pada tahun 2019-2021, total luasan
akresi dan abrasi didapatkan nilai sebesar 0 dan 1,167 hektar. Abrasi dan akresi
garis pantai di Pesisir Pantai Rajabasa dipengaruhi oleh faktor oseanografi seperti
transport sedimen, pasang surut, angin, arus, dan gelombang.
Kata kunci: Perubahan garis pantai, DSAS, Abrasi, dan Akresi

ABSTRACT
(Muhamad Faqih Fajri. 26050119120022. Study of Coastline Changes on
the Rajabasa Coast, South Lampung. Warsito Atmodjo dan Alfi Satriadi).
The research location located on the Rajabasa Coast, Rajabasa District,
South Lampung experienced a change in the coastline in the form of a deterioration
of the coastline called abrasion and the addition of a coastline called accretion.
The purpose of this study is to determine the extent of abrasion and accretion of
coastline changes that occurred on the Rajabasa Coast in the 2017-2021 period.
Data used in this study included coastal slopes, sediments, tides, winds, waves,
currents, and landsat 8 imagery. The methods used are the admiralty method, dry
sieving method, wave forecasting, current modeling using MIKE 21, DSAS (Digital
Shoreline Analysis System) method, mapping data results using ArcGIS 10.8. The
results of this study show that in 2017-2021, the total area of accretion and
abrasion obtained values of 0.538 and 0.298 hectares. In 2019-2021, the total
accretion and abrasion area obtained values of 0 and 1,167 hectares. Abrasion and
accretion of coastlines on the Rajabasa Coast are influenced by oceanographic
factors such as sediment transport, tides, wind, currents, and waves.
Keywords: Shoreline Change, DSAS, Abrasion, Accretion

Item Type: Thesis (Undergraduate)
Uncontrolled Keywords: Perubahan garis pantai, DSAS, Abrasi, dan Akresi Shoreline Change, DSAS, Abrasion, Accretion
Subjects: Fisheries And Marine Sciences
Divisions: Faculty of Fisheries and Marine Sciences > Department of Oceanography
Depositing User: pancasila wati
Date Deposited: 30 Apr 2024 08:20
Last Modified: 30 Apr 2024 08:20
URI: https://eprints2.undip.ac.id/id/eprint/20379

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