GUSTI SAHAJA, MUHAMMAD RAFI (2023) ANALISIS KERENTANAN PANTAI SADRANAN DI KAWASAN PESISIR GUNUNGKIDUL BERDASARKAN VARIABEL CVI (COASTAL VULNERABLE INDEX) (23dsa97). Undergraduate thesis, Fakultas Perikanan dan Ilmu Kelautan.

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Abstract

ABSTRAK
(Muhammad Rafi Gusti Sahaja. 26010118140093. Analisis Kerentanan Pantai Sadranan di Kawasan Pesisir Gunungkidul Berdasarkan Variabel CVI (Coastal Vulnerable Index) Max Rudolf Muskananfola dan Bambang Sulardiono)
Kerentanan pantai merupakan kondisi yang menunjukkan wilayah pantai tersebut dapat terkena kerusakan teknis seperti abrasi maupun akresi. Pantai Sadranan merupakan salah satu contoh daerah yang mengalami perubahan kondisi fisik alam sehingga perlu diketahui tingkat kerentanan pantainya. Tujuan penelitian adalah untuk mengetahui nilai nilai kerentanan Pantai Sadranan menggunakan metode CVI (Coastal Vulnerable Index) serta menganalisis variabel yang paling berpengaruh terhadap nilai kerentanan Pantai Sadranan. Titik lokasi pengamatan dan pengambilan sampel dibagi menjadi 4 titik, dimana setiap titiknya mewakilkan 50m panjang Pantai Sadranan serta kondisi fisik disetiap titiknya seperti pantai berbatu, pantai berpasir, dan bertebing tinggi. Penelitian dilaksanakan dari bulan Desember 2021 hingga bulan Februari 2023 dengan menganalisis variabel geomorfologi, perubahan garis pantai, kemiringan pantai, jarak tumbuhan dari pantai, tekstur sedimen, pasang surut, tinggi gelombang dan kenaikan muka air laut sesuai dengan indeks kerentanan pantai serta penyusunan laporan. Hasil penelitian menunjukan nilai CVI Pantai Sadranan pada titik 1-4 berkisar antara 18,90 – 32,73 dengan hasil titik lokasi 1, 4 tergolong kategori kerentanan rendah dan titik lokasi 2, 3 termasuk kategori kerentanan sangat tinggi.
Hasil metode skoring yang mendominasi adalah 5 atau tergolong kategori kerentanan sangat tinggi. Variabel yang memiliki nilai paling mempengaruhi kerentanan Pantai Sadranan adalah tinggi gelombang, kenaikan permukaan air laut, kemiringan pantai serta jarak vegetasi pantai.
Kata kunci : Gunungkidul, Pantai Sadranan, kerentanan pesisir, CVI, metode skoring

ABSTRACT
(Muhammad Rafi Gusti Sahaja. 26010118140093. Analysis Vulnerability of the Sadranan Beach in the Gunungkidul Coastal Area Based on CVI (Coastal Vulnerable Index) Variables Max Rudolf Muskananfola dan Bambang Sulardiono)
Coastal vulnerability is a condition that indicates the coastal area can be exposed to technical damage such as abrasion or accretion. Sadranan Beach is one example of an area that has experienced changes in natural physical conditions so it is necessary to know the level of vulnerability of the beach. The purpose of this research is to determine the vulnerability value of Sadranan Beach using the CVI (Coastal Vulnerable Index) method and analyze the variables that have the most influence on the vulnerability value of Sadranan Beach. The observation and sampling location points are divided into 4 points, where each point represents 50m length of Sadranan Beach and physical conditions at each point such as rocky beaches, sandy beaches, and high cliffs. The research was conducted from December 2021 to February 2023 by analyzing geomorphological variables, shoreline changes, beach slope, distance of plants from the beach, sediment texture, tides, wave height and sea level rise according to the coastal vulnerability index and preparing reports. The results showed that the CVI value of Sadranan Beach at points 1-4 ranged from 18.90 - 32.73 with the results of location points 1, 4 belonging to the low vulnerability category and location points 2, 3 belonging to the very high vulnerability category. The result of the scoring method that dominates is 5 or classified as a very high vulnerability category. The variables that have the most influence on the vulnerability of Sadranan Beach are wave height, sea level rise, beach slope and distance of beach vegetation.
Kata kunci : Gunungkidul, Sadranan Beach, coastal vulnerability, CVI, scoring method

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