ANALISIS PERUBAHAN LUASAN TERUMBU KARANG MENGGUNAKAN CITRA LANDSAT DI PULAU BERAS BASAH BONTANG KALIMANTAN TIMUR.

Ita Rohfika, Dewi Embong Bulan, Muhammad Syahrir

Abstract


Beras Basah Island is a small island located in North Bontang District which is included in the conservation area of Bontang city. Many activities that occur on Beras Basah Island that can pressure and even threat of damage to coral reef ecosystems. This study uses remote sensing technology to determine changes in the area of coral reefs in Beras Basah Island. Analysis of changes in the extent of coral reefs was carried out by the Lyzenga algorithm method using Landsat 8 satellite images and the classification was done by unsupervised classification (not guided). The results of processing image data show changes in the area of coral reefs in 2014-2016 by 6.48 Ha or 11% and in 2016-2018 by 3.24 Ha or 6%.


Keywords


coral reefs, Landsat 8 imagery, Beras Basah Island, Lyzenga algorithm.

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