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All Journal International Journal of Evaluation and Research in Education (IJERE) Journal of Tropical Soils Paramita: Historical Studies Journal Forum Ilmu Sosial Journal of Indonesian Tourism and Development Studies Jurnal Pendidikan Ilmu Sosial Sumatra Journal of Disaster, Geography and Geography Education International Journal of Social Learning (IJSL) EduStream: Jurnal Pendidikan Dasar Geosfera Indonesia
Nayan, Nasir
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Agriculture, Biological Sciences & Forestry Arts Humanities Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Environmental Science Social Sciences Other

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Analysis of Mangrove Density Levels Change Based on Cloud Computing on Abrasion Area in the Coast of Semarang City Sidiq, Wahid Akhsin Budi Nur; Sanjoto, Tjaturahono Budi; Nayan, Nasir; Sriyanto; Fariz, Trida Ridho
Geosfera Indonesia Vol. 10 No. 1 (2025): GEOSFERA INDONESIA
Publisher : Department of Geography Education, University of Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/geosi.v10i1.48079

Abstract

The coastal areas of Semarang City have experienced land conversion due to development activities that threaten mangrove sustainability in recent years. The urgency of this research is the need to monitor mangrove density levels to be used as input in its management. The purpose of this study is to analyze changes in mangrove density levels and the occurrence of abrasion in time series using the Google Earth Engine cloud computing model. The research method used visual interpretation and spectral transformation of NDVI and MNDWI to identify spatial distribution, mangrove density and abrasion. The results showed that there was a significant decrease in mangrove area in 2019-2023 with an area of 111.74 hectares. Furthermore, the level of mangrove density is quite dynamic, especially for high density with a decrease in area from 2019 - 2023 with an area of 260.25 hectares, besides that the decline in high density mangroves also occurred in 2015 - 2023 with a decrease in area of 38.73 hectares. Abrasion in the research location was identified in 2 coastal villages, namely Mangunharjo Village with abrasion along 0.88 km (2015 - 2023) and Tugurejo Village with abrasion along 1.04 km, where both areas also experienced a decrease in mangrove area at a high-density level. In conlusion, there has been a decrease in the area and density of mangroves in the study site, one of which has an impact on abrasion.
Co-Authors Abda Abda Al-Hanif, Ervando Tommy Ali Djamhuri Balkhis Norkhaidi, Saiyidatina bin Ghazali, Mohamad Khairul Anuar Dewi Liesnoor Setyowati Ellyn Normelani Endarto, Endarto Erni Suharini Hashim, Mohmadisa Hashim, Mohmadisa Hashim M. Yogi Riyantama Isjoni Mahat, Hanifah Marjo Marjo Nursida Arif nurul khotimah Rusma Noortyani Saleh, Yazid Satya Budi Nugraha Selamat Riadi Shafikhullah, Siti Nor Azalia Siti Asiah Sriyanto Suhaimi, Syifa’ Suhendro Suhendro Syamsiar, Syamsiar Tjaturahono Budi Sanjoto Trida Ridho Fariz Tuti Supriyanti Asofi Wahid Akhsin Budi Nur Sidiq, Wahid Akhsin Budi Nur