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All Journal JURNAL SIMETRIK Science and Education Journal
Tri O. Sihombing
Universitas Pattimura
Humanities Automotive Engineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Education Electrical & Electronics Engineering Engineering Social Sciences

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ANALISIS POTENSI PEMANENAN AIR HUJAN UNTUK PEMENUHAN KEBUTUHAN AIR BERSIH DI NEGERI PASSO BENTENG KARANG KECAMATAN BAGUALA, KOTA AMBON Dewi Cantika Putri; Warniyati Warniyati; Monica R. Tutkey; Tri O. Sihombing
JURNAL SIMETRIK Vol 16 No 1 (2026): Jurnal Simetrik (Sipil, Mesin, Listrik)
Publisher : Pusat Penelitian dan Pengabdian Kepada Masyarakat (P3M) Politeknik Negeri Ambon

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31959/js.v16i1.3381

Abstract

Negeri Passo Benteng Karang, a hamlet in Baguala Sub-district, is located in a hilly area with rocky soil, making it challenging to access groundwater sources. Despite having one borehole and a single reservoir, the community frequently faces clean water shortages, as the current supply is insufficient for daily needs. To address this issue, a cost-effective and efficient solution, namely rooftop rainwater harvesting (RWH), is proposed. This study analyzes climate, rainfall using the Gumbel method, community water demand, planned discharge using the rational method, and the potential of RWH. The results indicate a maximum harvestable water volume of 4,133.5 m³/day with rainfall exceeding 100 mm, while the clean water demand is 144 m³/day. Thus, the clean water needs of Negeri Passo Benteng Karang can be fully met through the implementation of the RWH method. Keywords: Clean Water, Rainfall, Rainwater Harvesting
Analisis Perubahan Garis Pantai Kecamatan Teluk Ambon, Menggunakan Digital Shoreline Analysis System (Dsas) Vito Hermanus Pattinasarany; Warniyati Warniyati; Tri O. Sihombing
Science and Education Journal (SICEDU) Vol 5 No 3 (2026): Science and Education Journal 2026
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/sicedu.v5i3.1266

Abstract

Penelitian menganalisis dinamika garis pantai periode 2015-2025 akibat abrasi dan akresi yang mengancam pemukiman, infrastruktur termasuk Bandara Pattimura. Rumusan masalah mencakup perubahan garis pantai pada pantai berbangunan pelindung dan tanpa pelindung. Tujuan penelitian menganalisis perubahan menggunakan parameter Net Shoreline Movement (NSM) dan End Point Rate (EPR). Metode menggunakan citra satelit Landsat 8-9 dari USGS, diolah dengan ArcGIS dan DSAS. Lokasi penelitian Kecamatan Teluk Ambon seluas 20,73 km, dibagi segmen 60 transect. Identifikasi bangunan pelindung pantai dilakukan visual, diikuti digitasi garis pantai dan analisis NSM-EPR. Hasil menunjukkan pantai berbangunan pelindung stabil cenderung akresi: rata-rata NSM +1,4 m, EPR +0,7 m/tahun (contoh segmen 6: NSM 4,94 m, EPR 2,47 m/tahun; segmen 22: NSM 3,21 m). Pantai tanpa pelindung abrasi progresif: rata-rata NSM -10,8 m, EPR -5,4 m/tahun (contoh segmen 5: NSM -19,70 m, EPR -11,19 m/tahun; segmen 33: NSM -15,42 m). Dinamika transisi segmen menunjukkan pelindung meredam abrasi efektif. Bangunan pelindung pantai terbukti mengurangi abrasi signifikan dan mendorong akresi. Penelitian beri informasi evaluasi pengelolaan pesisir Teluk Ambon.
Co-Authors Dewi Cantika Putri Monica R. Tutkey Vito Hermanus Pattinasarany Warniyati Warniyati