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All Journal JURNAL SIPIL STATIK IAIC Transactions on Sustainable Digital Innovation (ITSDI)
Mokodongan, Masita Aisza
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Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Library & Information Science Materials Science & Nanotechnology

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ANALISIS KARAKTERISTIK GELOMBANG DI PANTAI BAHOI KECAMATAN LIKUPANG BARAT Mokodongan, Masita Aisza; Jasin, Muh. I.; Thambas, Arthur H.
JURNAL SIPIL STATIK Vol 9, No 4 (2021): JURNAL SIPIL STATIK
Publisher : JURNAL SIPIL STATIK

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Abstract

Pengelolaan wilayah pantai sangat penting untuk mempertahankan bentuk garis pantai. Pantai Desa Bahoi mengalami pengikisan akibat gelombang sehingga di garis pantai tersebut mengalami kerusakan. Dalam penelitian ini dilakukan pendekatan teori dan analisis transformasi gelombang yang terjadi di pantai Desa Bahoi, peramalan gelombang dihitung dengan metode hindcasting gelombang berdasarkan data angin masa lalu selama 10 tahun dari Badan Meteorologi, Klimatologi, dan Geofisika. Dari data tersebut bisa didapatkan tinggi dan periode gelombang yang signifikan. Dari hasil perhitungan diperoleh lima arah pembentukan gelombang yakni Timur Laut, Timur, Tenggara dan selatan dengan gelombang maksimum yang terjadi dari arah Timur dengan tinggi gelombang 1.132 m dan periode 3.411 det. Diperoleh nilai koefisien refraksi yang terjadi berkisar antara 1.0260 sampai 1.4900 dam koefisien shoaling yang terjadi antara 0.8343 sampai 1.1865. Nilai koefisien refraksi yang terjadi berkisar antara 1.0260 sampai 1.4900 dan koefisien shoaling yang terjadi antara 0.8343 sampai 1.1865. Tinggi gelombang pecah yang terjadi berkisar antara 0.9098 m sampai dengan 1.3987m pada kedalaman -1m sampai -10 m. Kata Kunci : Pantai Desa Bahoi, gelombang pecah, karakteristik gelombang, refraksi, shoaling
Water Availability in the Moayat River in Meeting Water Needs in Kotamobagu, North Sulawesi Mokodongan, Masita Aisza; Kurniyaningrum, Endah; Yuwono, Bambang Endro; Pontan, Darmawan
IAIC Transactions on Sustainable Digital Innovation (ITSDI) Vol 6 No 2 (2025): April
Publisher : Pandawan Sejahtera Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34306/itsdi.v6i2.689

Abstract

The Moayat River in Kotamobagu, North Sulawesi, plays an important roleas a water source to meet the needs of the local community. However, water management in this area faces significant challenges due to seasonal discharge fluctuations, changes in land cover, and increasing water demand. This study aims to analyze the water availability of the Moayat River based on surface water conditions and current water demand assessments, future water demand projections, and water balance evaluations. The results show that current water availability is sufficient to meet domestic water needs. However, surface water conditions are influenced by climate change indicators, so that river discharge approaches the water demand threshold, thus creating a risk of water shortages,especially for irrigation. Over the past decade, forest cover in the catchment area has decreased, which has led to increased surface runoff and reduced water infiltration. Based on these findings, climate change in land cover greatly affects surface flow conditions so that an integrated management strategy is needed, including watershed rehabilitation, development of water storage infrastructure, and increasing water use efficiency, is essential to ensure the long-term sustainability of water supply from the Moayat River.
Co-Authors Bambang Endro Yuwono Endah Kurniyaningrum Muh. I. Jasin Pontan, Darmawan Thambas, Arthur H.