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All Journal Jurnal Inotera JURNAL GEOGRAFI Geografi dan Pengajarannya
Nugraha, Hasan Adi
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Computer Science & IT Education Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Physics Social Sciences

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ESTIMATION OF TOTAL EROSION IN THE BATANG GADIS WATERSHED, NORTH SUMATERA USING MODIFIED UNIVERSAL SOIL LOSS EQUATION METHOD (MUSLE) Nugraha, Hasan Adi; Viane, Justinalle Krisna; Wibowo, Anisa Nurfadila Mukti; Nafasari, Umi; Azzahra, Nadia Windy; Fakhrudin, Damar; Basworo, Ariseto; Amanatullah, Dikiakhyar; Widyatmanti, Wirastuti
JURNAL GEOGRAFI Geografi dan Pengajarannya Vol 23 No 1 (2025): JURNAL GEOGRAFI Geografi dan Pengajarannya
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jggp.v23n1.p167-182

Abstract

Watershed degradation due to soil erosion is a significant problem affecting soil fertility, water quality, and ecosystem sustainability. In the Batang Gadis watershed, concerns about increasing erosion per rainfall emphasize the need for effective soil and water conservation strategies. This study analyzes sedimentation rates and assess watershed stability to support conservation planning. The MUSLE was applied to estimate erosion per rainfall event. The watershed boundary was delineated using DEM data and satellite imagery. Sedimentation rates were evaluated based on factors including soil erodibility, runoff, slope length and steepness, land use, and conservation practices. GIS tools were used to generate thematic maps and spatially analyze these parameters. The results showed total erosion in the Batang Gadis watershed reaches 1,416,262,595 tons/year, with the Batang Salai sub-watershed contributing the most (1,021,173,987 tons/year), and Batang Angkola the least (2,179,742 tons/year). Despite this, most areas are classified under very light erosion, indicating overall watershed stability. Keywords: Total Erosion, Batang Gadis Watershed, MUSLE
Bahasa Inggris Nugraha, Hasan Adi; Samsul Ma’arip; Naufal Athiyya Hammam; Nazwa Nurannisa P S; Riski Firnanda; Muhammad Aulia Rahman
Jurnal Inotera Vol. 10 No. 2 (2025): July - December 2025
Publisher : LPPM Politeknik Aceh Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31572/inotera.Vol10.Iss2.2025.ID365

Abstract

This study optimizes propellerless wind power generation using a multidimensional approach and IoT technology. CFD simulations identified the S1210 airfoil as optimal due to its efficiency at low Reynolds numbers. The simulations revealed that a 9-degree angle of attack produced higher velocity and lower pressure, enhancing airflow and theoretical power output. Further simulations varying the distance between mirrored airfoils showed that an optimal distance exists for different wind speeds. An IoT system was then implemented to adjust this distance dynamically. Through in-depth analysis of airfoil design, material selection, and the application of IoT technology, this research pioneers a way to improve wind farm efficiency, overcome efficiency challenges at low wind speeds, and reduce maintenance costs. Its contribution is not only limited to the development of cleaner renewable energy technologies, but also opens the door to a deeper understanding of wind energy dynamics and its utilization on a large scale.
Co-Authors Amanatullah, Dikiakhyar Azzahra, Nadia Windy Basworo, Ariseto Fakhrudin, Damar Muhammad Aulia Rahman Nafasari, Umi Naufal Athiyya Hammam Nazwa Nurannisa P S Riski Firnanda Samsul Ma’arip Viane, Justinalle Krisna Wibowo, Anisa Nurfadila Mukti Widyatmanti, Wirastuti