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All Journal Rambideun : Jurnal Pengabdian Kepada Masyarakat Jurnal Penelitian Pengelolaan Daerah Aliran Sungai (Journal of Watershed Management Research)
Ridwan Iriadi
Universitas Almuslim
Agriculture, Biological Sciences & Forestry Economics, Econometrics & Finance Education Public Health Social Sciences

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PELATIHAN RUANG TERBUKA HIJAU DENGAN PENANAMAN POHON PUCUK MERAH DI DESA PAYACUT KECAMATAN PEUSANGAN KABUPATEN BIREUEN Yayuk Kurnia Risna; Ridwan Iriadi; Cut Azizah; Zahrul Fuady; Nuraina
RAMBIDEUN : Jurnal Pengabdian Kepada Masyarakat Vol. 6 No. 3 (2023): Rambideun: Jurnal Pengabdian kepada Masyarakat
Publisher : LPPM Universitas Al Muslim

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51179/pkm.v6i3.1867

Abstract

The environment is something that exists around life or organisms. A clean environment means no disease, less flooding, fresh, clean air, and so on. The increase in the number of building construction and the number of vehicles indirectly affects the increase in air temperature in the environment. This results in air pollution so that green open spaces are increasingly under pressure. One of the negative impacts of this is global warming and climate change. The way to reduce the effects of global warming and climate change is to increase number of trees through planting. This community service activity is green open space training by planting Red Shoot Trees in Payacut Village, District. Peusangan District. Bireuen. This activity aimed to reduce the causes of flooding, reduce air pollution, and create a green and healthy environment. Community service activities were carried out through 3 stages, namely preparation, implementation and reporting. The method of implementing activities was through lectures (question and answer) and demonstrations. The results of PKM activities were: 1) community understanding and awareness of the importance of protecting the environment, 2) increasing community motivation to care for the environment by participating in tree planting activities, and 3) creating a community that cares about greening the environment and a healthy environment through tree planting activities. This activity is carried out continuously by lecturers and students of the Master of Natural Resources and Environmental Management Study Program, Almuslim University Postgraduate Program.
Perubahan Penggunaan Lahan dan Dampaknya Terhadap Koefisien dan Volume Limpasan Banjir Di Das Keureuto, Provinsi Aceh (Land-Use Changes and Their Impact on Runoff Coefficient and Flood Volume in the Keureuto Watershed, Aceh Province) Cut Azizah; Cut Nofita; Halus Satriawan; Ridwan Iriadi; Sarif Robo; Misnawati
Jurnal Penelitian Pengelolaan Daerah Aliran Sungai (Journal of Watershed Management Research) Vol 9 No 1 (2025): Jurnal Penelitian Pengelolaan Daerah Aliran Sungai (Journal of Watershed Manageme
Publisher : Asosiasi Peneliti dan Teknisi Kehutanan dan Lingkungan Hidup Indonesia (APTKLHI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59465/jppdas.2025.9.1.105-120

Abstract

Land-use changes significantly impact watershed hydrology, including increased surface runoff and flood risk. This study uses the Soil Conservation Service–Curve Number (SCS-CN) method to evaluate the impact of land-use changes on the runoff coefficient (C) and flood runoff volume in the Keureuto Watershed in Aceh Province. . Land-use data were analyzed from four time periods: 1990, 2000, 2010, and 2024. Rainfall, soil type, and elevation data were used to calculate CN values, runoff volume, and the runoff coefficient. A land-use transition matrix was used to identify land use conversion patterns, and integrated them into a geographic information system (GIS) for spatial analyses. The results show significant increases in the area of settlements (82.9%), open land (77.4%), and shrubland (45.2%), while primary and secondary forests areas declined by 21.1% and 23.1%, respectively. These changes caused the Curve Number value to increase from 69.5 in 1990 to 71.9 in 2024. The spatial distribution analysis shows increases in areas with medium (28%) and high (6.5%) CN values. In line with the 46.6% increase in rainfall, the surface runoff volume increase from 1,704,979,578 m³ to 2,572,791,394 m³, or by 46.7%. In parallel, the runoff coefficient (C) increased from 0.928 to 0.955, indicating decreased infiltration capacity due to land use changes. These findings suggest that land-use changes directly increase CN and C values, contributing to higher surface runoff and flood risk in the Keureuto Watershed. 
Co-Authors Cut Azizah Cut Nofita Halus Satriawan Misnawati Nuraina Nuraina Sarif Robo Yayuk Kurnia Risna Zahrul Fuady