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All Journal Journal Serambi Engineering (JSE) Jurnal Pengabdian Masyarakat Indonesia
Nurul Azmi
Pendidika Fisika, Fakultas KIP, Universitas Abulyatama
Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Social Sciences Other

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Mapping Vegetation Condition Before and After the 2025 Flood Using Sentinel-2-Based NDVI in Pidie Jaya Regency Nela Wirja; Muhammad Nanda; Deviyani Rusdiyanti Putri; Mulia Rahmi; Nurul Azmi
Jurnal Serambi Engineering Vol. 11 No. 3 (2026): Juli 2026
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

The major flood that affected Pidie Jaya Regency in November 2025 caused substantial changes in land-surface conditions, including vegetation and agricultural areas. However, spatial information on vegetation conditions before and after the flood remains limited. This study aimed to assess spatial patterns of vegetation conditions before and after the 2025 flood in Pidie Jaya Regency, Aceh Province, using the Normalized Difference Vegetation Index (NDVI) derived from Sentinel-2 imagery. Sentinel-2 Surface Reflectance (Level-2A) imagery was processed using the Google Earth Engine (GEE) platform. Imagery acquired during 1 October–25 November 2025 was used to represent pre-flood conditions, while imagery acquired during 26 November–15 December 2025 was used to represent post-flood conditions. Images from each period were composited using the median value, and NDVI was calculated from the Red (Band 4) and Near-Infrared (NIR; Band 8) bands. The results revealed heterogeneous spatial patterns of NDVI response. The Southern area of Meureudu, Meurah Dua, and Ulim Districts showed apparent shifts from areas with relatively high pre-flood NDVI values (0.6–1.0) toward lower NDVI classes (0.2–0.5) after the flood. This pattern is consistent with vegetation disturbance and changes in land-surface conditions associated with flooding. In contrast, several northern lowland areas exhibited an increase in NDVI from approximately 0.0–0.2 to 0.3–0.5. This increase does not necessarily indicate vegetation recovery but may be associated with changes in surface conditions, moisture, and the deposition and subsequent drying of flood sediments.
Pemberdayaan Siswa Melalui Pengelolaan Sampah Kreatif Menuju Sekolah Bersih dan Tangguh Bencana di Desa Lamcot, Aceh Besar Hasbullah Hasbullah; Nurul Azmi; Yuliana Yuliana; Jannatun Patimah
JURNAL PENGABDIAN MASYARAKAT INDONESIA Vol. 5 No. 2 (2026): Juni: Jurnal Pengabdian Masyarakat Indonesia (JPMI)
Publisher : Politeknik Pratama Purwokerto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jpmi.v5i2.7113

Abstract

The problem of plastic waste in Gampong Lamcot, especially PET, poses a serious threat to environmental sustainability and triggers flooding due to blocked school drainage. This article aims to describe the process of empowering students to creatively manage waste towards a clean and disaster-resilient school. The method used was Participatory Action Research (PAR), which actively involved 28 students in the stages of reflection, planning, creative action, and evaluation. The results of the activity showed an increase in ecological awareness and practical skills of students in transforming plastic waste into valuable products by implementing advertising poster creation. Reducing the volume of inorganic waste in the school environment directly contributed to the smooth flow of water channels and strengthened flood disaster mitigation. This program successfully transformed the role of students from waste producers to innovative and disaster-prepared agents of environmental change.
Co-Authors Amsir Deviyani Rusdiyanti Putri Hasbullah Hasbullah Jannatun Patimah Muhammad Nanda Mulia Rahmi Mursal Mursal Nela Wirja Rini Safitri yuliana yuliana Zakia Masrurah