Enggar Utari
Sultan Ageng Tirtayasa University

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Pemetaan Habitat Burung Air Berdasarkan Analisis Citra Satelit di Hutan Mangrove Cagar Alam Pulau Dua, Banten Helen Atmisuri; Enggar Utari; Indria Wahyuni; Hartanto Sanjaya
Jurnal Planologi Vol 20, No 1 (2023): April
Publisher : Universitas Islam Sultan Agung Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30659/jpsa.v20i1.28734

Abstract

Waterbirds are birds that live around the coast that use migration sites to carry out life activities. This research was conducted in 2022, aiming to determine the condition of waterbird habitat, mapping waterbird habitat, and the relationship between the results of satellite imagery analysis and the presence of waterbirds in the mangrove forest of Pulau Dua Nature Reserve. The research method used is the point count or index point of abundance (IPA) method to determine the habitat conditions of waterbirds and remote sensing methods using Google Earth Engine (GEE) satellite imagery. The results of the study showed that waterbirds are mostly active in wetland areas. The mapping results from the MNDWI (Modified Normalized Difference Water Index) analysis obtained negative results because the detected land is not a body of water and the surrounding area is overgrown with vegetation, it can be said that the results are negative due to air mixing with other objects. Mapping results from MSAVI (Modified Soil Adjusted Vegetation Index) analysis were obtained with a range of 0.3-0.4 which indicates moderate vegetation conditions. The correlation result of the water presence (MNDWI) with the presence of waterbirds have a value of r = 0.944 belong to the category of very strong relationship and the correlation result of the land presence (MSAVI) to the presence of waterbirds have a value of r = 0.537 belong to the category of strong relationship too. The results of this study can be implemented in education in the form of material analysis using KD. 3.10 and KD. 4.10 class X high school. Keywords: Google Earth Engine, Pulau Dua Nature Reserve, and Waterbird Habitat
Development of an IoT-based waste monitoring and notification system for smart environmental management Enggar Utari; Ika Rifqiawati; Wahyuni Martiningsih; Izzal Ihasani; Aditya Rahman; Bagus Dwicahyono
Indonesian Journal of Electrical Engineering and Computer Science Vol 42, No 3: June 2026
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v42.i3.pp729-741

Abstract

Rapid urban population growth has intensified solid waste generation, while many existing waste management systems still rely on manual inspection and single-parameter monitoring, resulting in delayed responses and inefficient handling. Previous studies have primarily focused on isolated sensing or offline monitoring, highlighting the need for integrated, real-time, and user-oriented waste monitoring solutions. This study used RnD method, proposes a smart garbage level and information hub (SIGALIH), an IoT based waste monitoring and notification system designed to address these limitations. SIGALIH combines multi-parameter sensing, including waste level, temperature–humidity, gas concentration, and ambient light, with an ESP32 microcontroller, a cloud-based data platform, and a real-time notification service using a messaging bot. System evaluation involved sensor accuracy testing, communication latency analysis, and functional verification. Experimental results indicate an average sensor accuracy of 96.8%, with an average data transmission latency of 1.84 seconds and a notification delay of 2.14 seconds, indicating reliable real-time performance under varying network conditions. Functional testing confirmed stable operation of all system modules. The system was also integrated into an Environmental Education learning module to support environmental literacy and awareness through contextual learning on sustainable waste management. SIGALIH is designed for small- to medium-scale urban and community-based applications. However, performance depends on wireless network availability, which may reduce reliability in low-connectivity areas. Overall, SIGALIH provides a low-cost, scalable, integrated solution supporting smart environmental management and sustainable urban waste initiatives.