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All Journal Jurnal Pengabdian Masyarakat Sains Indonesia (Indonesian Journal Of Science Community Services) Jurnal Pendidikan, Sains, Geologi, dan Geofisika (GeoScienceEd Journal) Jurnal Altifani Penelitian dan Pengabdian kepada Masyarakat Jurnal Pengabdian Masyarakat Jurnal Sains dan Teknologi Geosfera: Jurnal Penelitian Geografi
Resti Limehuwey
Universitas Pattimura
Religion Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Control & Systems Engineering Dentistry Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Library & Information Science Mathematics Mechanical Engineering Medicine & Pharmacology Nursing Physics Public Health Social Sciences Veterinary Other

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Pemanfaatan Teknologi Penginderaan Jauh untuk Analisis Urban Heat Island di Kecamatan Sirimau Ambon Resti Limehuwey; Sitti Hafsa Kotarumalos; Warni Multi; Micky Kololu; Philipus Josepus Patty; Robert Hutagalung
Jurnal Pendidikan, Sains, Geologi, dan Geofisika (GeoScienceEd Journal) Vol. 7 No. 2 (2026): May
Publisher : Mataram University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/goescienceed.v7i2.1887

Abstract

Urban Heat Island (UHI) is a phenomenon of increasing temperature in urban areas influenced by reduced vegetation and increasing surface temperature. This study aims to analyze vegetation distribution, land surface temperature, and UHI intensity in Sirimau District using Landsat imagery from 2019 and 2022. The analysis was conducted using the Normalized Difference Vegetation Index (NDVI), Land Surface Temperature (LST), and Urban Heat Island (UHI) parameters. The results showed that NDVI values in 2019 ranged from −0.0127 to 0.8531, while in 2022 they ranged from −0.017 to 0.8309. Low NDVI values were generally found in the urban center, whereas high NDVI values were identified in areas with dense vegetation. LST values in 2019 ranged from 18.524 °C to 28.546 °C, while in 2022 they ranged from 15.359 °C to 25.382 °C. Higher surface temperatures were concentrated in urban and settlement areas, while lower temperatures were found in vegetated areas. UHI values in 2019 ranged from −1.946 °C to 2.555 °C, while in 2022 they ranged from −2.489 °C to 2.942 °C. The study indicates an inverse relationship between NDVI, LST, and UHI, where areas with low vegetation density tend to have higher surface temperatures and stronger UHI intensity compared to vegetated areas. These findings highlight the important role of vegetation in reducing surface temperature and mitigating UHI effects. The results of this study are expected to support sustainable urban planning, the development of green open spaces, and climate adaptation strategies in Sirimau District.
Implementasi Kuliah Lapangan Geofisika Sebagai Wujud Pengabdian Kepada Masyarakat Untuk Identifikasi Manifestasi Sumber Panas Bumi di Daerah Tulehu Warni Multi; Phillipus J Patty; Resti Limehuwey; Sitti Hafsa Kotarumalos; Rimawanto Gultom; Aditya Ramadhan
Jurnal Pengabdian Masyarakat Sains Indonesia Vol. 8 No. 1 (2026): JPMSI (Jurnal Pengabdian Masyarakat Sains Indonesia)
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jpmsi.v8i1.1890

Abstract

With the advancement of technology in the earth sciences, the identification, investigation, and interpretation of subsurface conditions to identify natural resources beneath the surface has become easier. Geophysical technology is a powerful method to support this process. Using currently popular geophysical methods, this is not difficult to accomplish. The geomagnetic method, in particular, is a well-established geophysical method in the exploration world. This method is highly sensitive to vertical changes in the subsurface, making it highly suitable for application, particularly in geophysical fieldwork, to identify hot springs. It is hoped that students, the community service team, the community, and the Tulehu regional government will experience the positive impact of this program. As is known, the Tulehu region boasts abundant natural resources, yet they remain largely unexplored. Therefore, through the implementation of geophysical fieldwork as a community service activity, these manifestations can be properly investigated. In fact, with the application of geophysical applications, hot springs have been identified at several locations. This location has become iconic in education (geological-geophysical studies) and for tourism (geotourism) as a learning reference. In the future, the community service team hopes to continue developing other activities and innovations using a geophysical approach so that they can have a positive impact on various general audiences.
Edukasi Mitigasi Bencana Gempabumi dan Tsunami Bagi Siswa SMA Negeri 7 di Saparua, Maluku Tengah Resti Limehuwey; Micky Kololu; Sitti Hafsa Kotarumalos; Robert Hutagalung; Philipus Josepus Patty
Jurnal Pengabdian Masyarakat - PIMAS Vol. 5 No. 2 (2026): Mei
Publisher : LPPM Universitas Harapan Bangsa Purwokerto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35960/pimas.v5i2.2297

Abstract

State Senior High School 7 Saparua in Central Maluku Regency is one of the schools located in an island region with potential vulnerability to earthquakes and tsunamis. This condition makes it important to develop students' knowledge and preparedness for disasters from an early age. This community service activity aims to provide education and understanding about earthquakes, tsunamis, and their mitigation to students. The method of implementation was carried out through material delivery, interactive discussions, and question and answer sessions related to earthquakes and tsunamis, as well as mitigation steps before, during, and after a disaster. The results of the activity showed that students showed high enthusiasm throughout the activity. This was evident in their active involvement in the discussion and various questions asked regarding the timing of mitigation implementation, appropriate mitigation strategies, and other factors that can trigger a tsunami. This activity provided students with an understanding of the importance of disaster preparedness. Through this activity, it is hoped that students of State Senior High School 7 Saparua will be able to increase awareness of disaster risks and disseminate this knowledge within the school and community.
Sekolah Tangguh Bencana : Edukasi Kebumian untuk Generasi Tangguh Resti Limehuwey; Sitti Hafsa Kotarumalos; Rimawanto Gultom; Warni Multi; Philipus Josepus Patty; Aditya Ramadhan; Samsul Bahri
Jurnal Altifani Penelitian dan Pengabdian kepada Masyarakat Vol. 5 No. 6 (2025): November 2025 - Jurnal Altifani Penelitian dan Pengabdian kepada Masyarakat
Publisher : Indonesian Scientific Journal

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59395/altifani.v5i6.901

Abstract

Abstrack Sekolah Tangguh Bencana : Edukasi Kebumian untuk Generasi Tangguh
Analisis Hubungan Suhu Permukaan Tanah, Tutupan Lahan Dan Indeks Kerapatan Vegetasi Menggunakan Data Citra Landsat 8 Di Kota Ambon Resti Limehuwey
Geosfera: Jurnal Penelitian Geografi Vol 4, No 1 (2025): Geosfera : Jurnal Penelitian Geografi
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/geojpg.v4i1.31418

Abstract

Pertambahan jumlah penduduk dapat berdampak pada meningkatnya kebutuhan akan lahan pemukiman. Kondisi ini dapat menjadi masalah karena lahan-lahan yang awalnya adalah vegetasi akan berkurang dan beralih fungsi menjadi lahan terbangun serta dapat mempengaruhi perubahan iklim di perkotaan. Penelitian ini bertujuan untuk mengetahui distribusi spasial SPT, klasifikasi tutupan lahan dan indeks kerapatan vegetasi serta menganalisis hubungan antara ketiganya. Penelitian dilakukan di kota Ambon dengan memanfaatkan data Citra satelit multitemporal Landsat 8 OLI. Hasil penelitian diperoleh SPT tertinggi adalah 30.570C dan terendah -20.200 C. Untuk indeks kerapatan vegetasi tertinggi berkisar antara 0.78-0.86 dan terendah -0.22 s/d -0.86. Untuk Klasifikasi tutupan lahan dibagi menjadi lima kelas yaitu bangunan permukiman, herba dan rumput, hutan, semak belukar dan lahan terbuka. Nilai koefisien Kappa untuk setiap klasifikasi tutupan lahan adalah lebih dari 0.7. Hubungan antara SPT dan kelas tutupan adalah untuk SPT maksimum terdapat pada kelas tutupan lahan bangunan permukiman. Sedangkan untuk nilai SPT minimum didominasi oleh kelas tutupan lahan hutan. Hubungan antara SPT dan NDVI dianalisis dengan model regresi dan koefisien determinasi (R2) yang diperoleh dari pengambilan 50 titik sampel. Hasilnya adalah R2 untuk tahun 2018 adalah 0.5627, tahun 2019 (0.66), tahun 2020 (0.532), tahun 2021 (0.0497)tahun 2022 (0.6748), tahun 2023 (0.1037) dan tahun 2024 (0.1738). Nilai R2 lebih dari sama dengan 0.5 menunjukkan hubungan yang kuat sedangkan untuk nilai kurang dari itu menunjukkan hubungan yang lemah.
Identifikasi dan Prediksi Zona Rawan Bencana Banjir di Daerah Pesisir Kecamatan Teluk Ambon Baguala Aditya Ramadhan; Samsul Bahri; Warni Multi; Sitti Hafsa Kotarumalos; Resti Limehuwey
INSOLOGI: Jurnal Sains dan Teknologi Vol. 4 No. 5 (2025): Oktober 2025
Publisher : Yayasan Literasi Sains Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55123/insologi.v4i5.6559

Abstract

Ambon City, located in the Maluku Province, is experiencing rapid development. This rapid development has resulted in an increasing number of areas that should absorb water being covered by roads and buildings, leading to a decrease in water absorption into the ground and frequent flooding in several areas around the coast. This is due to the drastic increase in rainwater volume, which exceeds the capacity of drainage channels (culverts) and ultimately leads to flooding in rivers. Identifying flood-prone areas is crucial for estimating the potential impact of flooding. The results can be one of the flood mitigation efforts in the area. Geographic Information Systems (GIS) can be a solution for obtaining information on identifying and predicting flood-prone areas by creating, transforming, and analyzing field observation data into maps that show flood-prone areas. In this study, various factors and variables were collected and adjusted with specific considerations drawn from multiple references and reference materials to identify and predict flood vulnerability in the area. The analysis indicates that 5.98% of the coastal area in Teluk Ambon Baguala District has a very high vulnerability to flooding, while 58.89% of the coastal area is characterized by a high level of vulnerability to flooding.
Co-Authors Aditya Ramadhan Aditya Ramadhan Micky Kololu Philipus Josepus Patty Phillipus J Patty Rimawanto Gultom Robert Hutagalung Samsul Bahri Sitti Hafsa Kotarumalos Warni Multi