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All Journal Jurnal Penelitian Fisika dan Aplikasinya (JPFA) IPTEK Journal of Science JURNAL PENGABDIAN KEPADA MASYARAKAT Gravity : Jurnal Ilmiah Penelitian dan Pembelajaran Fisika Jurnal Fisika FLUX Informatika Mulawarman: Jurnal Ilmiah Ilmu Komputer INDONESIAN JOURNAL OF APPLIED PHYSICS MATRIK : Jurnal Manajemen, Teknik Informatika, dan Rekayasa Komputer Jurnal Basicedu Jurnal Ilmu Fisika Abdimas Umtas : Jurnal Pengabdian kepada Masyarakat PROJECT (Professional Journal of English Education) Jurnal Computer Science and Information Technology (CoSciTech) International Journal of Community Service Inovasi Fisika Indonesia (IFI) Prisma Sains: Jurnal Pengkajian Ilmu dan Pembelajaran Matematika dan IPA IKIP Mataram MASALIQ: Jurnal Pendidikan dan Sains Journal of Health Management, Administration and Public Health Policies Jurnal Penginderaan Jauh Indonesia BULETIN FISIKA
Uswatun Chasanah
Unknown Affiliation
Religion Agriculture, Biological Sciences & Forestry Arts Humanities Astronomy Biochemistry, Genetics & Molecular Biology Computer Science & IT Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Medicine & Pharmacology Physics Public Health Social Sciences Other

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Facial Thermal Dynamics Analysis as an Indicator of Emotion and Physiological Stress: A Biophysical Study on College Students During Physics Learning Aris Widodo; Uswatun Chasanah
Jurnal Fisika Flux: Jurnal Ilmiah Fisika FMIPA Universitas Lambung Mangkurat Vol 22, No 2 (2025): Jurnal Fisika Flux: Jurnal Ilmiah Fisika FMIPA Universitas Lambung Mangkurat
Publisher : Lambung Mangkurat University Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/flux.v22i2.23176

Abstract

This research explores facial thermal dynamics as a non-invasive indicator of emotion and physiological stress in Indonesian students during physics learning, given the prevalence of mental health issues in this demographic. Academic stress triggers the body's stress response, causing measurable changes in skin surface temperature. Analyzing these variations offers a potential biomarker to assess physiological stress and its associated mental health risks. Using a quantitative approach, the study measured the facial temperature of four participants on their forehead, nose, and lips with a Uti120s thermal camera during four distinct stages of a physics lesson, with the thermographic data subsequently analyzed via Python to calculate temperature, radiation wavelength, heat transfer, and temporal temperature gradients. The average temperature increase was recorded on the forehead: Tmin = 33,86℃, Tmax = 35,34℃,Tincrement  = 1,48 ℃,  nose : Tmin = 30,56 ℃, Tmax = 34,27℃, Tincrement  = 3.32 ℃ and lip : Tmin = 29,82 ℃, Tmax = 34,07℃, Tincrement 3,88 ℃. This temperature increase was observed during the pre-lecture and core lecture stages, then decreased after the quiz. The emitted infrared wave radiation ranges from 9.42μm (forehead), 9.47μm (nose), and 9.48μm (lips), high radiation heat transfer in the forehead area and minimal in the lip area. The temperature gradient is positive at the beginning of the lecture and negative at the end which are not visible to the naked eye but can be captured by thermal cameras as biomarkers of physiological stress. Although there were temperature changes, the detected emotions were mostly neutral, indicating that the physics learning process triggers physiological stress but does not significantly affect mental health negatively in this initial observation.
EVALUASI PENCAHAYAAN PERPUSTAKAAN UNIVERSITAS MUHAMMADIYAH LAMONGAN BERBASIS PEMETAAN INTENSITAS CAHAYA SEBAGAI UPAYA MENGURANGI EYE FATIGUE Vanis Aisyatul Ayu Sugiarti; Uswatun Chasanah; Latifatun Nur Aini; Rohmatul Badiyah
Journal of Health Management, Administration and Public Health Policies Vol. 2 No. 1 (2024): Journal of Health Management, Administration and Public Health Policies
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat, Universitas Muhammadiyah Muara Bungo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52060/hmaps.v2i1.2076

Abstract

Libraries are an important aspect that universities have that involve lighting in their use. Meeting the needs of intensity in accordance with standards can help reduce vision problems, one of which is eye fatigue. The purpose of this study is to evaluate lighting in the library of the University of Muhammadiyah Lamongan.   The method of this research is to take a single data using a luxmeter and then the light intensity data obtained is mapped in the form of a contour map. The results of the study showed that the light intensity value in the library of the University of Muhammadiyah Lamongan had met the SNI of library lighting, which was in the range of 300 lux, because the average intensity value was >300 lux in both zones 1 and 2. The conclusion of this study is that the light intensity in the reading room of the University of Muhammadiyah library meets the SNI standard but still requires a light intensity value that can be used as a comparison so that the data obtained is more accurate, the data can be in the form of sensor measurement data or repeated measurements.
Detection and Characterization of the Grindulu Fault Using TOPEX Satellite Gravity Data: SVD Analysis in the Pacitan Region, East Java Arie Realita; Muhammad Nurul Fahmi; Madlazim Madlazim; Hikmatul Maulidah; Firdha Kusuma Ayu Anggraeni; Uswatun Chasanah
Prisma Sains : Jurnal Pengkajian Ilmu dan Pembelajaran Matematika dan IPA IKIP Mataram Vol. 14 No. 3: July 2026
Publisher : Universitas Pendidikan Mandalika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/j-ps.v14i3.17851

Abstract

The southern part of Java Island is dominated by a volcanic arc system associated with the subduction of the Indo-Australian Plate beneath the Eurasian Plate. This tectonic setting results in a structurally complex region with active fault systems that contribute to an elevated seismic hazard in southern East Java. One prominent structure in this region is the Grindulu Fault in Pacitan Regency, whose trace geometry and subsurface expression remain debated. In this study, we use gravity data to delineate the Grindulu Fault corridor and constrain its spatial configuration. Gravity anomaly data derived from TOPEX satellite observations were corrected to produce Complete Bouguer Anomaly (CBA) values. The CBA data were gridded using kriging with a spacing of Δx = 1 km (≈0.01°). To separate regional and residual components, the Second Vertical Derivative (SVD) method was applied directly to the gridded data, enhancing short-wavelength features while suppressing long-wavelength regional anomalies. Structural boundaries were identified based on continuous NE–SW lineaments characterized by SVD zero-crossings with adjacent positive–negative extrema. The inferred Grindulu Fault is expressed as a NE–SW trending corridor extending approximately between 111.11°–111.28°E and 8.04°–8.15°S. The SVD asymmetry observed along several profiles is consistent with a normal-fault-like density contrast geometry in some sections and a strike-slip fault behavior in others. However, fault kinematics cannot be uniquely determined from gravity-derived derivatives alone without independent geological or seismological validation. Overall, the results provide a reproducible gravity-based constraint on the Grindulu Fault corridor, offering valuable insights for future seismotectonic interpretations and disaster risk reduction planning in southern Java.
Webmap Application Training As An Effort For Flood Mitigation In The Agricultural Sector In Dlanggu Village, Lamongan Regency, East Java, Indonesia Mala Rosa Aprillya; Uswatun Chasanah; Mufti Ari Bianto
International Journal Of Community Service Vol. 2 No. 1 (2022): February 2022 (Indonesia - Malaysia - Philippines)
Publisher : CV. Inara in Colaboration with www.stie-sampit.ac.id

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51601/ijcs.v2i1.65

Abstract

Natural conditions are increasingly uncertain and difficult to predict due to changes in rainfall patterns and climate. Excessive rainfall can cause flooding which is detrimental to the agricultural sector. Flooding is a natural challenge that is often faced in the agricultural sector. This challenge is faced by most of the agricultural land in Lamongan Regency, including in Dlanggu Village. The impact of flooding on rice fields in certain locations which is increasingly widespread and intensive from year to year has caused considerable losses for farmers. The purpose of this activity is to map flood-affected agricultural land in a participatory manner with the help of the WebMap application. The method of implementing this activity includes the preparation stage, implementation stage, and monitoring and evaluation stage. The results of the activity showed that participants were very enthusiastic about this activity program, as evidenced by the positive response in the form of the presence of 96% of the training participants and active discussion activities during the socialization and training took place. After the training, the participants also expected a follow-up in the form of assistance from the service team to improve skills with WebMap applications in other fields. This activity is expected to be a solution that can be offered to provide an early warning system based on mapping so that the delivery of information about floods can be conveyed more quickly to the community, especially people who have agricultural livelihoods to be aware of flood disasters.
Analisis Tingkat Kegempaan Wilayah Jawa Timur berbasis Distribusi Spasial dan Temporal Magnitude Of Completeness (Mc), A-Value Dan B-Value Uswatun Chasanah; Eko Handoyo
INDONESIAN JOURNAL OF APPLIED PHYSICS Vol 11, No 2 (2021): October
Publisher : Department of Physics, Sebelas Maret University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/ijap.v11i2.45984

Abstract

The Space and temporal distribution of the seismicity parameters consisting of magnitude of completeness (Mc), a-value, and b-value were estimated for the East Java, Indonesia using the International Seismological Center (ISC) earthquake catalogue. The main purposes of this research were to determine the parameters of the seismicity and its spatial temporal distribution so that early detection and warning systems in the East Java run optimally. All estimated parameters were analyzed based on an earthquake catalogue during 1980-2020 by applying The Maximum Curvature (MaxC) method. The MaxC method enumerate the highest value of the first subordinate of the cumulative Frequency Magnitude Distribution (FMD) graph. The value of the magnitude of completeness, which was estimated on this study as result Mc 3,4 – 4,8; a-value 5,560 - 8,244; and b-value (0,73 – 0,82 ± 0.13). The lower b-value (0,73 ± 0.13) was obtained for the southern part of the East Java. This area is indicated to have high seismic moment release and rock stress level accumulation. Understanding and clarifying the relation between seismicity parameters and structure of tectonic framework can guidance us to estimate seismic risk for earthquake hazard mitigation in the East Java.
Analisis Intensitas Pencahayaan Artifisial Auditorium Budi Utomo Berdasarkan SNI 6197:2011 Berbasis Peta Kontur Dwi Indah Setiyo Pratiwi Pratiwi; Nur Afni Octavia; Uswatun Chasanah; Asmaul Lutfi Marufah
Inovasi Fisika Indonesia Vol. 15 No. 1 (2026): Vol 15 No 1
Publisher : Prodi Fisika FMIPA Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/ifi.v15n1.p39-47

Abstract

Abstrak Pencahayaan buatan memiliki peran penting dalam menciptakan kenyamanan visual dan efisiensi energi di ruang tertutup, terutama pada bangunan publik seperti auditorium. Kualitas pencahayaan diukur melalui intensitas cahaya (lux) dan keseragaman distribusi cahaya yang sesuai dengan standar SNI 6197:2011. Standar tersebut menetapkan tingkat pencahayaan minimum sebesar 300 lux dan rasio keseragaman minimal 0,7 untuk ruang dengan aktivitas visual menengah hingga tinggi. Penelitian ini bertujuan untuk menganalisis sebaran intensitas cahaya buatan di Auditorium Budi Utomo Universitas Muhammadiyah Lamongan menggunakan alat ukur lux meter dan perangkat lunak Surfer. Pengukuran dilakukan pada 290 titik dengan jarak antar titik 60 cm dalam kondisi seluruh lampu menyala. Hasil pengukuran menunjukkan bahwa intensitas cahaya di auditorium berkisar antara 50 hingga 110 lux dengan rata-rata 84,2 lux, masih jauh di bawah standar SNI. Hasil pemetaan menggunakan Surfer memperlihatkan area tengah auditorium memiliki intensitas tertinggi, sedangkan bagian tepi depan dan belakang lebih rendah. Nilai keseragaman pencahayaan (uniformity ratio) sebesar 0,59 menandakan distribusi cahaya belum merata. Kondisi ini menunjukkan bahwa sistem pencahayaan auditorium belum optimal, baik dari segi intensitas maupun pemerataan, sehingga dapat menurunkan kenyamanan visual. Diperlukan penambahan titik lampu, penggunaan lampu berefikasi tinggi, dan penataan ulang armatur agar pencahayaan menjadi efisien, merata, dan sesuai standar nasional.   Abstract Artificial lighting plays an important role in creating visual comfort and energy efficiency in enclosed spaces, especially in public buildings such as auditoriums. Lighting quality is measured through light intensity (lux) and uniformity of light distribution according to the SNI 6197:2011 standard. The standard stipulates a minimum lighting level of 300 lux and a uniformity ratio of 0.7 for spaces with moderate to high visual activity. This study aims to analyze the distribution of artificial light intensity in the Budi Utomo Auditorium, Muhammadiyah University of Lamongan using a lux meter and Surfer software. Measurements were conducted at 290 points with a distance between points of 60 cm with all lights on. The measurement results show that the light intensity in the auditorium ranges from 50 to 110 lux with an average of 84.2 lux, still far below the SNI standard. The mapping results using Surfer show that the center area of ​​the auditorium has the highest intensity, while the front and rear edges are lower. The lighting uniformity ratio value of 0.59 indicates that the light distribution is not yet even. This situation indicates that the auditorium's lighting system is suboptimal, both in terms of intensity and distribution, which can reduce visual comfort. Additional lighting points, the use of high-efficiency lamps, and the rearrangement of fixtures are needed to ensure efficient and even lighting and meet national standards.
Analisis Spasial-Temporal Fluktuasi TDS dan Konduktivitas Listrik sebagai Indikator Awal Kontaminasi Logam Berat: Tinjauan Pustaka Uswatun Chasanah
Jurnal Penginderaan Jauh Indonesia Vol 4 No 2 (2025)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/jpji.v4i2.8230

Abstract

Total Dissolved Solids (TDS) dan Konduktivitas Listrik (Electrical Conductivity/EC) merupakan parameter kunci dalam pemantauan kualitas air yang sering berkorelasi kuat dengan keberadaan kontaminan, termasuk logam berat. Tinjauan pustaka ini bertujuan untuk menganalisis perkembangan tema penelitian mengenai hubungan spasial-temporal antara TDS, EC, dan kontaminasi logam berat dalam air tanah dan permukaan berdasarkan studi-studi terkini. Metode yang digunakan adalah tinjauan sistematis terhadap beberapa artikel penelitian yang terindeks Scopus yang terbit antara tahun 2016 hingga 2025. Hasil analisis menunjukkan bahwa TDS dan EC secara konsisten berfungsi sebagai indikator awal yang efektif untuk identifikasi awal area yang tercemar logam berat, dimana nilai tinggi kedua parameter ini sering kali bertepatan dengan konsentrasi logam berat (seperti Cd, Pb, Cr) yang melebihi batas aman. Studi-studi tersebut memanfaatkan teknik Geographic Information System (GIS) dan penginderaan jauh untuk memetakan sebaran spasial dan tren temporal. Tinjauan ini juga mengidentifikasi kesenjangan penelitian, seperti kebutuhan akan model empiris yang lebih kuat yang menghubungkan langsung variasi TDS dan EC dengan jenis dan konsentrasi logam berat spesifik, serta perlunya integrasi data satelit resolusi tinggi untuk pemantauan berkelanjutan. Disimpulkan bahwa pendekatan integratif antara pengukuran in-situ TDS EC, analisis logam berat, dan teknologi geospasial sangat penting untuk manajemen sumber daya air yang berkelanjutan.
Co-Authors Afifi Mutiarani AFIFI MUTIARANI Aini, Latifatun Nur Anggraeni, Firdha Kusuma Ayu Arie Realita Aris Widodo Aris Widodo Aris Widodo Aris Widodo Asmaul Lutfi Marufah Ayu Sugiarti, Vanis Aisyatul AZWAR ANNAS, MUHAMAD Badiyah, Rohmatul Badiyah, Rohmatul Dwi Indah Setiyo Pratiwi Pratiwi Eko Handoyo Fais Wahidatul Arifatin Garist Sekar Tanjung Hana Dwi Cahyani Henny Dwi Bhakti Hikmatul Maulidah Humairah Humairah Irwan Setyowidodo, Bagus Jaya Santosa Jihan Nia Shohaya Latifatun Nur Aini Lilik Wahyuni P Lilik Wahyuni P M Madlazim Madlazim Madlazim Madlazim Madlazim Madlazim, M Mafruudloh, Naajihah Makrufah, Asmaul Lutfi Mala Rosa Aprillya Masria Musfiana Mufti Ari Bianto Muhammad Nurul Fahmi Muktamar Cholifah Aisiyah Nesya Nuur Rahmawati Nia Shohaya, Jihan Nur Afni Octavia Rohmatul Badiyah Sandi, Aris Siti Diah Ayu Febriani Tjipto Prastowo Vanis Aisyatul Ayu Sugiarti