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All Journal JFA (Jurnal Fisika dan Aplikasinya) Science Education and Application Journal
Kanya Adwasyifa
UIN Sunan Gunung Djati Bandung
Chemistry Computer Science & IT Education Energy Physics

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Analysis of Vegetation Density and Surface Temperature in Buahbatu District, Bandung using Landsat 8 Oli/Tirs Satellite Images Riki Purnama Putra; Rena Denya Agustina; Khansa Qurratu’Aini; Kanya Adwasyifa
Jurnal Fisika dan Aplikasinya Vol 18, No 3 (2022)
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat, LPPM-ITS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j24604682.v18i3.12739

Abstract

Urban Heat Island is a phenomenon of increasing temperature that occurs in the city area compared to the surrounding area. Urban Heat Island is caused by reduced vegetation due to changes in rural land use to urban areas. This study was conducted to analysis the relation between vegetation density (NDVI) and surface temperature (LST) in Buahbatu District as an effort to control the impact of the Urban Heat Island phenomenon. This research was conducted by processing data from Landsat 8 OLI/TIRS satellite images in 2019-2020, namely from May to October 2019 and May to October 2020. Data collection was carried out through Google Earth Engine to retrieve geospatial data visualization (satellite imagery) and USGS to download Landsat 8 satellite imagery on Bands 4 and 5, then the data is processed using Arcmap, and Pearson correlation test is performed on SPSS. The results obtained are a correlation between vegetation density and surface temperature. In Buahbatu District, the correlation between vegetation density and surface temperature shows a value of (-.403*) in 2019 and (-.386*) in 2020. Both show a negative correlation, which means that if an area has high vegetation density, the surface temperature will decrease, and vice versa. In addition, Buahbatu District gets a good UHI with an NDVI above 0.25, and an LST below 30 but not less than 25.
Impact of a Collaborative Flipped Classroom with Think-Pair-Share on Physics Problem-Solving Skills Wahyuni Handayani; Kanya Adwasyifa; Ade Yeti Nuryantini
Science Education and Application Journal Vol. 7 No. 2 (2025): Science Education and Application Journal
Publisher : Program Studi Pendidikan IPA, Universitas Islam Lamongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30736/seaj.v7i2.1190

Abstract

This study aims to enhance students’ problem-solving skills in physics, specifically in simple harmonic motion, by implementing a collaborative flipped classroom (FC) model based on discovery learning and the think-pair-share (TPS) method. Using a quasi-experimental design with a non-equivalent control group, the research involved 30 high school students in West Java across two classes. The experimental group participated in flipped classroom activities that incorporated TPS, where students worked in pairs to discuss and explain concepts. Pre-class sessions focused on conceptual understanding, while in-class activities emphasized problem-solving. Both groups received an e-learning module developed by the researchers, which included material descriptions, instructional videos, and guided worksheets. The experimental group showed a significantly higher N-gain (0.85) compared to the control group (0.64), with statistical analysis (independent T test, p<0.005) confirming a significant improvement in problem-solving skills.
Co-Authors Ade Yeti Nuryantini Khansa Qurratu’Aini Rena Denya Agustina Riki Purnama Putra Wahyuni Handayani