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All Journal Jurnal Pengabdian Kepada Masyarakat (Indonesian Journal of Community Engagement) Journal of Geoscience, Engineering, Environment, and Technology Eksakta : Berkala Ilmiah Bidang MIPA Jurnal Riset Rumpun Ilmu Teknik (JURRITEK) Jurnal Pengabdian Masyarakat Bangsa Jurnal Ekonomi, Manajemen Pariwisata dan Perhotelan
Arie Afriadi
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Journal : Journal of Geoscience, Engineering, Environment, and Technology

 1 
Potential Hazards of Erosion and Conservation Strategis in the Sail Sub-Watershed, Pekanbaru City, Riau Province, Indonesia Ramsof, Rani Amalia; Zakaria, Zufialdi; Irvan Sophian; Arie Afriadi
Journal of Geoscience, Engineering, Environment, and Technology Vol. 10 No. 1 (2025): JGEET Vol 10 No 01 : March (2025)
Publisher : UIR PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25299/jgeet.2025.10.1.20795

Abstract

Erosion in watershed area can be triggered by changes in land use, human activities, and cause increased sedimentation, flood risk, and environmental degradation, effective conservation measures are necessary to ensure its impact is reduced. To determine potential erosion hazards in Sail Sub-Watershed the method used is Revised Universal Soil Loss Equation (RUSLE), parameters include rainfall, soil erodibility, slope length and slope, and land cover and soil conservation. In addition, an analysis of permissible erosion and an erosion hazard index were carried out. The research results show that the level of erosion hazard is influenced by the value of the rain erosivity factor (R) of 2678.98 m with the wet rainfall classification. The soil erodibility factor (K) is dominated by cambisol soil types with a K value of 0.28 and podzolic with a K value of 0.20. The length and slope (LS) factors are dominated by flat topography with an LS value of 0.4. Meanwhile, the land cover and soil conservation (CP) factors mostly consist of open land, shrubs and plantations that have not received any conservation efforts. The erosion hazard level (TBE) in  ranges from moderate to very severe, indicating that the areas affected by erosion are predominantly due to the use of open land, such as at station 16. The erosion hazard index (EHI) varies from moderate to very high. As a land conservation effort, vegetative methods in the form of reforestation are recommended for open land, while terrace walls or wet masonry are recommended for agricultural land and plantations. In addition, conservation structures such as retaining walls, bench terraces, or stairs can be implemented on plantation land to reduce the danger of erosion.
Correlation Between Land Cover Change and the Spatial Distribution of Land Surface Temperature in Tanjungpinang City, Indonesia Afriadi, Arie; Septio, Ghenady; Chidmahdjati, Aria Bagiasa; Saputri, Dea Rizky
Journal of Geoscience, Engineering, Environment, and Technology Vol. 11 No. 1 (2026): JGEET Vol 11 No 01 : March (2026)
Publisher : UIR PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25299/jgeet.2026.11.1.22825

Abstract

Land cover change is a global environmental issue driving the Urban Heat Island (UHI) effect, in which artificial surfaces experience higher temperatures than vegetated areas. Tanjungpinang City, the capital of the Riau Islands Province, has experienced rapid development driven by population growth, leading in the conversion of green spaces into settlements and infrastructure and increasing urban heat island (UHI) risks. This study analyzes changes in land cover and land surface temperature (LST) from 2003 to 2023 and examines their Correlation. Using Google Earth Engine (GEE), we processed Landsat and MODIS imagery and used correlation analysis to assess the relationship between land cover changes and land surface temperature (LST) dynamics. The results of the study indicate that during the 2003–2023 period, Built-up Land experienced a significant increase of 27.15 km², which inversely correlated with a reduction in Vegetation area by 14.02 km². This transformation triggered an expansion of areas categorized under high and very high land surface temperatures in Tanjungpinang City. Correlation and regression analyses confirm a strong negative relationship between Vegetation and LST, underscoring vegetation's crucial role in reducing heat through shading and evapotranspiration. Conversely, Built-up Land shows a strong positive correlation with LST, highlighting its contribution as a primary driver of surface heat. Meanwhile, Water Bodies and Bare Land exhibit more varied influences with relatively minor impacts on overall urban temperature fluctuations. In general, this research concludes that the conversion of vegetated land to Built-up Land is the main factor driving increases in surface temperatures in Tanjungpinang City. These findings are expected to serve as a strategic foundation for the local government in evaluating spatial planning policies and prioritizing the integration of Green Open Spaces to achieve sustainable urban planning that is adaptive to climate change.
Co-Authors Alajuri, M Hasbi Sidqi Bavitra, Bavitra Bonardo, Doli Chidmahdjati, Aria Bagiasa Harahap, Basyaruddin Ismail Harne Julianti Tou Hoki Apriyenson Irvan Sophian Nefriwati Hilmi Ramsof, Rani Amalia Saputri, Dea Rizky Septio, Ghenady Travis, Dave Zufialdi Zakaria Zuleriawati, A.S6 Zuleriwati A.S