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All Journal Jurnal Talenta Sipil
Senggarang, Raphael Rio Dewa
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Civil Engineering, Building, Construction & Architecture Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology

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Mapping of Land Surface Temperature in Relation to Rainfall in Pasuruan Regency Using Geographic Information System (GIS) Senggarang, Raphael Rio Dewa; Wibisana, Hendrata
Jurnal Talenta Sipil Vol 9, No 1 (2026): Februari
Publisher : Universitas Batanghari Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33087/talentasipil.v9i1.1145

Abstract

This study aims to analyze the relationship between Land Surface Temperature (LST) and rainfall in Pasuruan Regency by utilizing Geographic Information System (GIS) technology. Surface temperature data were obtained from Landsat 8 Band 10 satellite imagery, which was converted into temperature in both Kelvin and Celsius, while rainfall data were collected from 20 observation stations distributed across the region.The analysis results indicate a negative correlation between land surface temperature and rainfall, particularly in high-elevation areas that exhibit lower temperatures and higher rainfall. Using the cubic polynomial model algorithm y = -3E-09x³ + 2E-05x² - 0.0272x + 43.296, the resulting correlation coefficient is 0.2762. This value falls within the interval of 0.20–0.40, which indicates a weak relationship between rainfall and land surface temperature. Rainfall, as variable X, contributes 27.62% to land surface temperature, which acts as variable Y.GIS has proven effective in visualizing the spatial distribution of temperature and rainfall data, providing valuable insights for spatial planning and climate change mitigation in tropical regions.
Co-Authors Hendrata Wibisana