ANALISIS PERMUKAAN DANGKAL BERDASARKAN METODE TRANSIENT SOIL THERMAL DI KAWASAN UNIVERSITAS SAMUDRA
Abstract
This study aims to analyze shallow surfaces based on the Transient Soil Thermal method at the University of Samudra's Basic Laboratory Area. The focus is on determining the thermal conductivity values of the soil and interpreting their spatial distribution in the context of geophysical review. Using the MAE Ground Soil Thermal TCR24 ASTM D5334-14 instrument and GPS, temperature responses over time were measured as the basis for calculating thermal conductivity values. A total of 16 measurement points were divided into 2 transects, each with a depth of 40 cm. Data processing was conducted using Google Colab to visualize the temperature-time curve, calculate thermal conductivity values, and interpret the results. The study findings indcate that the Transient Soil Thermal method is effective in determining thermal conductivity values based on temperature response over time, where the temperature curve increases gradually and consistently, and the coefficient of determination (R²) is generally high at 0.999. Soil thermal conductivity values varied between points, ranging from 0.75 to 3.7 W/mK, show differences in soil characteristics in the shallow soil layer, and were influenced by soil physical conditions such as texture, density, water content, and mineral composition, including sandstone, limestone, mica, granite, clay, and water.
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