A Feasibility Study on Gradient Boosting Regressor for Subsurface Sensor-Based Surface Instability Assessment

Urban expansion into rural and peri-urban areas increases landslide risks, posing significant threats to infrastructure and public safety. However, most studies focus on surface displacement or meteorological inputs, with less emphasis on subsurface sensor data that could detect early instability pr...

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Main Authors: Shanelle Aira Rodrigazo, Junhwi Cho, Cherry Rose Godes, Yongseong Kim, Yongjin Kim, Seungjoo Lee, Jaeheum Yeon
Format: Article
Language:English
Published: MDPI AG 2025-03-01
Series:Land
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Online Access:https://www.mdpi.com/2073-445X/14/3/565
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author Shanelle Aira Rodrigazo
Junhwi Cho
Cherry Rose Godes
Yongseong Kim
Yongjin Kim
Seungjoo Lee
Jaeheum Yeon
author_facet Shanelle Aira Rodrigazo
Junhwi Cho
Cherry Rose Godes
Yongseong Kim
Yongjin Kim
Seungjoo Lee
Jaeheum Yeon
author_sort Shanelle Aira Rodrigazo
collection DOAJ
description Urban expansion into rural and peri-urban areas increases landslide risks, posing significant threats to infrastructure and public safety. However, most studies focus on surface displacement or meteorological inputs, with less emphasis on subsurface sensor data that could detect early instability precursors. To address these gaps, this study presents a proof-of-concept validation, establishing the feasibility of using subsurface sensor data to predict near-surface slope displacements. A laboratory-scale slope model (300 cm × 50 cm × 50 cm) at a 30° inclination was subjected to simulated rainfall (150 mm/h for 180 s), with displacement measured at depths of 5 cm and 25 cm using PDP-2000 extensometers. The Gradient Boosting Regressor (GBR) effectively captured the nonlinear relationship between subsurface and surface displacements, achieving high predictive accuracy (R<sup>2</sup> = 0.939, MSE = 0.470, MAE = 0.320, RMSE = 0.686). Results demonstrate that, while subsurface sensors do not detect sudden failure events, they effectively capture progressive deformation, offering valuable inputs for multi-sensor EWS in proactive urban planning. Despite demonstrating feasibility, limitations include the controlled laboratory environment and simplified slope conditions. Future work should focus on field-scale validation and multi-sensor fusion to enhance real-world applicability in diverse geological settings.
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spelling doaj-art-5ba3f7b00d8b4079946fe6988d02b8d92025-08-20T01:48:41ZengMDPI AGLand2073-445X2025-03-0114356510.3390/land14030565A Feasibility Study on Gradient Boosting Regressor for Subsurface Sensor-Based Surface Instability AssessmentShanelle Aira Rodrigazo0Junhwi Cho1Cherry Rose Godes2Yongseong Kim3Yongjin Kim4Seungjoo Lee5Jaeheum Yeon6Department of Regional Infrastructure Engineering, Kangwon National University, Chuncheon 24341, Republic of KoreaDepartment of Regional Infrastructure Engineering, Kangwon National University, Chuncheon 24341, Republic of KoreaDepartment of Regional Infrastructure Engineering, Kangwon National University, Chuncheon 24341, Republic of KoreaDepartment of Regional Infrastructure Engineering, Kangwon National University, Chuncheon 24341, Republic of KoreaSmart E&C, Chuncheon 24341, Republic of KoreaDepartment of Korean Peninsula Infrastructure Special Committee, Korea Institute of Civil Engineering and Building Technology Goyang-si 10223, Republic of KoreaDepartment of Regional Infrastructure Engineering, Kangwon National University, Chuncheon 24341, Republic of KoreaUrban expansion into rural and peri-urban areas increases landslide risks, posing significant threats to infrastructure and public safety. However, most studies focus on surface displacement or meteorological inputs, with less emphasis on subsurface sensor data that could detect early instability precursors. To address these gaps, this study presents a proof-of-concept validation, establishing the feasibility of using subsurface sensor data to predict near-surface slope displacements. A laboratory-scale slope model (300 cm × 50 cm × 50 cm) at a 30° inclination was subjected to simulated rainfall (150 mm/h for 180 s), with displacement measured at depths of 5 cm and 25 cm using PDP-2000 extensometers. The Gradient Boosting Regressor (GBR) effectively captured the nonlinear relationship between subsurface and surface displacements, achieving high predictive accuracy (R<sup>2</sup> = 0.939, MSE = 0.470, MAE = 0.320, RMSE = 0.686). Results demonstrate that, while subsurface sensors do not detect sudden failure events, they effectively capture progressive deformation, offering valuable inputs for multi-sensor EWS in proactive urban planning. Despite demonstrating feasibility, limitations include the controlled laboratory environment and simplified slope conditions. Future work should focus on field-scale validation and multi-sensor fusion to enhance real-world applicability in diverse geological settings.https://www.mdpi.com/2073-445X/14/3/565gradient boosting regressorsubsurface monitoringslope stabilityurban expansion
spellingShingle Shanelle Aira Rodrigazo
Junhwi Cho
Cherry Rose Godes
Yongseong Kim
Yongjin Kim
Seungjoo Lee
Jaeheum Yeon
A Feasibility Study on Gradient Boosting Regressor for Subsurface Sensor-Based Surface Instability Assessment
Land
gradient boosting regressor
subsurface monitoring
slope stability
urban expansion
title A Feasibility Study on Gradient Boosting Regressor for Subsurface Sensor-Based Surface Instability Assessment
title_full A Feasibility Study on Gradient Boosting Regressor for Subsurface Sensor-Based Surface Instability Assessment
title_fullStr A Feasibility Study on Gradient Boosting Regressor for Subsurface Sensor-Based Surface Instability Assessment
title_full_unstemmed A Feasibility Study on Gradient Boosting Regressor for Subsurface Sensor-Based Surface Instability Assessment
title_short A Feasibility Study on Gradient Boosting Regressor for Subsurface Sensor-Based Surface Instability Assessment
title_sort feasibility study on gradient boosting regressor for subsurface sensor based surface instability assessment
topic gradient boosting regressor
subsurface monitoring
slope stability
urban expansion
url https://www.mdpi.com/2073-445X/14/3/565
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