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2025 Vol.30, Issue 6 Preview Page
Influence of Integrated Hydrological and Socio-Demographic Characteristics on Ground Stability in Urban Areas

도시 지역 수문특성 및 사회인구적 특성을 반영한 지반 안전성 평가 연구

Hanna Choi12*
,
Sojeong Sim1
,
Yebin Lee12
,
Jaehoon Jung1
,
Kyoochul Ha12
최한나 12*
,
심소정 1
,
이예빈 12
,
정재훈 1
,
하규철 12
1Geo-Environment Research Division, Korea Institute of Geoscience and Mineral Resources, Daejeon 34132, Korea
2University of Science and Technology, Geological Science, Daejeon 34113, Korea
1한국지질자원연구원 지구환경연구본부, 과학기술연합대학원대학교 지질과학
2한국지질자원연구원 지구환경연구본부, 과학기술연합대학원대학교 지질과학
*Corresponding Author
31 December 2025. pp. 118-130
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Abstract

Urban land subsidence has been increasing in Korea due to both natural and human factors. This study investigates the main causes of subsidence and proposes strategies for long-term ground stability in Sejong and Daejeon, rapidly developing cities in central Korea. A spatial database was established by integrating meteorological, hydrogeological, and socio-demographic data within a GIS framework. The results show that areas with low drainage capacity and unconsolidated alluvial deposits are highly vulnerable to subsidence, especially where roads and buildings are densely concentrated. Areas with high-density subsurface facilities exhibit lower groundwater levels and higher frequencies of subsidence, particularly in urban centers. The expansion of impervious surfaces and the rise in groundwater outflow further increase the risk of ground stability weakening. Sejong has experienced a rapid increase in groundwater wells indicating the need for continuous groundwater level monitoring. In Daejeon, large volumes of groundwater discharge from subways and buildings and the deterioration of aging pipelines emphasize the need for improved drainage systems and scheduled maintenance. This study provides a spatially integrated framework for analyzing urban ground stability and supports sustainable urban development through systematic subsurface management.

Keywords
Land subsidence
Urban area
Natural factors
Social factors
Ground stability
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Information
  • Publisher :The Korean Society of Soil and Groundwater Environment
  • Publisher(Ko) :한국지하수토양환경학회
  • Journal Title :Journal of Soil and Groundwater Environment
  • Journal Title(Ko) :지하수토양환경
  • Volume : 30
  • No :6
  • Pages :118-130
  • Received Date : 2025-11-06
  • Revised Date : 2025-11-19
  • Accepted Date : 2025-12-24
  • DOI :https://doi.org/10.7857/JSGE.2025.30.6.118
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