Analysis of land subsidence and groundwater table evolution along subway lines based on InSAR

IF 4.5 Q2 ENVIRONMENTAL SCIENCES

Remote Sensing Applications-Society and Environment Pub Date : 2025-08-01 DOI:10.1016/j.rsase.2025.101696

Zengqi Zhao , Yan Bao , Binchen Zhao

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引用次数: 0

Abstract

In recent years, North China has implemented a series of groundwater recharge policies and strictly controlled exploitation in areas with severe subsidence. Since 2015, the groundwater table (GT) has rebounded significantly, effectively slowing down the rate of land subsidence (LS) in Beijing. However, the sharp rise in GT has caused uneven deformation of the surface along the subway, posing risks to both surface and underground facilities. Within these subsidence zones, LS and groundwater changes are affected by multiple factors, with their temporal patterns reflecting the combined effects. This study aims to (1) Analyze the temporal variation characteristics of the non-uniform LS along the subway lines from 2018 to 2023 using multi-technique interferometric synthetic aperture radar (MT-InSAR), (2)Decompose the LS and GT time series into trend components and period components via the singular spectrum analysis (SSA), and (3)Assess the temporal and periodic correlation between LS and confined aquifer GT.

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基于InSAR的地铁沿线地面沉降及地下水位演变分析

近年来，华北地区实施了一系列地下水补给政策，严格控制沉陷严重地区的开采。2015年以来，北京地下水位明显回升，有效减缓了地面沉降速度。然而，GT的急剧上升引起了地铁沿线地表的不均匀变形，对地表和地下设施都构成了威胁。塌陷区地表和地下水的变化受多种因素的影响，其时间格局表现为综合效应。本研究旨在(1)利用多技术干涉合成孔径雷达（MT-InSAR）分析2018 - 2023年地铁沿线非均匀LS的时间变化特征；(2)通过奇异谱分析（SSA）将LS和GT时间序列分解为趋势分量和周期分量；(3)评估LS与承压含水层GT的时间和周期相关性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Remote Sensing Applications-Society and Environment Multiple-

CiteScore

8.00

自引率

8.50%

发文量

204

审稿时长

65 days

期刊介绍： The journal ''Remote Sensing Applications: Society and Environment'' (RSASE) focuses on remote sensing studies that address specific topics with an emphasis on environmental and societal issues - regional / local studies with global significance. Subjects are encouraged to have an interdisciplinary approach and include, but are not limited by: " -Global and climate change studies addressing the impact of increasing concentrations of greenhouse gases, CO2 emission, carbon balance and carbon mitigation, energy system on social and environmental systems -Ecological and environmental issues including biodiversity, ecosystem dynamics, land degradation, atmospheric and water pollution, urban footprint, ecosystem management and natural hazards (e.g. earthquakes, typhoons, floods, landslides) -Natural resource studies including land-use in general, biomass estimation, forests, agricultural land, plantation, soils, coral reefs, wetland and water resources -Agriculture, food production systems and food security outcomes -Socio-economic issues including urban systems, urban growth, public health, epidemics, land-use transition and land use conflicts -Oceanography and coastal zone studies, including sea level rise projections, coastlines changes and the ocean-land interface -Regional challenges for remote sensing application techniques, monitoring and analysis, such as cloud screening and atmospheric correction for tropical regions -Interdisciplinary studies combining remote sensing, household survey data, field measurements and models to address environmental, societal and sustainability issues -Quantitative and qualitative analysis that documents the impact of using remote sensing studies in social, political, environmental or economic systems