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着眼于城市建设领域的地表沉降现象,以鹤壁市作为研究对象,获取了2019年1月至2024年6月共165景Sentinel-1A卫星影像数据,并采用小基线集(SBAS-InSAR)技术对研究区地表沉降进行时序监测。同时结合降水与地下水储量数据,分析了鹤壁市地表形变的时空特性和影响因素。结果表明,监测期间鹤壁市整体沉降不显著,部分地区存在地表沉降。其中,地表最大沉降速率达-66 mm/a,最大累积形变量达到-409.71 mm,最大年平均沉降速率-12.18 mm/yr。山城区和鹤山区共识别出3个明显的沉降漏斗,且其范围正逐年扩展。进一步分析表明,降雨是造成鹤壁市地表沉降短期波动的主要因素,雨季过后地表形变通常表现为先抬升后沉降的趋势;地下水储量变化是引起平原区地表形变的关键驱动;而煤矿开采则可能是矿区大范围沉降漏斗形成的主要原因。研究结果可为鹤壁市的治理规划以及预防地质灾害提供参考。
Abstract：Focusing on ground subsidence associated with urban development, Hebi city was selected as the study area. A total of 165 Sentinel-1A satellite images acquired between January 2019 and June 2024 were collected, and the small baseline subset interferometric synthetic aperture radar(SBAS-InSAR) technique was applied to conduct time-series monitoring of ground subsidence in the region. In addition, precipitation and groundwater storage data were incorporated to analyze the spatiotemporal characteristics and influencing factors of surface deformation in Hebi city. The results indicate that overall ground subsidence in Hebi city was not significant during the monitoring period, although localized subsidence occurred in certain areas. The maximum subsidence rate reached-66 mm/a, the maximum cumulative deformation was-409.71 mm, and the maximum annual average subsidence rate was-12.18 mm/yr. Three distinct subsidence bowls were identified in the Shancheng and Heshan districts, and their spatial extent has expanded annually. Further analysis reveals that rainfall is the primary factor driving short-term fluctuations in surface deformation, with a typical pattern of uplift followed by subsidence observed after the rainy season. Variations in groundwater storage are the key driving force of surface deformation in plain areas, whereas coal mining activities are likely the main cause of large-scale subsidence bowls in mining regions. The findings of this study provide a reference for urban planning and geological hazard prevention in Hebi city.
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基本信息:
DOI：10.13990/j.issn1001-3679.2026.02.009
中图分类号:P237;P642.26
引用信息:
[1]施艺,谢小伟,李东泽.基于SBAS-InSAR技术的鹤壁市地表沉降监测及影响因素分析[J].江西科学,2026,44(02):262-271.DOI:10.13990/j.issn1001-3679.2026.02.009.
基金信息:
铀资源探采与核遥感全国重点实验室（东华理工大学）开放基金项目（2025QZ-KF-11）; 江西省自然科学基金项目-面上项目（20252BAC240261）
2025-09-11
2025
2025-10-28
2025-11-14
2025
1
2026-04-15
2026-04-15