• • 上一篇
周佩佩1, 吴希文1, 王华2, 杜哲远3
Zhou Pei-pei1, Ng Alex Hay-Man1, Wang Hua2, Du Zhe-yuan3
摘要: 使用永久散射体干涉测量(Persistent Scatterer Interferometric,PSI) 技术对福州市2018年1月至2023年6月的66景Sentinel-1A数据进行处理和分析,以获取地面形变监测结果,并通过交叉验证确保结果的精度。研究得到福州市整体形变速率在–44 ~18 mm/yr之间,存在5个沉降较为明显的区域,其中4个靠近地铁线路,最大沉降位于长乐区峡漳路与福北路交界处。该地区的沉降是自然因素与人为因素共同作用的结果。从自然因素来看,沉降主要发生在第四纪沉积物地区;而人为因素则主要包括地铁建设、房屋建造与拆除等建设活动,以及仓库作业中货物装卸导致的地面荷载变化。该研究结果可以为福州市的城市规划建设和沉降灾害预防管理提供参考依据。
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