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宁波地面沉降的短基线集监测与分析

Lei ZHANG,Fan YANG, Chaofei LI,Zengpeng ZHAO,Ziwen ZHANG

Science of Surveying and Mapping(2017)

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Abstract
针对传统地面沉降监测手段精度高,但监测周期长、空间分辨率低、人力物力耗费大等问题,该文基于短基线集时序分析技术提取了宁波地区的地表形变信息.首先根据短基线集技术监测结果分析了宁波地区地面沉降分布特征,然后对宁波东部新城的沉降进行了精细化分析,并给出了其沉降原因.结果表明:宁波地区地面沉降整体呈现弱发育特征,部分地区存在轻微地面隆起现象,东部新城地面沉降呈现中度发育特征,并存在不均匀沉降现象,快速的城市化建设是东部新城地面沉降的主要原因.
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Key words
InSAR,small baseline subset,Ningbo,land subsidence
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