王华,喻永平,蒋利龙

• 1:广东工业大学土木与交通工程学院
• 2:广州市城市规划勘测设计研究院

摘要(Abstract)：

为了监测地面沉降,文章采用欧空局的Envisat卫星雷达影像和合成孔径雷达干涉方法计算得出珠江三角洲广州、佛山部分区域的沉降范围、沉降速率与沉降时间序列。研究结果显示:广州与佛山两个城市大部分区域的地面沉降速率在2mm/yr以内,最大沉降速率达到6mm/yr~8mm/yr;考虑到全球平均海平面上升速率约为3mm/yr,而珠三角大部分区域的海拔高度都小于2m,"地陷海升"的双重威胁应当引起人们的高度重视。研究成果可以为我国其他三角洲地区的地面沉降监测和灾害防治工作提供参考。

关键词(KeyWords)： InSAR;广州;佛山;地面沉降

Abstract:

Keywords:

基金项目(Foundation): 广州市珠江科技新星专项(2013J2200072)

作者(Author): 王华,喻永平,蒋利龙

DOI: 10.16251/j.cnki.1009-2307.2014.07.014

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