董山,张永红,李明巨,康永辉,刘波

• 1:辽宁工程技术大学测绘与地理科学学院
• 2:中国测绘科学研究院
• 3:江苏省基础地理信息中心

摘要(Abstract)：

针对连云港和盐城北部等地区的地表沉降问题,该文基于改进的多主影像相干目标小基线干涉技术,并利用多时相ALOS PALSAR和Radarsat-2干涉影像研究该地区的地表沉降。研究表明,虽然2007—2011年连云港及盐城北部地区整体地表状态相对稳定,但在连云港沿海地区和盐城市区存在明显沉降,最大沉降速率高达-80 mm/a;2012—2015年连云港市与盐城市北部地表沉降明显加剧,连云区和赣榆区持续发生沉降,灌云县、灌南县、响水县以及涟水县的成片沉降形成了大范围沉降漏斗,其中连云港市和盐城北部最大沉降速率分别为-76和-81mm/a;连云港与盐城北部地区沉降速率小于-10mm/a,其沉降区域面积分别达到了1 054.49和1 492.11km2,对当地社会、经济的危害不容忽视。

关键词(KeyWords)： 时间序列;InSAR;地表沉降;连云港;盐城

Abstract:

Keywords:

基金项目(Foundation): 江苏全省地表形变遥感(InSAR)监测项目(JSZC-G2016-137)

作者(Author): 董山,张永红,李明巨,康永辉,刘波

DOI: 10.16251/j.cnki.1009-2307.2019.03.010

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