张荐铭;甘淑;袁希平;邱鹏瑞;

• 1:昆明理工大学国土资源工程学院
• 2:云南省高校高原山地空间信息测绘技术应用工程研究中心
• 3:昆明冶金高等专科学校

摘要(Abstract)：

针对昆明2015—2017年可能存在的地表沉降问题,该文通过永久性散射体干涉技术和GIS方法,利用34景Sentinel-1时序降轨数据,揭示了昆明市城区地表沉降的空间分布特点和变化规律,并从地质、水文、人为等方面分析了成因和影响因素。研究结果发现,昆明市城区地表整体存在形变,平均速率在±10mm/a之间。以渔户村、广卫村和洪家村为中心形成了3个面积较大的沉降带,分布在靠近滇池北岸的南市区,而西北方向的普吉片区和环城西路附近的棕树营片区是本次研究中发现的两个新沉降点。

关键词(KeyWords)： 永久性散射体干涉技术;Sentinel-1;城市地表沉降;特征提取;分异分析;趋势预判

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目(41561083);; 云南省自然科学基金重点项目(2015FA016)

作者(Authors): 张荐铭;甘淑;袁希平;邱鹏瑞;

DOI: 10.16251/j.cnki.1009-2307.2019.01.011

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