百年煤城地表沉降融合PS/SBAS InSAR监测——以徐州市为例

doi:10.13474/j.cnki.11-2246.2017.0013

测绘通报 ›› 2017, Vol. 0 ›› Issue (1): 58-64.doi: 10.13474/j.cnki.11-2246.2017.0013

百年煤城地表沉降融合PS/SBAS InSAR监测——以徐州市为例

姜德才, 张继贤, 张永红, 吴宏安, 康永辉

中国测绘科学研究院, 北京 100830

收稿日期:2016-04-20 出版日期:2017-01-25 发布日期:2017-02-06
通讯作者: 张永红。E-mail:yhzhang@casm.ac.cn E-mail:yhzhang@casm.ac.cn
作者简介:姜德才(1990-),男,硕士生,研究方向为合成孔径雷达干涉测量。E-mail:jiangdc_rs@sina.com
基金资助:
国家973计划（2012CB719905）；自然科学基金（41271430；41304010）

Ground Deformation over Century-long Coal Mining City Monitored through Incorporating Both PS and SBAS InSAR: A Case Study of Xuzhou

JIANG Decai, ZHANG Jixian, ZHANG Yonghong, WU Hongan, KANG Yonghui

Chinese Academy of Surveying and Mapping, Beijing 100830, China

Received:2016-04-20 Online:2017-01-25 Published:2017-02-06

摘要/Abstract

摘要： 融合PS/SBAS算法成为当前InSAR技术的研究热点，本文通过融合PS/SBAS的优势，利用128景ALOS PALSAR影像和24景Radarsat-2影像获取了百年煤城徐州地区2007-2015年的地表形变场及变化趋势。试验结果表明：①2007-2011年，徐州主要有4个沉降区，分布在沛县、丰县、铜山区和贾汪区。②2012-2015年，沛县、丰县和铜山区地表沉降范围有所扩大；贾汪区地表沉降范围和速率明显减小，说明近年来贾汪区重点治理采矿塌陷工作已初步见效；另外，睢宁县县城出现明显沉降。③已有文献对沛县大屯中心区的沉降监测结果验证了试验结果是可靠的。④首次提取了徐州近8年间地表沉降的信息，可为该地区开展地表沉降调查监测与防治工作提供参考；试验方法可为全国开展地表沉降调查监测工作提供参考。

关键词: 雷达差分干涉测量, 煤城, 地表沉降, 徐州

Abstract: The algorithm fusion of permanent scatterers interferometric SAR (PS InSAR) and small baseline subset interferometric SAR (SBAS InSAR) has become a hot spot of InSAR technology. By fusing the advantages of PS/SBAS, 128 ALOS PALSAR images (from 2007 to 2011) and 24 Radarsat-2 images (from 2012 to 2015) are used to extract the ground deformation field and trend in recent 8 years over Xuzhou region with century-long coal mining history. The experiment results demonstrate that:① From 2007 to 2011, four main subsidence areas have been found in Xuzhou, locating in Peixian County, Fengxian County, Tongshan District and Jiawang District. ② From 2012 to 2015, the subsidence range of Peixian County, Fengxian County and Tongshan District is expanding; however, the subsidence range and rate of Jiawang District decrease significantly. The phenomenon shows that the governance of mining subsidence in Jiawang District has achieved good results in recent years. In addition, there comes into apparent subsidence in Suining County. ③ The results of this experiment has been validated by the published research results on ground subsidence in Datun Center District, Peixian County. ④ The results represents the first-ever subsidence information in the recent 8 years in Xuzhou, which can be applied to monitor and control the subsidence in this area.The monitoring result is of high significance for monitoring and control, prevention and mitigation of ground subsidence disaster over the region.

Key words: differential interferometric SAR(DInSAR), coal mining city, ground deformation, Xuzhou city

中图分类号:

P237

姜德才, 张继贤, 张永红, 吴宏安, 康永辉. 百年煤城地表沉降融合PS/SBAS InSAR监测——以徐州市为例[J]. 测绘通报, 2017, 0(1): 58-64.

JIANG Decai, ZHANG Jixian, ZHANG Yonghong, WU Hongan, KANG Yonghui. Ground Deformation over Century-long Coal Mining City Monitored through Incorporating Both PS and SBAS InSAR: A Case Study of Xuzhou[J]. 测绘通报, 2017, 0(1): 58-64.

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百年煤城地表沉降融合PS/SBAS InSAR监测——以徐州市为例

Ground Deformation over Century-long Coal Mining City Monitored through Incorporating Both PS and SBAS InSAR: A Case Study of Xuzhou

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