| 基于SBAS-InSAR技术的填海造陆区地表形变监测与分析——以天津港为例 |
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| 引用本文： | 赵现仁,王力彦,马永,王剑,杨晓彤,张峰,邢喆,金波文.基于SBAS-InSAR技术的填海造陆区地表形变监测与分析——以天津港为例[J].海洋通报,2022(5). |
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| 作者姓名： | 赵现仁 王力彦 马永 王剑 杨晓彤 张峰 邢喆 金波文 |
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| 作者单位： | 国家海洋信息中心，天津 300171 |
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| 基金项目： | 国家重点研发计划“科技助力经济 2020 ”重点专项 （SQ2020YFF0426316） |
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| 摘 要： | 为了探究SBAS-InSAR技术在海岸带填海造陆区形变监测的适用性，本文基于28景Sentinel-1A影像，利用SBAS-InSAR技术获取了天津港填海造陆区2018年1月至2019年11月的地表形变信息，揭示天津港填海造陆区的地表形变特征，并分析沉降速率与填海造陆的时间、土地利用类型的关系。结果表明：天津港填海造陆区具有沉降速率范围跨度大、不均匀沉降和多个沉降漏斗的特点，沉降速率范围为-74.9～19.7mm/a；沉降速率与填海造陆时间成反比，早期填海造陆区沉降速率较小，新填海造陆区沉降速率较大；不同土地利用类型的沉降速率差异大。该研究验证了SBAS-InSAR技术在填海造陆区形变监测应用的可行性，为海岸带、海岛礁、滩涂等沿海地区的地面沉降的监测与分析提供了思路。
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| 关 键 词： | SBAS-InSAR Sentinel-1A 天津港 填海造陆 地面沉降 |
| 收稿时间： | 2021/8/4 0:00:00 |
| 修稿时间： | 2021/11/15 0:00:00 |
Monitoring and Analysis of Surface Deformation in Land Reclamation Areas Based on SBAS-InSAR Technology---Take Tianjin Port for example |
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| ZHAO Xianren,WANG Liyan,MA Yong,WANG Jian,YANG xiaotong,ZHANG Feng,XING Zhe,JIN Bowen.Monitoring and Analysis of Surface Deformation in Land Reclamation Areas Based on SBAS-InSAR Technology---Take Tianjin Port for example[J].Marine Science Bulletin,2022(5). |
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| Authors: | ZHAO Xianren WANG Liyan MA Yong WANG Jian YANG xiaotong ZHANG Feng XING Zhe JIN Bowen |
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| Institution: | National Marine Data and Information Service, Tianjin 30071, China |
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| Abstract: | In order to explore the applicability of SBAS-InSAR technology for deformation monitoring in coastal reclamation areas, This paper uses 28 Sentinel-1A images and SBAS-InSAR technology to obtain the surface deformation information of the Tianjin Port reclamation area from January 2018 to November 2019, Reveas the characteristics of surface deformation in the land reclamation area of Tianjin Port, Analyze the relationship between the subsidence rate and the formation time of land reclamation, and analyze the relationship between the subsidence rate and the type of land use. The results show that the land reclamation area of Tianjin Port has the characteristics of a wide range of subsidence rate, uneven settlement and multiple settlement funnels, The subsidence rate ranges from -74.9 to19.7mm/a. The subsidence rate is inversely proportional to the time of reclamation and land reclamation. The subsidence rate of the early reclamation area is smaller, and the settlement rate of the newly reclamation area is higher. Subsidence rates of different land use types vary greatly. This study verifies the feasibility of SBAS-InSAR Technology in deformation monitoring of reclamation area, It provides ideas for monitoring and analysis of land subsidence in coastal zones, islands and tidal flat. |
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