Analysis of the Spatiotemporal Variation in Land Subsidence on the Beijing Plain, China
Since the 1970s, land subsidence has been rapidly developing on the Beijing Plain, and the systematic study of the evolutionary mechanism of this subsidence is of great significance in the sustainable development of the regional economy. On the basis of Interferometric Synthetic Aperture Radar (InSA...
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MDPI AG
2019-05-01
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| Series: | Remote Sensing |
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| Online Access: | https://www.mdpi.com/2072-4292/11/10/1170 |
| _version_ | 1819294065200463872 |
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| author | Lin Guo Huili Gong Feng Zhu Lin Zhu Zhenxin Zhang Chaofan Zhou Mingliang Gao Yike Sun |
| author_facet | Lin Guo Huili Gong Feng Zhu Lin Zhu Zhenxin Zhang Chaofan Zhou Mingliang Gao Yike Sun |
| author_sort | Lin Guo |
| collection | DOAJ |
| description | Since the 1970s, land subsidence has been rapidly developing on the Beijing Plain, and the systematic study of the evolutionary mechanism of this subsidence is of great significance in the sustainable development of the regional economy. On the basis of Interferometric Synthetic Aperture Radar (InSAR) results, this study employed the Mann–Kendall method for the first time to determine the mutation information of land subsidence on the Beijing Plain from 2004 to 2015. By combining the hydrogeological conditions, “southern water” project, and other data, we attempted to analyse the reasons for land subsidence mutations. First, on the basis of ENVISAT ASAR and RADARSAT-2 data, the land subsidence of the Beijing Plain was determined while using small baseline interferometry (SBAS-InSAR) and Persistent Scatterers Interferometry (PSI). Second, on the basis of the Geographic Information System (GIS) platform, vector data of displacement under different scales were obtained. Through a series of tests, a scale of 960 metres was selected as the research unit and the displacement rate from 2004 to 2015 was obtained. Finally, a trend analysis of land subsidence was carried out on the basis of the Mann–Kendall mutation test. The results showed that single-year mutations were mainly distributed in the middle and lower parts of the Yongding River alluvial fan and the Chaobai River alluvial fan. Among these mutations, the greatest numbers occurred in 2015 and 2005, being 1344 and 915, respectively. The upper and middle alluvial fan of the Chaobai River, the vicinity of the emergency water sources, and the edge of the groundwater funnel have undergone several mutations. Combining hydrogeological data of the study area and the impact of the south-to-north water transfer project, we analysed the causes of these mutations. The experimental results can quantitatively verify the mutation information of land subsidence in conjunction with time series to further elucidate the spatial-temporal variation characteristics of land subsidence in the study area. |
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| language | English |
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| publishDate | 2019-05-01 |
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| series | Remote Sensing |
| spelling | doaj.art-18f7681a6f0b466ab946eb8126ad5fda2022-12-21T17:15:50ZengMDPI AGRemote Sensing2072-42922019-05-011110117010.3390/rs11101170rs11101170Analysis of the Spatiotemporal Variation in Land Subsidence on the Beijing Plain, ChinaLin Guo0Huili Gong1Feng Zhu2Lin Zhu3Zhenxin Zhang4Chaofan Zhou5Mingliang Gao6Yike Sun7College of Resources Environment and Tourism, Capital Normal University, 105 North Road of the Western 3rd Ringroad, Haidian District, Beijing 100048, ChinaCollege of Resources Environment and Tourism, Capital Normal University, 105 North Road of the Western 3rd Ringroad, Haidian District, Beijing 100048, ChinaDepartment of Geography, Yuying School, 11 West Street of Wanshou Road, Haidian District, Beijing 100036, ChinaCollege of Resources Environment and Tourism, Capital Normal University, 105 North Road of the Western 3rd Ringroad, Haidian District, Beijing 100048, ChinaCollege of Resources Environment and Tourism, Capital Normal University, 105 North Road of the Western 3rd Ringroad, Haidian District, Beijing 100048, ChinaCollege of Resources Environment and Tourism, Capital Normal University, 105 North Road of the Western 3rd Ringroad, Haidian District, Beijing 100048, ChinaCollege of Resources Environment and Tourism, Capital Normal University, 105 North Road of the Western 3rd Ringroad, Haidian District, Beijing 100048, ChinaCollege of Resources Environment and Tourism, Capital Normal University, 105 North Road of the Western 3rd Ringroad, Haidian District, Beijing 100048, ChinaSince the 1970s, land subsidence has been rapidly developing on the Beijing Plain, and the systematic study of the evolutionary mechanism of this subsidence is of great significance in the sustainable development of the regional economy. On the basis of Interferometric Synthetic Aperture Radar (InSAR) results, this study employed the Mann–Kendall method for the first time to determine the mutation information of land subsidence on the Beijing Plain from 2004 to 2015. By combining the hydrogeological conditions, “southern water” project, and other data, we attempted to analyse the reasons for land subsidence mutations. First, on the basis of ENVISAT ASAR and RADARSAT-2 data, the land subsidence of the Beijing Plain was determined while using small baseline interferometry (SBAS-InSAR) and Persistent Scatterers Interferometry (PSI). Second, on the basis of the Geographic Information System (GIS) platform, vector data of displacement under different scales were obtained. Through a series of tests, a scale of 960 metres was selected as the research unit and the displacement rate from 2004 to 2015 was obtained. Finally, a trend analysis of land subsidence was carried out on the basis of the Mann–Kendall mutation test. The results showed that single-year mutations were mainly distributed in the middle and lower parts of the Yongding River alluvial fan and the Chaobai River alluvial fan. Among these mutations, the greatest numbers occurred in 2015 and 2005, being 1344 and 915, respectively. The upper and middle alluvial fan of the Chaobai River, the vicinity of the emergency water sources, and the edge of the groundwater funnel have undergone several mutations. Combining hydrogeological data of the study area and the impact of the south-to-north water transfer project, we analysed the causes of these mutations. The experimental results can quantitatively verify the mutation information of land subsidence in conjunction with time series to further elucidate the spatial-temporal variation characteristics of land subsidence in the study area.https://www.mdpi.com/2072-4292/11/10/1170Land subsidencePersistent Scatterers InterferometrySmall baseline interferometryMann-Kendall mutation testFishnet |
| spellingShingle | Lin Guo Huili Gong Feng Zhu Lin Zhu Zhenxin Zhang Chaofan Zhou Mingliang Gao Yike Sun Analysis of the Spatiotemporal Variation in Land Subsidence on the Beijing Plain, China Remote Sensing Land subsidence Persistent Scatterers Interferometry Small baseline interferometry Mann-Kendall mutation test Fishnet |
| title | Analysis of the Spatiotemporal Variation in Land Subsidence on the Beijing Plain, China |
| title_full | Analysis of the Spatiotemporal Variation in Land Subsidence on the Beijing Plain, China |
| title_fullStr | Analysis of the Spatiotemporal Variation in Land Subsidence on the Beijing Plain, China |
| title_full_unstemmed | Analysis of the Spatiotemporal Variation in Land Subsidence on the Beijing Plain, China |
| title_short | Analysis of the Spatiotemporal Variation in Land Subsidence on the Beijing Plain, China |
| title_sort | analysis of the spatiotemporal variation in land subsidence on the beijing plain china |
| topic | Land subsidence Persistent Scatterers Interferometry Small baseline interferometry Mann-Kendall mutation test Fishnet |
| url | https://www.mdpi.com/2072-4292/11/10/1170 |
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