{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,10]],"date-time":"2025-11-10T13:55:13Z","timestamp":1762782913654,"version":"build-2065373602"},"reference-count":38,"publisher":"MDPI AG","issue":"7","license":[{"start":{"date-parts":[[2023,3,29]],"date-time":"2023-03-29T00:00:00Z","timestamp":1680048000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["51704205","51574242","51404272"],"award-info":[{"award-number":["51704205","51574242","51404272"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Remote Sensing"],"abstract":"<jats:p>The current three-dimensional (3D) deformation monitoring methods, based on the single line-of-sight (LOS) interferometric synthetic aperture radar (InSAR) technology, are constructed by combining the deformation characteristics of mining subsidence basins, which are incompletely suitable in the edge area of the subsidence basin and some large deformation gradient mines with surface uplift in the LOS direction.The 3D deformation monitoring method of InSAR combined with the surface displacement vector depression angle model (InSAR+ depression angle model) is proposed to obtain more detailed and accurate deformation information of the entire basin. This method first establishes a surface displacement vector depression angle model based on the probability integral method (PIM). The magnitude of the surface displacement vector\u2014owing to the spatial relationship between the LOS direction and the surface displacement vector\u2014is obtained because the horizontal movement direction field and the displacement vector depression angle field of the mining area determine the 3D directions of the surface displacement vector. Then, the PIM model is used to obtain the settlement information of the central area with a large deformation gradient. A complete subsidence basin of the mining area is received by combining the proposed method and the PIM. A total of 35 Sentinel-1A data from 31 March 2018 to 13 May 2019 and the leveling data were used to apply and analyze the accuracy of this method. The experimental results show that this method can obtain more accurate information on surface subsidence around the mining area. Moreover, the overall settlement is more consistent with the actual situation, and the monitoring ability is significantly improved compared with the InSAR and PIM.<\/jats:p>","DOI":"10.3390\/rs15071834","type":"journal-article","created":{"date-parts":[[2023,3,30]],"date-time":"2023-03-30T01:05:26Z","timestamp":1680138326000},"page":"1834","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":6,"title":["Combination of InSAR with a Depression Angle Model for 3D Deformation Monitoring in Mining Areas"],"prefix":"10.3390","volume":"15","author":[{"given":"Zhihong","family":"Wang","sequence":"first","affiliation":[{"name":"College of GeoScience and Surveying Engineering, China University of Mining and Technology (Beijing), Beijing 100083, China"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8110-9611","authenticated-orcid":false,"given":"Huayang","family":"Dai","sequence":"additional","affiliation":[{"name":"College of GeoScience and Surveying Engineering, China University of Mining and Technology (Beijing), Beijing 100083, China"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9816-0181","authenticated-orcid":false,"given":"Yueguan","family":"Yan","sequence":"additional","affiliation":[{"name":"College of GeoScience and Surveying Engineering, China University of Mining and Technology (Beijing), Beijing 100083, China"}]},{"given":"Jibo","family":"Liu","sequence":"additional","affiliation":[{"name":"School of Mining Engineering, Guizhou University of Engineering Science, Bijie 551700, China"}]},{"given":"Jintong","family":"Ren","sequence":"additional","affiliation":[{"name":"School of Mining Engineering, Guizhou University of Engineering Science, Bijie 551700, China"}]}],"member":"1968","published-online":{"date-parts":[[2023,3,29]]},"reference":[{"key":"ref_1","first-page":"2170","article-title":"Method and problems for subsidence prediction in entire process induced by underground mining","volume":"47","author":"Cui","year":"2022","journal-title":"J. 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