{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,17]],"date-time":"2026-03-17T03:12:56Z","timestamp":1773717176751,"version":"3.50.1"},"reference-count":39,"publisher":"MDPI AG","issue":"13","license":[{"start":{"date-parts":[[2023,6,29]],"date-time":"2023-06-29T00:00:00Z","timestamp":1687996800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"CAS Project for Young Scientists in Basic Research","award":["YSBR-020"],"award-info":[{"award-number":["YSBR-020"]}]},{"name":"CAS Project for Young Scientists in Basic Research","award":["U2001601"],"award-info":[{"award-number":["U2001601"]}]},{"name":"CAS Project for Young Scientists in Basic Research","award":["62175100"],"award-info":[{"award-number":["62175100"]}]},{"name":"CAS Project for Young Scientists in Basic Research","award":["0213-14380202"],"award-info":[{"award-number":["0213-14380202"]}]},{"name":"National Natural Science Foundation of China (NSFC)","award":["YSBR-020"],"award-info":[{"award-number":["YSBR-020"]}]},{"name":"National Natural Science Foundation of China (NSFC)","award":["U2001601"],"award-info":[{"award-number":["U2001601"]}]},{"name":"National Natural Science Foundation of China (NSFC)","award":["62175100"],"award-info":[{"award-number":["62175100"]}]},{"name":"National Natural Science Foundation of China (NSFC)","award":["0213-14380202"],"award-info":[{"award-number":["0213-14380202"]}]},{"name":"Fundamental Research Funds for the Central Universities","award":["YSBR-020"],"award-info":[{"award-number":["YSBR-020"]}]},{"name":"Fundamental Research Funds for the Central Universities","award":["U2001601"],"award-info":[{"award-number":["U2001601"]}]},{"name":"Fundamental Research Funds for the Central Universities","award":["62175100"],"award-info":[{"award-number":["62175100"]}]},{"name":"Fundamental Research Funds for the Central Universities","award":["0213-14380202"],"award-info":[{"award-number":["0213-14380202"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Remote Sensing"],"abstract":"<jats:p>Near-surface structure investigation plays an important role in studying shallow active faults and has various engineering applications. Therefore, we developed a near-surface structure investigation method using ambient noise in a water environment. This newly developed seismic acquisition technology, fiber-optic distributed acoustic sensing (DAS), was used to acquire ambient noise from the Yangtze River. The recorded data were processed to reconstruct surface waves based on the theory of seismic interferometry. The fundamental-mode dispersion curves were extracted and inverted to obtain a shear-wave velocity model below the DAS line. We compared the inverted velocity model with the subsurface geological information from near the study area. The results from the inverted model were consistent with the prior geological information. Therefore, ambient noise in the water environment can be combined with DAS technology to effectively investigate near-surface structures.<\/jats:p>","DOI":"10.3390\/rs15133329","type":"journal-article","created":{"date-parts":[[2023,6,30]],"date-time":"2023-06-30T01:02:41Z","timestamp":1688086961000},"page":"3329","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["Near-Surface Structure Investigation Using Ambient Noise in the Water Environment Recorded by Fiber-Optic Distributed Acoustic Sensing"],"prefix":"10.3390","volume":"15","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-0697-2922","authenticated-orcid":false,"given":"Jie","family":"Shao","sequence":"first","affiliation":[{"name":"Key Laboratory of Petroleum Resource Research, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029, China"},{"name":"Innovation Academy for Earth Science, Chinese Academy of Sciences, Beijing 100029, China"}]},{"given":"Yibo","family":"Wang","sequence":"additional","affiliation":[{"name":"Key Laboratory of Petroleum Resource Research, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029, China"},{"name":"Innovation Academy for Earth Science, Chinese Academy of Sciences, Beijing 100029, China"}]},{"given":"Chi","family":"Zhang","sequence":"additional","affiliation":[{"name":"College of Engineering and Applied Sciences, Nanjing University, Nanjing 210046, China"},{"name":"Key Laboratory of Intelligent Optical Sensing and Manipulation, Ministry of Education, Nanjing University, Nanjing 210093, China"}]},{"given":"Xuping","family":"Zhang","sequence":"additional","affiliation":[{"name":"College of Engineering and Applied Sciences, Nanjing University, Nanjing 210046, China"},{"name":"Key Laboratory of Intelligent Optical Sensing and Manipulation, Ministry of Education, Nanjing University, Nanjing 210093, China"}]},{"given":"Yixin","family":"Zhang","sequence":"additional","affiliation":[{"name":"College of Engineering and Applied Sciences, Nanjing University, Nanjing 210046, China"},{"name":"Key Laboratory of Intelligent Optical Sensing and Manipulation, Ministry of Education, Nanjing University, Nanjing 210093, China"}]}],"member":"1968","published-online":{"date-parts":[[2023,6,29]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"1315","DOI":"10.1121\/1.2227371","article-title":"A passive fathometer technique for imaging seabed layering using ambient noise","volume":"120","author":"Siderius","year":"2006","journal-title":"J. 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