IGGCAS OpenIR  > 页岩气与地质工程院重点实验室
Determining the soil-bedrock interface and fracture-zone scope in the central urban area of the Jinan city, China, by using microtremor signals
Du, Yanan1,2,3; Xu, Peifen1,2,3; Ling, Suqun4; Tian, Baoqing1,2; You, Zhiwei1,2,3; Zhang, Ruohan1,2,3
2019-08-01
Source PublicationJOURNAL OF GEOPHYSICS AND ENGINEERING
ISSN1742-2132
Volume16Issue:4Pages:680-689
AbstractTo explore and utilize the urban underground space, it is important for us to accurately obtain information on the near surface structures. Microtremor signals play a vital role in that they carry abundant information about the subsurface structure and can be easily observed under disturbance of human activities in urban areas. We collected microtremor signals at 24 sites along a survey line in central Jinan city, obtained the dispersion curves by using the Extended Spatial Autocorrelation method and the resonance frequencies by using the horizontal-to-vertical spectral ratio method, and inverted the near surface structures by using the forking genetic algorithm. The lateral variation of the soil-rock interface was delineated at a maximum depth of 33 m and a large fracture zone was determined at a width of approximately 300 m. The frequency peaks changed from 2.5 to 7.3 Hz for the fracture and stable zones. A frequency-dependent model of the sediment thickness was obtained as h = 101f(r)(-1.13), where h is the depth with a unit of m and f(r), is the resonance frequency. These results may be useful for understanding near surface structures and then benefit exploration of urban underground space.
Keywordmicrotremor signals soil-bedrock interface fracture-zone scope nonlinear inversion Jinan City
DOI10.1093/jge/gxz040
Funding OrganizationChina Geological Survey Bureau under the Geological Survey Project ; China Geological Survey Bureau under the Geological Survey Project ; China Geological Survey Bureau under the Geological Survey Project ; China Geological Survey Bureau under the Geological Survey Project ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; China Geological Survey Bureau under the Geological Survey Project ; China Geological Survey Bureau under the Geological Survey Project ; China Geological Survey Bureau under the Geological Survey Project ; China Geological Survey Bureau under the Geological Survey Project ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; China Geological Survey Bureau under the Geological Survey Project ; China Geological Survey Bureau under the Geological Survey Project ; China Geological Survey Bureau under the Geological Survey Project ; China Geological Survey Bureau under the Geological Survey Project ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; China Geological Survey Bureau under the Geological Survey Project ; China Geological Survey Bureau under the Geological Survey Project ; China Geological Survey Bureau under the Geological Survey Project ; China Geological Survey Bureau under the Geological Survey Project ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China
WOS KeywordSHEAR-WAVE VELOCITY ; MULTICHANNEL ANALYSIS ; H/V ; THICKNESS ; FAULTS ; DEPTH ; NOISE ; RATIO
Language英语
Funding ProjectChina Geological Survey Bureau under the Geological Survey Project[DD20179611] ; National Natural Science Foundation of China[41474044]
Funding OrganizationChina Geological Survey Bureau under the Geological Survey Project ; China Geological Survey Bureau under the Geological Survey Project ; China Geological Survey Bureau under the Geological Survey Project ; China Geological Survey Bureau under the Geological Survey Project ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; China Geological Survey Bureau under the Geological Survey Project ; China Geological Survey Bureau under the Geological Survey Project ; China Geological Survey Bureau under the Geological Survey Project ; China Geological Survey Bureau under the Geological Survey Project ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; China Geological Survey Bureau under the Geological Survey Project ; China Geological Survey Bureau under the Geological Survey Project ; China Geological Survey Bureau under the Geological Survey Project ; China Geological Survey Bureau under the Geological Survey Project ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; China Geological Survey Bureau under the Geological Survey Project ; China Geological Survey Bureau under the Geological Survey Project ; China Geological Survey Bureau under the Geological Survey Project ; China Geological Survey Bureau under the Geological Survey Project ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China
WOS Research AreaGeochemistry & Geophysics
WOS SubjectGeochemistry & Geophysics
WOS IDWOS:000493090300002
PublisherOXFORD UNIV PRESS
Citation statistics
Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/95766
Collection页岩气与地质工程院重点实验室
Corresponding AuthorXu, Peifen
Affiliation1.Chinese Acad Sci, Key Lab Shale Gas & Geoengn, Inst Geol & Geophys, Beijing 100029, Peoples R China
2.Chinese Acad Sci, Inst Earth Sci, Beijing 100029, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.Geoanal Inst Co Ltd, Tokyo 18400012, Japan
First Author AffilicationInstitute of Geology and Geophysics, Chinese Academy of Sciences
Corresponding Author AffilicationInstitute of Geology and Geophysics, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Du, Yanan,Xu, Peifen,Ling, Suqun,et al. Determining the soil-bedrock interface and fracture-zone scope in the central urban area of the Jinan city, China, by using microtremor signals[J]. JOURNAL OF GEOPHYSICS AND ENGINEERING,2019,16(4):680-689.
APA Du, Yanan,Xu, Peifen,Ling, Suqun,Tian, Baoqing,You, Zhiwei,&Zhang, Ruohan.(2019).Determining the soil-bedrock interface and fracture-zone scope in the central urban area of the Jinan city, China, by using microtremor signals.JOURNAL OF GEOPHYSICS AND ENGINEERING,16(4),680-689.
MLA Du, Yanan,et al."Determining the soil-bedrock interface and fracture-zone scope in the central urban area of the Jinan city, China, by using microtremor signals".JOURNAL OF GEOPHYSICS AND ENGINEERING 16.4(2019):680-689.
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