IOCAS-IR
Spatial and temporal variations in subsidence due to the natural consolidation and compaction of sediment in the yellow river delta, china
Zhang, Yi1,2; Huang, Haijun1,2; Liu, Yilin1; Liu, Yanxia1; Bi, Haibo1
2019-02-07
Source PublicationMARINE GEORESOURCES & GEOTECHNOLOGY
ISSN1064-119X
Volume37Issue:2Pages:152-163
Corresponding AuthorZhang, Yi(zhangyi14s@mails.ucas.ac.cn)
AbstractThe Yellow River Delta, which is the second-largest delta in China, has experienced varying degrees of land subsidence since the late 1970s. Although recent studies have identified the natural consolidation and compaction of sediment among the most important contributors to geologic processes, their processes have rarely been quantified. We estimated the sediment compaction over different time ranges to determine the temporal evolution of subsidence parameters (i.e., cumulative compaction). Estimates of primary consolidation, secondary consolidation, and the degree of consolidation in 152 boreholes revealed the spatial-temporal characteristics of sediment compaction and consolidation using geotechnical parameters collected from 152 boreholes, soil mechanics equations and the Kriging interplolation method. In addition, these estimates were partially constrained and cross-validated using the interferometric synthetic aperture radar (InSAR) results from early 2007 to late 2010 which were provided in a previous study. By performing a comparison analysis between theoretical evaluations of compaction for borehole data and InSAR observations, we were able to quantify subsidence due to sediment compaction. The comparison results suggest that the theoretical solutions agreed well with the measurements recorded by the well-validated, advanced InSAR method and that the deviations between the InSAR technique and geotechnical evaluations ranged from -22 to 3 mm. The results reveal that the land subsidence of the chosen borehole sites during the investigative period was dominated by the primary consolidation and compaction of sediment. The underprediction of subsidence may be explained by fluid withdrawal, oil exploitation and engineering construction. To speculate, more geological disasters may occur if the current subsidence condition extends into the future.
KeywordGeotechnical estimate InSAR observations sediment compaction and consolidation spatial and temporal evolution yellow river delta
DOI10.1080/1064119X.2017.1414903
Indexed BySCI
Language英语
Funding ProjectNSFC (Natural Science Foundation of China)-Shandong Joint Fund for Marine Science Research Centers[U1606401] ; National Natural Science Foundation of China[41276082] ; National Natural Science Foundation of China[41706092]
WOS Research AreaEngineering ; Oceanography ; Mining & Mineral Processing
WOS SubjectEngineering, Ocean ; Engineering, Geological ; Oceanography ; Mining & Mineral Processing
WOS IDWOS:000469403300003
PublisherTAYLOR & FRANCIS INC
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/161647
Collection中国科学院海洋研究所
Corresponding AuthorZhang, Yi
Affiliation1.Chinese Acad Sci, Inst Oceanol, 7 Nanhai Rd, Qingdao, Shandong, Peoples R China
2.Univ Chinese Acad Sci, Beijing, Peoples R China
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Corresponding Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Zhang, Yi,Huang, Haijun,Liu, Yilin,et al. Spatial and temporal variations in subsidence due to the natural consolidation and compaction of sediment in the yellow river delta, china[J]. MARINE GEORESOURCES & GEOTECHNOLOGY,2019,37(2):152-163.
APA Zhang, Yi,Huang, Haijun,Liu, Yilin,Liu, Yanxia,&Bi, Haibo.(2019).Spatial and temporal variations in subsidence due to the natural consolidation and compaction of sediment in the yellow river delta, china.MARINE GEORESOURCES & GEOTECHNOLOGY,37(2),152-163.
MLA Zhang, Yi,et al."Spatial and temporal variations in subsidence due to the natural consolidation and compaction of sediment in the yellow river delta, china".MARINE GEORESOURCES & GEOTECHNOLOGY 37.2(2019):152-163.
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