IOCAS-IR  > 海洋地质与环境重点实验室
Relationship between in situ sound velocity and granular characteristics of seafloor sediments in the Qingdao offshore region
Zhang Yanxin1,2; Guo Changsheng1; Wang Jingqiang3; Hou Zhengyu1,2; Chen Wenjing1,2
2017-05-01
Source PublicationCHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY
Volume35Issue:3Pages:704-711
SubtypeArticle
AbstractThe sound velocity of seafloor sediments from shallow seas can provide important information for harbor design, and ocean and seacoast engineering projects. In this study, in situ measurements were used to obtain accurate sediment sound velocities at 45 stations offshore of Qingdao. The relationships between the sound velocity and granular properties of the seafloor sediments were analyzed. Sound velocity showed an increase with the sand content, sand-clay ratio, and sorting coefficient; and a nonlinear decreasing trend with increasing mean grain size and clay content. We plotted a sound velocity distribution map, which shows that the sound velocity was closely related to the geological environment. Previous empirical equations suggested by Hamilton, Anderson, and Liu were used to calculate the velocity with grain size. A comparison between the measured and calculated velocities indicates that the empirical equations have territorial limitations, and extensive data are essential to establish global empirical equations. Future work includes the calibration of the laboratory acoustic measurements with an in situ technique.
KeywordSound Velocity Granular Properties Empirical Equation
DOI10.1007/s00343-017-5374-4
Indexed BySCI
Language英语
WOS IDWOS:000399168400025
Citation statistics
Document Type期刊论文
Version出版稿
Identifierhttp://ir.qdio.ac.cn/handle/337002/136722
Collection海洋地质与环境重点实验室
Affiliation1.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Geol & Environm, Qingdao 266071, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.State Ocean Adm, Inst Oceanog 1, Key Lab Marine Sedimentol & Environm Geol, Qingdao 266061, Peoples R China
Recommended Citation
GB/T 7714
Zhang Yanxin,Guo Changsheng,Wang Jingqiang,et al. Relationship between in situ sound velocity and granular characteristics of seafloor sediments in the Qingdao offshore region[J]. CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY,2017,35(3):704-711.
APA Zhang Yanxin,Guo Changsheng,Wang Jingqiang,Hou Zhengyu,&Chen Wenjing.(2017).Relationship between in situ sound velocity and granular characteristics of seafloor sediments in the Qingdao offshore region.CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY,35(3),704-711.
MLA Zhang Yanxin,et al."Relationship between in situ sound velocity and granular characteristics of seafloor sediments in the Qingdao offshore region".CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY 35.3(2017):704-711.
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