IOCAS-IR  > 海洋地质与环境重点实验室
Response of seafloor sediment composition to a strong storm event in the inner-shelf of Heini Bay, China
Liu, Yanxia1,2,3; Huang, Haijun1,4; Liu, Xiao5; Yan, Liwen1; Zhang, Zehua1; Zhang, Yi1; Song, Zhaojun6
2019-03-01
Source PublicationCONTINENTAL SHELF RESEARCH
ISSN0278-4343
Volume175Pages:1-11
Corresponding AuthorHuang, Haijun(hjhuang@qdio.ac.cn)
AbstractEpisodic floods and storm events have significantly impacted the marine sedimentary environment and hydrodynamic processes of inner shelf regions. The influence of a storm event on the coastal sedimentary environment depends on its trajectory and intensity, making it difficult to forecast the environmental impact. We analyzed the grain size distributions and time-series of settling particulate matter during Tropical Storm Muifa by collection of settling particulate samples and surface sediment samples before and after the storm from the inner-shelf of Heini Bay, China. We determined end-member components from shallow sediment core data and sediment trap data using end-member modeling with coupled cluster analysis. The results show that this storm event increased the mean grain size of seafloor sediment due to the addition of coarser particles, but did not increase the particle size range of settling particles. These findings are confirmed by the extremely leptokurtic distribution of particle size and the single-peak at 50-53 mu m, indicative of improved sorting and very positive skewing during the storm period. Furthermore, the storm carried these coarser particles into the bay, so there was a coarser sediment texture in the middle of the bay. In addition, we identified a common end-member component responding to this extreme weather event from the settling sediment particles during Tropical Storm Muifa and the nearby shallow sediment core samples. Our reconstruction of this historical extreme weather event indicated there were two sedimentary fragments that corresponded to two high-frequency periods of historical storm events. This indicates that storm events redistribute sediment in the seafloor and cause structural changes of grain size composition.
KeywordInner-shelf deposition Storm events Grain-size distribution Settling sediment particle Storm sedimentary record Heini Bay
DOI10.1016/j.csr.2019.01.010
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China (NSFC)-Shandong Joint Fund for Marine Science Research Centers[U1606401] ; NSFC Fund[41276082] ; NSFC Fund[41706092] ; NSFC Fund[41106041]
WOS Research AreaOceanography
WOS SubjectOceanography
WOS IDWOS:000461402200001
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/155269
Collection海洋地质与环境重点实验室
Corresponding AuthorHuang, Haijun
Affiliation1.Chinese Acad Sci, Key Lab Marine Geol & Environm, Inst Oceanol, Qingdao 266071, Peoples R China
2.Shandong Univ Sci & Technol, Shandong Prov Key Lab Deposit Mineralizat Sedimen, Qingdao 266590, Shandong, Peoples R China
3.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Geol, Qingdao 266061, Peoples R China
4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
5.Shandong Univ Technol, Zibo 255049, Peoples R China
6.Shandong Univ Sci & Technol, Coll Earth Sci & Engn, Qingdao 266590, 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
Liu, Yanxia,Huang, Haijun,Liu, Xiao,et al. Response of seafloor sediment composition to a strong storm event in the inner-shelf of Heini Bay, China[J]. CONTINENTAL SHELF RESEARCH,2019,175:1-11.
APA Liu, Yanxia.,Huang, Haijun.,Liu, Xiao.,Yan, Liwen.,Zhang, Zehua.,...&Song, Zhaojun.(2019).Response of seafloor sediment composition to a strong storm event in the inner-shelf of Heini Bay, China.CONTINENTAL SHELF RESEARCH,175,1-11.
MLA Liu, Yanxia,et al."Response of seafloor sediment composition to a strong storm event in the inner-shelf of Heini Bay, China".CONTINENTAL SHELF RESEARCH 175(2019):1-11.
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