IOCAS-IR  > 海洋地质与环境重点实验室
Estimation of sediment compaction and its relationship with river channel distributions in the Yellow River delta, China
Liu, Yanxia1,2,3; Du, Tingqin1,4; Huang, Haijun1,5; Liu, Yilin1,6; Zhang, Yi1
2019-11-01
Source PublicationCATENA
ISSN0341-8162
Volume182Pages:17
Corresponding AuthorHuang, Haijun(hjhuang@qdio.ac.cn)
AbstractThe geomechanical properties of the stratigraphic sequences strongly influence the land surface subsidence, as the latter can be caused by the sediment compaction. Depositional units of transitional environments such as coastal plain and deltas are characterized by a high lithological variability due to the history and complexity of the sedimentary processes. Therefore, detailed modeling of the stratigraphic architecture is necessary to better understand the land surface subsidence process and accurately estimate its rates. The frequent avulsion and rearrangement of the channel network in the modern Yellow River delta since 1855 has led to the rapid accumulation and deposition of large amounts of sediment in the delta plain. The compaction of the substratum sediment due to the new sediment load and the consolidation of younger deposits caused land surface subsidence. We used 108 sediment core data covering the delta and obtained detailed stratigraphic structural information. A detailed distribution of clay and soft clayey soils, which are the primary contributors to land subsidence, was identified. Furthermore, the compaction rates and the consolidation at time of the subaerial area and neritic area for the entire modern Yellow River delta were estimated. We also analyzed the characteristics of present land subsidence by combining a ground movement dataset obtained by high-resolution topographic surveys with Synthetic Aperture Radar (SAR) Interferometry (InSAR) of satellite images. The results show that during the early stages of the development of the active deltaic lobe, the compaction of neritic sediments was the primary contributor to initial subsidence. Furthermore, combined with the relevant sedimentary age and environment determined by previous studies, we found that the spatial variation in compaction-induced subsidence in the subaerial deltaic area over time is closely related to the historical distributions of the river channels in the modern Yellow River delta. Our findings, providing a better characterization of the spatial and time heterogeneity of the land surface subsidence of both subaerial and submarine areas, significantly improved the previous knowledge on land subsidence of the Yellow River delta. Our results also demonstrate that the subaerial delta becomes increasingly stable over time with the gradual decrease in the average subsidence rate of each deltaic lobe.
KeywordModern Yellow River delta Land subsidence Sediment compaction InSAR
DOI10.1016/j.catena.2019.104113
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China -Shandong Joint Fund for Marine Science Research Centers[U1606401] ; National Natural Science Foundation of China Fund[41276082] ; National Natural Science Foundation of China Fund[41706092] ; National Natural Science Foundation of China Fund[41106041] ; Geological Team of Shandong Provincial Bureau of Geology & Mineral Resources[2] ; ESA[C1F.19709]
WOS Research AreaGeology ; Agriculture ; Water Resources
WOS SubjectGeosciences, Multidisciplinary ; Soil Science ; Water Resources
WOS IDWOS:000482493700030
PublisherELSEVIER
Citation statistics
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/162802
Collection海洋地质与环境重点实验室
Corresponding AuthorHuang, Haijun
Affiliation1.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Geol & Environm, Qingdao 266071, Shandong, Peoples R China
2.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Geol, Qingdao 266061, Shandong, Peoples R China
3.Chinese Acad Sci, Ctr Ocean Mega Sci, Qingdao 266071, Shandong, Peoples R China
4.Shandong Acad Environm Sci Co Ltd, Jinan 250013, Shandong, Peoples R China
5.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
6.Shandong Univ Sci & Technol, Coll Earth Sci & Engn, Qingdao 266590, Shandong, 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,Du, Tingqin,Huang, Haijun,et al. Estimation of sediment compaction and its relationship with river channel distributions in the Yellow River delta, China[J]. CATENA,2019,182:17.
APA Liu, Yanxia,Du, Tingqin,Huang, Haijun,Liu, Yilin,&Zhang, Yi.(2019).Estimation of sediment compaction and its relationship with river channel distributions in the Yellow River delta, China.CATENA,182,17.
MLA Liu, Yanxia,et al."Estimation of sediment compaction and its relationship with river channel distributions in the Yellow River delta, China".CATENA 182(2019):17.
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