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An improved method of sediment grain size trend analysis in the Xiaoqinghe Estuary, southwestern Laizhou Bay, China
Su, Qiao1,2; Peng, Changsheng1; Yi, Liang3; Huang, Haijun4; Liu, Yanxia4; Xu, Xingyong2; Chen, Guangquan2; Yu, Hongjun2,5
2016-08-01
发表期刊ENVIRONMENTAL EARTH SCIENCES
卷号75期号:16
文章类型Article
摘要Although deltas evolve with a regular cycle of growth and abandonment over centuries, knowledge of these cycles and their effects is important given the fact that humans tend to locate near these areas. This study examines sediment transport patterns in the Xiaoqinghe Estuary in southwestern Laizhou Bay, China, in order to identify the factors controlling the sedimentary environment in the estuary. Sediment samples collected from the bed of Laizhou Bay in 2007 were analyzed using the Gao-Collins 2-D grain size pattern analysis method and two polymodal distribution functions. The study identified three grain size subgroups (<4, 6-16, and 27-115 mu m) and mapped the distribution of the relative percentage of the three components and the mean size distribution within each component. The sediment transport trends for the three components were derived by a mathematical partitioning process. Generally, the finest grains move from the local river mouths seaward in the north and south directions, with a large anomaly suggesting input into the study area from the more distant Huanghe River in the north. In addition, fine-grained sediment is transported by marine hydrodynamic forces from the shallow sea areas toward the coast. The medium-sized grains move toward the river mouths, settling over oyster beds and sandbars that create high-turbulence zones, while the fine silt grains move seaward in northerly and southerly directions. The coarser grains tend to flow toward the coast, brought in by seaward migration, with some coarse material moving off the river mouths.
关键词Estuary Sediment Transport Grain Size Analysis Polymodal Distribution Lognormal Function Laizhou Bay
DOI10.1007/s12665-016-5924-7
收录类别SCI
语种英语
WOS记录号WOS:000381986800033
引用统计
被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
版本出版稿
条目标识符http://ir.qdio.ac.cn/handle/337002/135831
专题海洋地质与环境重点实验室
作者单位1.Ocean Univ China, Coll Environm Sci & Engn, Qingdao 266100, Peoples R China
2.State Ocean Adm, Inst Oceanog 1, Key Lab Marine Sedimentol & Environm Geol, Qingdao 266061, Peoples R China
3.Tongji Univ, State Key Lab Marine Geol, Shanghai 200092, Peoples R China
4.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Geol & Environm, Qingdao 266071, Peoples R China
5.Natl Deep Sea Ctr, Qingdao 266061, Peoples R China
推荐引用方式
GB/T 7714
Su, Qiao,Peng, Changsheng,Yi, Liang,et al. An improved method of sediment grain size trend analysis in the Xiaoqinghe Estuary, southwestern Laizhou Bay, China[J]. ENVIRONMENTAL EARTH SCIENCES,2016,75(16).
APA Su, Qiao.,Peng, Changsheng.,Yi, Liang.,Huang, Haijun.,Liu, Yanxia.,...&Yu, Hongjun.(2016).An improved method of sediment grain size trend analysis in the Xiaoqinghe Estuary, southwestern Laizhou Bay, China.ENVIRONMENTAL EARTH SCIENCES,75(16).
MLA Su, Qiao,et al."An improved method of sediment grain size trend analysis in the Xiaoqinghe Estuary, southwestern Laizhou Bay, China".ENVIRONMENTAL EARTH SCIENCES 75.16(2016).
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