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Sediment transport in the Luanhe River delta: grain size trend analysis
Yu Xiaoxiao1,2,3; Li Tiegang1,2,3; Gu Dongqi3; Feng Aiping3; Liu Shihao3; Li Ping3; Xu Guoqiang3; Yan Wenwen3; Zhang Zhiwei3; Zhu Zhengtao3,4
Corresponding AuthorLi Tiegang(
AbstractSediment grain size in the deltaic environment of the Luanhe River (LR), Liaoning, China, contains sediment transport pathway information useful in elucidating the shoreline change and fluvialmarine interaction. In this study, we utilized numerical partitioning of the sedimentary components and geostatistical grain size trend analysis (GSTA) to define the sediment transport pattern in the Luanhe River delta (LRD) and interpolated the sediment transport pattern using content changes of end numbers (EM). EM1 (the mean grain size 7.12 Phi, fine silt), EM2 (2.37 Phi, fine sand), and EM3 (1.27 Phi, medium sand) components were identified by the numerical partitioning by GSTA. ICriging interpolation method was used to interpolate the parameters of the grain size for the regular grid, and the interpolation radius was 0.015 decimal degree. We chose 0.09 decimal degree as the characteristic distance for GSTA in the semivariogram model using the geostatistical method. The FB(-) case (finer, better sorted and more negatively skewed) was adopted in GSTA for its satisfaction in the Global Moran's I test. The result of the GSTA shows that the sediments in the south barriers (SBs) were transported to the southwest of the study area. The sediments in the north, in the SE direction of sediment transport trend from the river mouth, indicated that the sediments in the north of the study area were transported from the LR to the northern beaches, and to the south and east of the study area. The sediment transport trend that simplified by GSTA as the FB(-) case was approved by the content changes of sedimentary components (i.e. EM1, EM2, and EM3). In addition, the turbulent jet diffusion pattern indicated that the coarse sediments (EM3) were delivered by LR during the flood season, and the EM2 and EM1 were from wave and tide, respectively.
KeywordLuanhe River delta sediment transport grain-size partitioning geostatistical grain size trend analysis (GSTA)
Indexed BySCI
Funding ProjectNational Science Foundation of China ; Shandong Provincial Government[U1706214] ; Basic Scientifi c Fund for National Public Research Institutes of China[2016Q06]
WOS Research AreaMarine & Freshwater Biology ; Oceanography
WOS SubjectLimnology ; Oceanography
WOS IDWOS:000469401600021
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Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Corresponding AuthorLi Tiegang
Affiliation1.Chinese Acad Sci, Key Lab Marine Geol & Environm, Qingdao 266071, Shandong, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.MNR, Inst Oceanog 1, Qingdao 266061, Shandong, Peoples R China
4.East China Normal Univ, State Key Lab Estuarine & Coastal Res, Shanghai 200062, Peoples R China
Recommended Citation
GB/T 7714
Yu Xiaoxiao,Li Tiegang,Gu Dongqi,et al. Sediment transport in the Luanhe River delta: grain size trend analysis[J]. JOURNAL OF OCEANOLOGY AND LIMNOLOGY,2019,37(3):982-997.
APA Yu Xiaoxiao.,Li Tiegang.,Gu Dongqi.,Feng Aiping.,Liu Shihao.,...&Zhu Zhengtao.(2019).Sediment transport in the Luanhe River delta: grain size trend analysis.JOURNAL OF OCEANOLOGY AND LIMNOLOGY,37(3),982-997.
MLA Yu Xiaoxiao,et al."Sediment transport in the Luanhe River delta: grain size trend analysis".JOURNAL OF OCEANOLOGY AND LIMNOLOGY 37.3(2019):982-997.
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