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A STUDY OF RIVER CHANNEL PATTERN INFORMATION RECORDED BY GRAIN-SIZE PARAMETERS OF FLUVIAL SEDIMENT
XU, JX
1991-03-01
Source PublicationEARTH SURFACE PROCESSES AND LANDFORMS
ISSN0197-9337
Volume16Issue:2Pages:129-142
Corresponding AuthorXU, JX()
AbstractRiver channel pattern may be regarded as the outcome of streamflow, sediment load, and channel boundary conditions, as can the grain size distribution of bed material. It may therefore be expected that connections should exist between river channel pattern characteristics and the corresponding river bed material grain size parameters. Using data from some Chinese rivers, an attempt has been made to express these connections quantitatively by using statistical methods. The work demonstrates that the river's bed load can be related to the percentage of the traction subpopulation of the bed material shown by the probabilistic plot of grain size cumulative-frequency curve. The study has also revealed some correlations between the bed material grain size parameters of rivers and their channel geometry such as channel width-depth ratio and channel sinuosity. For instance, the higher the ratio of the traction to suspension subpopulation in bed material, the more sinuous, more shallow, and wider the river channel would be. Furthermore, a discrimination function has been given to distinguish between meandering and wandering braided rivers. If the existence of these relationships can be supported by data from more rivers in other regions, then by using them we can postdict palaeoriver channel geometry and its channel pattern character from fluvial sediment grain size parameters of the palaeoriver. This would open a new way to reconstruct the physicogeographical environment in which palaeorivers developed.
KeywordFLUVIAL SEDIMENT GRAIN SIZE PARAMETERS RIVER CHANNEL PATTERN MEANDERING RIVER WANDERING BRAIDED RIVER
Indexed BySCI
Language英语
WOS Research AreaPhysical Geography ; Geology
WOS SubjectGeography, Physical ; Geosciences, Multidisciplinary
WOS IDWOS:A1991FC08700003
PublisherJOHN WILEY & SONS LTD
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/56560
Collection中国科学院地理科学与资源研究所
Corresponding AuthorXU, JX
AffiliationCHINESE ACAD SCI,INST GEOG,BEIJING 100012,PEOPLES R CHINA
Recommended Citation
GB/T 7714
XU, JX. A STUDY OF RIVER CHANNEL PATTERN INFORMATION RECORDED BY GRAIN-SIZE PARAMETERS OF FLUVIAL SEDIMENT[J]. EARTH SURFACE PROCESSES AND LANDFORMS,1991,16(2):129-142.
APA XU, JX.(1991).A STUDY OF RIVER CHANNEL PATTERN INFORMATION RECORDED BY GRAIN-SIZE PARAMETERS OF FLUVIAL SEDIMENT.EARTH SURFACE PROCESSES AND LANDFORMS,16(2),129-142.
MLA XU, JX."A STUDY OF RIVER CHANNEL PATTERN INFORMATION RECORDED BY GRAIN-SIZE PARAMETERS OF FLUVIAL SEDIMENT".EARTH SURFACE PROCESSES AND LANDFORMS 16.2(1991):129-142.
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