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A New Classification of Fluvial Rivers According to Channel Pla nform and Sediment Characteristics
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There are many fluvial clsaaifications in the world.S ome of them mainly are concerned with the relationship be tween river process and geotectonic evolution.Some of them are impressed the co mbination of predominant mode of sediment transport and channel stability .Some of them are classified only according to channel planforms.Some classifications are considered the relative rates of channel and interchannel accumulations,and so on.However,many of the classification schemes have more or less defects.Furth ermore,some classifications derived by the research workers of one subject can n ot applied in other subjects. ¡¡¡¡Two classification schemes of fluvial rivers derived by Rust¡²12¡³ and Qia n¡²17¡³ according to channel planform are applied widely in the world.The classification scheme derived by Rust¡²12¡³ is given extensive attention b y many sedimentologists,while the other derived by Qian¡²17¡³ is given mor e attention by many water engineers and geomorphologists.The former includes bra ided,meandering,anastomosing and straight fluvial channel patterns and the later includes braided,meandiering,anabranched and straight channel patterns.Some wat er engineers and geomorphologists think that the anastomosing and the anabranche d fluvial rivers are the same river types because the other river types in the t wo schemes are the same respectively.So,they consider that the two classificatio n schemes are equivalent.More studies indicate that the anastomosing and the ana branched aren"t the same channel
http://scholar.ilib.cn/Abstract.aspx?A=cjxb199902013

[ Last edited by IDname on 2007-6-22 at 14:24 ]
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