Hydrological Processes of an Anastomosing River System on the Zhujiang River Delta, China
The interconnected channels of the Xijiang and Beijiang rivers on the Zhujiang River delta and the flood basins surrounded by the channels form an anastomosing river system. The system can be divided into three zones (A, B and C) that are influenced mainly by river current, tidal current or both. To...
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description | The interconnected channels of the Xijiang and Beijiang rivers on the Zhujiang River delta and the flood basins surrounded by the channels form an anastomosing river system. The system can be divided into three zones (A, B and C) that are influenced mainly by river current, tidal current or both. To reveal the differences and the similarities between the two rivers and among the three zones in the system, six representative gauging stations were chosen to collect relevant data, such as the stream mean velocity, discharge, width, suspended sediment concentration, water level elevation and the width/depth ratio (W:D). Statistical relationships between these parameters were established. Although the planforms of both rivers on the delta show multiple channels, there are some differences in hydrological processes and channel morphology between the two rivers and among the three zones. The Xijiang channels are more efficient in hydraulic geometry than the Beijiang channels especially in Zone A. In Zone A, the channel W:D of the Beijiang River (about 80) exceeds 40 (the upper limit for an anastomosing river), but the Xijiang River W:D (30.4) is in the range. In zones B and C, the W:D of both rivers is in the range for an anastomosing river pattern. The channel gradient of the Xijiang River is lower than that of the Beijiang. The formation of the anastomosing system, and the differences between the two rivers and among the various channel reaches resulted from river self-adjustment; in this case human activities are not a factor. |
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The system can be divided into three zones (A, B and C) that are influenced mainly by river current, tidal current or both. To reveal the differences and the similarities between the two rivers and among the three zones in the system, six representative gauging stations were chosen to collect relevant data, such as the stream mean velocity, discharge, width, suspended sediment concentration, water level elevation and the width/depth ratio (W:D). Statistical relationships between these parameters were established. Although the planforms of both rivers on the delta show multiple channels, there are some differences in hydrological processes and channel morphology between the two rivers and among the three zones. The Xijiang channels are more efficient in hydraulic geometry than the Beijiang channels especially in Zone A. In Zone A, the channel W:D of the Beijiang River (about 80) exceeds 40 (the upper limit for an anastomosing river), but the Xijiang River W:D (30.4) is in the range. In zones B and C, the W:D of both rivers is in the range for an anastomosing river pattern. The channel gradient of the Xijiang River is lower than that of the Beijiang. The formation of the anastomosing system, and the differences between the two rivers and among the various channel reaches resulted from river self-adjustment; in this case human activities are not a factor.</description><identifier>ISSN: 0749-0208</identifier><identifier>EISSN: 1551-5036</identifier><language>eng</language><publisher>Coastal Education & Research Foundation (CERF)</publisher><subject>Fluvial channels ; Fluvial erosion ; Hydraulics ; Hydrology ; Natural channels ; River deltas ; Rivers ; Sediments ; Streams ; Suspended solids</subject><ispartof>Journal of coastal research, 2004-07, p.124-133</ispartof><rights>2004 Coastal Education & Research Foundation [CERF]</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.jstor.org/stable/pdf/25737029$$EPDF$$P50$$Gjstor$$H</linktopdf><linktohtml>$$Uhttps://www.jstor.org/stable/25737029$$EHTML$$P50$$Gjstor$$H</linktohtml><link.rule.ids>314,776,780,799,57992,58225</link.rule.ids></links><search><creatorcontrib>Wang, Suiji</creatorcontrib><creatorcontrib>Ni, Jinren</creatorcontrib><creatorcontrib>Wang, Guangqian</creatorcontrib><creatorcontrib>Cheng, Dongsheng</creatorcontrib><creatorcontrib>Zhang, Ouyang</creatorcontrib><title>Hydrological Processes of an Anastomosing River System on the Zhujiang River Delta, China</title><title>Journal of coastal research</title><description>The interconnected channels of the Xijiang and Beijiang rivers on the Zhujiang River delta and the flood basins surrounded by the channels form an anastomosing river system. The system can be divided into three zones (A, B and C) that are influenced mainly by river current, tidal current or both. To reveal the differences and the similarities between the two rivers and among the three zones in the system, six representative gauging stations were chosen to collect relevant data, such as the stream mean velocity, discharge, width, suspended sediment concentration, water level elevation and the width/depth ratio (W:D). Statistical relationships between these parameters were established. Although the planforms of both rivers on the delta show multiple channels, there are some differences in hydrological processes and channel morphology between the two rivers and among the three zones. The Xijiang channels are more efficient in hydraulic geometry than the Beijiang channels especially in Zone A. In Zone A, the channel W:D of the Beijiang River (about 80) exceeds 40 (the upper limit for an anastomosing river), but the Xijiang River W:D (30.4) is in the range. In zones B and C, the W:D of both rivers is in the range for an anastomosing river pattern. The channel gradient of the Xijiang River is lower than that of the Beijiang. The formation of the anastomosing system, and the differences between the two rivers and among the various channel reaches resulted from river self-adjustment; in this case human activities are not a factor.</description><subject>Fluvial channels</subject><subject>Fluvial erosion</subject><subject>Hydraulics</subject><subject>Hydrology</subject><subject>Natural channels</subject><subject>River deltas</subject><subject>Rivers</subject><subject>Sediments</subject><subject>Streams</subject><subject>Suspended solids</subject><issn>0749-0208</issn><issn>1551-5036</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2004</creationdate><recordtype>article</recordtype><sourceid/><recordid>eNo9jstKxDAUQIMoWEc_QcgHWLjJbZN0OdTHDAwoPha6GW7bdJrSNpJUoX_vgOLqLA4czglLRJ6LNAdUpywBnRUpSDDn7CLGHkAok-mEvW-WJvjBH1xNA38KvrYx2sh9y2ni64ni7Ecf3XTgz-7bBv6yxNmO3E987iz_6L56R__y1g4z3fCycxNdsrOWhmiv_rhib_d3r-Um3T0-bMv1LiWBMKdaGQ2Vtg1gLbQiyFEdnwVqaQkMFlnRVtQKxEbICixVoGppRAs1SVsRrtj1b7c_rob9Z3AjhWUvc40aZIE_H1JMSg</recordid><startdate>20040701</startdate><enddate>20040701</enddate><creator>Wang, Suiji</creator><creator>Ni, Jinren</creator><creator>Wang, Guangqian</creator><creator>Cheng, Dongsheng</creator><creator>Zhang, Ouyang</creator><general>Coastal Education & Research Foundation (CERF)</general><scope/></search><sort><creationdate>20040701</creationdate><title>Hydrological Processes of an Anastomosing River System on the Zhujiang River Delta, China</title><author>Wang, Suiji ; Ni, Jinren ; Wang, Guangqian ; Cheng, Dongsheng ; Zhang, Ouyang</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a130t-76870b7ed03c176a05365031372ea083949fbaf133d12b0eab06c281f0ca2eba3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2004</creationdate><topic>Fluvial channels</topic><topic>Fluvial erosion</topic><topic>Hydraulics</topic><topic>Hydrology</topic><topic>Natural channels</topic><topic>River deltas</topic><topic>Rivers</topic><topic>Sediments</topic><topic>Streams</topic><topic>Suspended solids</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Wang, Suiji</creatorcontrib><creatorcontrib>Ni, Jinren</creatorcontrib><creatorcontrib>Wang, Guangqian</creatorcontrib><creatorcontrib>Cheng, Dongsheng</creatorcontrib><creatorcontrib>Zhang, Ouyang</creatorcontrib><jtitle>Journal of coastal research</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Wang, Suiji</au><au>Ni, Jinren</au><au>Wang, Guangqian</au><au>Cheng, Dongsheng</au><au>Zhang, Ouyang</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Hydrological Processes of an Anastomosing River System on the Zhujiang River Delta, China</atitle><jtitle>Journal of coastal research</jtitle><date>2004-07-01</date><risdate>2004</risdate><spage>124</spage><epage>133</epage><pages>124-133</pages><issn>0749-0208</issn><eissn>1551-5036</eissn><abstract>The interconnected channels of the Xijiang and Beijiang rivers on the Zhujiang River delta and the flood basins surrounded by the channels form an anastomosing river system. The system can be divided into three zones (A, B and C) that are influenced mainly by river current, tidal current or both. To reveal the differences and the similarities between the two rivers and among the three zones in the system, six representative gauging stations were chosen to collect relevant data, such as the stream mean velocity, discharge, width, suspended sediment concentration, water level elevation and the width/depth ratio (W:D). Statistical relationships between these parameters were established. Although the planforms of both rivers on the delta show multiple channels, there are some differences in hydrological processes and channel morphology between the two rivers and among the three zones. The Xijiang channels are more efficient in hydraulic geometry than the Beijiang channels especially in Zone A. In Zone A, the channel W:D of the Beijiang River (about 80) exceeds 40 (the upper limit for an anastomosing river), but the Xijiang River W:D (30.4) is in the range. In zones B and C, the W:D of both rivers is in the range for an anastomosing river pattern. The channel gradient of the Xijiang River is lower than that of the Beijiang. The formation of the anastomosing system, and the differences between the two rivers and among the various channel reaches resulted from river self-adjustment; in this case human activities are not a factor.</abstract><pub>Coastal Education & Research Foundation (CERF)</pub><tpages>10</tpages></addata></record> |
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subjects | Fluvial channels Fluvial erosion Hydraulics Hydrology Natural channels River deltas Rivers Sediments Streams Suspended solids |
title | Hydrological Processes of an Anastomosing River System on the Zhujiang River Delta, China |
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