Holocene delta evolution and sediment flux of the Pearl River, southern China
ABSTRACT Delta progradation and sediment flux of the Pearl River Delta (PRD), southern China, during the Holocene are presented based on analyses of borehole data on the delta plain. Results indicate that the delta prograded into the drowned valley because of early Holocene inundation from 9 to 6 ca...
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Veröffentlicht in: | Journal of quaternary science 2016-05, Vol.31 (5), p.484-494 |
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creator | Wei, Xing Wu, Chaoyu Ni, Peitong Mo, Wenyuan |
description | ABSTRACT
Delta progradation and sediment flux of the Pearl River Delta (PRD), southern China, during the Holocene are presented based on analyses of borehole data on the delta plain. Results indicate that the delta prograded into the drowned valley because of early Holocene inundation from 9 to 6 cal ka BP, as sea‐level rise decelerated. The sea level reached its present level at about 6 cal ka BP and, as a consequence, a large portion of the drowned valley was covered by the estuary, with more than 160 rock islands and platforms. The scattered landmasses promoted active deposition and acted as deposition nuclei during deltaic evolution. Consequently, apart from exhibiting a general tendency towards progression, PRD development occurred less regularly over time and space because of deposition around island boundaries. During the last 2 ka, mainly because of significantly increased human activities, which have trapped sediments in the encircled tidal flats along the front of delta plains, the shoreline has advanced rapidly. Estimated sediment fluxes for the three periods (9–6, 6–2 and 2–0 cal ka BP), based on the sediment volume analysis, were 17–25, 22–30 and 44–58 million t a−1, respectively. |
doi_str_mv | 10.1002/jqs.2873 |
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Delta progradation and sediment flux of the Pearl River Delta (PRD), southern China, during the Holocene are presented based on analyses of borehole data on the delta plain. Results indicate that the delta prograded into the drowned valley because of early Holocene inundation from 9 to 6 cal ka BP, as sea‐level rise decelerated. The sea level reached its present level at about 6 cal ka BP and, as a consequence, a large portion of the drowned valley was covered by the estuary, with more than 160 rock islands and platforms. The scattered landmasses promoted active deposition and acted as deposition nuclei during deltaic evolution. Consequently, apart from exhibiting a general tendency towards progression, PRD development occurred less regularly over time and space because of deposition around island boundaries. During the last 2 ka, mainly because of significantly increased human activities, which have trapped sediments in the encircled tidal flats along the front of delta plains, the shoreline has advanced rapidly. Estimated sediment fluxes for the three periods (9–6, 6–2 and 2–0 cal ka BP), based on the sediment volume analysis, were 17–25, 22–30 and 44–58 million t a−1, respectively.</description><identifier>ISSN: 0267-8179</identifier><identifier>EISSN: 1099-1417</identifier><identifier>DOI: 10.1002/jqs.2873</identifier><language>eng</language><publisher>Chichester: Blackwell Publishing Ltd</publisher><subject>delta evolution ; Deltas ; Deposition ; Evolution ; Flux ; Holocene ; Islands ; Pearl River ; Rivers ; Sea level ; sea-level change ; sediment flux ; Sediments ; Valleys</subject><ispartof>Journal of quaternary science, 2016-05, Vol.31 (5), p.484-494</ispartof><rights>Copyright © 2016 John Wiley & Sons, Ltd.</rights><rights>2016 John Wiley & Sons, Ltd.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a4203-56c90b3498f71fb3628136f1fa74fa60601050540210957de73ec2b569bed1993</citedby><cites>FETCH-LOGICAL-a4203-56c90b3498f71fb3628136f1fa74fa60601050540210957de73ec2b569bed1993</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fjqs.2873$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fjqs.2873$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>315,781,785,1418,27929,27930,45579,45580</link.rule.ids></links><search><creatorcontrib>Wei, Xing</creatorcontrib><creatorcontrib>Wu, Chaoyu</creatorcontrib><creatorcontrib>Ni, Peitong</creatorcontrib><creatorcontrib>Mo, Wenyuan</creatorcontrib><title>Holocene delta evolution and sediment flux of the Pearl River, southern China</title><title>Journal of quaternary science</title><addtitle>J. Quaternary Sci</addtitle><description>ABSTRACT
Delta progradation and sediment flux of the Pearl River Delta (PRD), southern China, during the Holocene are presented based on analyses of borehole data on the delta plain. Results indicate that the delta prograded into the drowned valley because of early Holocene inundation from 9 to 6 cal ka BP, as sea‐level rise decelerated. The sea level reached its present level at about 6 cal ka BP and, as a consequence, a large portion of the drowned valley was covered by the estuary, with more than 160 rock islands and platforms. The scattered landmasses promoted active deposition and acted as deposition nuclei during deltaic evolution. Consequently, apart from exhibiting a general tendency towards progression, PRD development occurred less regularly over time and space because of deposition around island boundaries. During the last 2 ka, mainly because of significantly increased human activities, which have trapped sediments in the encircled tidal flats along the front of delta plains, the shoreline has advanced rapidly. Estimated sediment fluxes for the three periods (9–6, 6–2 and 2–0 cal ka BP), based on the sediment volume analysis, were 17–25, 22–30 and 44–58 million t a−1, respectively.</description><subject>delta evolution</subject><subject>Deltas</subject><subject>Deposition</subject><subject>Evolution</subject><subject>Flux</subject><subject>Holocene</subject><subject>Islands</subject><subject>Pearl River</subject><subject>Rivers</subject><subject>Sea level</subject><subject>sea-level change</subject><subject>sediment flux</subject><subject>Sediments</subject><subject>Valleys</subject><issn>0267-8179</issn><issn>1099-1417</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><recordid>eNqN0V1LHDEUBuBQLHS1hf6EQG-8cPQkmSSTy7r4ia1rq_QyZGdOcNbsxE1m_Pj3ncUiVhC8OnDOwwuHl5CvDHYZAN9brPIur7T4QCYMjClYyfQGmQBXuqiYNp_IZs4LgPGmYEJ-HMcQa-yQNhh6R_EuhqFvY0dd19CMTbvErqc-DA80etpfI52hS4H-au8w7dAch3GXOjq9bjv3mXz0LmT88m9ukavDg8vpcXF2fnQy_X5WuJKDKKSqDcxFaSqvmZ8LxSsmlGfe6dI7BQoYSJAl8PEFqRvUAms-l8rMsWHGiC2y_ZR7m-JqwNzbZZtrDMF1GIdsWSWklNyY8h0UKiVMxWCk317RRRxSNz6yVkIZZtiLwDrFnBN6e5vapUuPloFdV2DHCuy6gpEWT_S-Dfj4prOnF7__923u8eHZu3RjlRZa2j8_j6yYqf2SH84siL8D9JNf</recordid><startdate>20160501</startdate><enddate>20160501</enddate><creator>Wei, Xing</creator><creator>Wu, Chaoyu</creator><creator>Ni, Peitong</creator><creator>Mo, Wenyuan</creator><general>Blackwell Publishing Ltd</general><general>Wiley Subscription Services, Inc</general><scope>BSCLL</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7ST</scope><scope>7TG</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>KL.</scope><scope>KR7</scope><scope>SOI</scope></search><sort><creationdate>20160501</creationdate><title>Holocene delta evolution and sediment flux of the Pearl River, southern China</title><author>Wei, Xing ; Wu, Chaoyu ; Ni, Peitong ; Mo, Wenyuan</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a4203-56c90b3498f71fb3628136f1fa74fa60601050540210957de73ec2b569bed1993</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>delta evolution</topic><topic>Deltas</topic><topic>Deposition</topic><topic>Evolution</topic><topic>Flux</topic><topic>Holocene</topic><topic>Islands</topic><topic>Pearl River</topic><topic>Rivers</topic><topic>Sea level</topic><topic>sea-level change</topic><topic>sediment flux</topic><topic>Sediments</topic><topic>Valleys</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Wei, Xing</creatorcontrib><creatorcontrib>Wu, Chaoyu</creatorcontrib><creatorcontrib>Ni, Peitong</creatorcontrib><creatorcontrib>Mo, Wenyuan</creatorcontrib><collection>Istex</collection><collection>CrossRef</collection><collection>Environment Abstracts</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>Meteorological & Geoastrophysical Abstracts - Academic</collection><collection>Civil Engineering Abstracts</collection><collection>Environment Abstracts</collection><jtitle>Journal of quaternary science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Wei, Xing</au><au>Wu, Chaoyu</au><au>Ni, Peitong</au><au>Mo, Wenyuan</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Holocene delta evolution and sediment flux of the Pearl River, southern China</atitle><jtitle>Journal of quaternary science</jtitle><addtitle>J. Quaternary Sci</addtitle><date>2016-05-01</date><risdate>2016</risdate><volume>31</volume><issue>5</issue><spage>484</spage><epage>494</epage><pages>484-494</pages><issn>0267-8179</issn><eissn>1099-1417</eissn><abstract>ABSTRACT
Delta progradation and sediment flux of the Pearl River Delta (PRD), southern China, during the Holocene are presented based on analyses of borehole data on the delta plain. Results indicate that the delta prograded into the drowned valley because of early Holocene inundation from 9 to 6 cal ka BP, as sea‐level rise decelerated. The sea level reached its present level at about 6 cal ka BP and, as a consequence, a large portion of the drowned valley was covered by the estuary, with more than 160 rock islands and platforms. The scattered landmasses promoted active deposition and acted as deposition nuclei during deltaic evolution. Consequently, apart from exhibiting a general tendency towards progression, PRD development occurred less regularly over time and space because of deposition around island boundaries. During the last 2 ka, mainly because of significantly increased human activities, which have trapped sediments in the encircled tidal flats along the front of delta plains, the shoreline has advanced rapidly. Estimated sediment fluxes for the three periods (9–6, 6–2 and 2–0 cal ka BP), based on the sediment volume analysis, were 17–25, 22–30 and 44–58 million t a−1, respectively.</abstract><cop>Chichester</cop><pub>Blackwell Publishing Ltd</pub><doi>10.1002/jqs.2873</doi><tpages>11</tpages></addata></record> |
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subjects | delta evolution Deltas Deposition Evolution Flux Holocene Islands Pearl River Rivers Sea level sea-level change sediment flux Sediments Valleys |
title | Holocene delta evolution and sediment flux of the Pearl River, southern China |
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