Estuarine morphodynamic adaptation to sediment supply and human activities: A case study of turbidity maximum

Chunyan Zhu, L Guo, B. Tian, Q He, Zhengbing Wang

Research output: Contribution to conferenceAbstractScientific

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Abstract

Estuarine morphodynamics undergo significant changes due to declined sediment supply from river, rising sea-level, and human interferences (Syvitski and Saito, 2007; Syvitski et al., 2009). The Yangtze Estuary is such a case whose decadal morphodynamic evolution was broadly examined. It was documented that the subaqueous delta shifted from deposition to erosion since the early 2000s due to sediment supply reduction after the Three Gorges Dam (Yang et al., 2015) while some others reported that the estuary mouth bar area sustains accretion until 2010 (Luan et al., 2016; Zhu et al., 2016). The mouth bar area of the Yangtze Estuary is where the turbidity maximum exists. To clarify the morphodynamic changes therein, we examine the two large scale shoals, i.e. the Hengsha flat and the Jiuduan shoal, based on bathymetric data between 1958 and 2016 and satellite images since 1985.
Original languageEnglish
Pages31-32
Publication statusPublished - 2017
EventINTERCOH 2017: 14th International Conference on Cohesive Sediment Transport Processes - Montevideo, Uruguay
Duration: 13 Nov 201717 Nov 2017
Conference number: 14
https://www.fing.edu.uy/imfia/intercoh/

Conference

ConferenceINTERCOH 2017
Abbreviated titleINTERCOH 2017
CountryUruguay
CityMontevideo
Period13/11/1717/11/17
Internet address

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