2022
DOI: 10.3389/fmars.2022.983517
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Long-term variations in water discharge and sediment load of the Pearl River Estuary: Implications for sustainable development of the Greater Bay Area

Abstract: The water discharge and sediment load have been increasingly altered by climate change and human activities in recent decades. For the Pearl River, however, long-term variations in the sediment regime, especially in the last decade, remain poorly known. Here we updated knowledge of the temporal trends in the sediment regime of the Pearl River at annual, seasonal and monthly time scales from the 1950s to 2020. Results show that the annual sediment load and suspended sediment concentration (SSC) exhibited drasti… Show more

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Cited by 6 publications
(2 citation statements)
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“…From 1990 to 2015, construction land increased about two times (Liu et al, 2019). Accelerated urbanization resulted in landscape fragmentation (Hu et al, 2021), notorious pollution (Wang and Hao, 2020), hydrological connectivity changes (Shao et al, 2020), and discharge reduction (Horrevoets et al, 2004;Liu et al, 2022), leading to the irreversible structural and functional deterioration of the estuarine ecosystem (Zhang et al, 2010).…”
Section: Study Areamentioning
confidence: 99%
“…From 1990 to 2015, construction land increased about two times (Liu et al, 2019). Accelerated urbanization resulted in landscape fragmentation (Hu et al, 2021), notorious pollution (Wang and Hao, 2020), hydrological connectivity changes (Shao et al, 2020), and discharge reduction (Horrevoets et al, 2004;Liu et al, 2022), leading to the irreversible structural and functional deterioration of the estuarine ecosystem (Zhang et al, 2010).…”
Section: Study Areamentioning
confidence: 99%
“…Sediment resulting from erosion will undergo a deposition process in a place where the flow rate slows down, which is known as the sedimentation process (Arsyad, 2009;Gusarov et al, 2021). The characteristics of the sediment load in the Wanggu watershed have a very serious impact on the sustainability of the waters because it empties into the waters of Kendari Bay where the sedimentation process occurs from the amount of erosion that continues with a large supply of sediment loads from the mainland (Liu et al, 2022;Rogers and Ramos-Scharrón, 2022;Winckler et al, 2023). The results of erosion and sediment load calculations in the Wanggu watershed are presented in Figure 5.…”
Section: Sediment Loadmentioning
confidence: 99%