What question did this study set out to answer?

To investigate how changes in estuarine topography over 70 years impact salinity intrusion and salt-spilling-over in the Yangtze River Estuary.

February 2, 2026Frontiers in Marine ScienceOpen Access

Influences of topography changes on the evolution of salinity intrusion in the North Branch of the Yangtze River Estuary over the past 70 years

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Authors

RMRui MaFudan University ZZZhilin ZhangChangjiang Water Resources Commission YYYidi YangChangjiang Water Resources Commission

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Implication

Numerical modeling reveals the impact of topography changes on salinity intrusion in the Yangtze River Estuary, suggesting significant resource implications.

Key Points

To investigate how changes in estuarine topography over 70 years impact salinity intrusion and salt-spilling-over in the Yangtze River Estuary.
Collected topographical data from the 1950s to 2020s.
Adopted a numerical model to simulate changes in salinity intrusion.
Analyzed variations in tidal prism and net water/salt fluxes.
The North Branch channel area decreased by 55.56% and channel volume by 57.57%.
Salinity intrusion experienced cycles of weakening and enhancement over the decades.
Net water flux and salt flux changes aligned with SSO evolution, with a 62.32% reduction during spring-neap tide.

Cite This Study

Ma et al. (2026) studied this question.

synapsesocial.com/papers/6980fe68c1c9540dea81073e https://doi.org/10.3389/fmars.2026.1765269

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Implication

Numerical modeling reveals the impact of topography changes on salinity intrusion in the Yangtze River Estuary, suggesting significant resource implications.

Influences of topography changes on the evolution of salinity intrusion in the North Branch of the Yangtze River Estuary over the past 70 years

Discussion

Member takes

Implication

Key Points

Cite This Study

Influences of topography changes on the evolution of salinity intrusion in the North Branch of the Yangtze River Estuary over the past 70 years

Discussion

Member takes

Implication

Key Points

Cite This Study

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