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Hydrology and Earth System Sciences An interactive open-access journal of the European Geosciences Union
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Short summary
An extremely severe saltwater intrusion event occurred in February 2014 in the Changjiang estuary and seriously influenced the water intake of the reservoir. For the event cause and for freshwater safety, the dynamic mechanism was studied with observed data and a numerical model. The results indicated that this event was caused by a persistent and strong northerly wind, which formed a horizontal estuarine circulation, surpassed seaward runoff and drove highly saline water into the estuary.
HESS | Articles | Volume 24, issue 10
Hydrol. Earth Syst. Sci., 24, 5043–5056, 2020
https://doi.org/10.5194/hess-24-5043-2020
Hydrol. Earth Syst. Sci., 24, 5043–5056, 2020
https://doi.org/10.5194/hess-24-5043-2020

Research article 29 Oct 2020

Research article | 29 Oct 2020

Dynamic mechanism of an extremely severe saltwater intrusion in the Changjiang estuary in February 2014

Jianrong Zhu et al.

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Cited articles

Aristizábal, M. F. and Chant, R. J.: An observational study of salt fluxes in Delaware Bay, J. Geophys. Res.-Oceans, 120, 2751–2768, 2015. 
Blumberg, A. F.: A primer for ECOM-si, Technical Report of HydroQual, Mahwah, New Jersey, 66 pp., 1994. 
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Chen, C., Zhu, J., Ralph, E., Green, S. A., Budd, J. W., and Zhang, F. Y.: Prognostic modeling studies of the Keweenaw Current in Lake Superior, Part I: formation and evolution, J. Phys. Oceanogr., 31, 379–395, https://doi.org/10.1175/1520-0485(2001)031<0379:PMSOTK>2.0.CO;2, 2001. 
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Short summary
An extremely severe saltwater intrusion event occurred in February 2014 in the Changjiang estuary and seriously influenced the water intake of the reservoir. For the event cause and for freshwater safety, the dynamic mechanism was studied with observed data and a numerical model. The results indicated that this event was caused by a persistent and strong northerly wind, which formed a horizontal estuarine circulation, surpassed seaward runoff and drove highly saline water into the estuary.
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