The response of salt intrusion to changes in river discharge and tidal mixing during the dry season in the Modaomen Estuary, China

Gong, Wenping; Shen, Jian

doi:10.1016/j.csr.2011.01.011

Cited by 183 publications

(143 citation statements)

References 36 publications

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“…5. The length of the 30 intrusion decreases during spring tides and increases during neap tides, which is consistent with what generally happens in a partially mixed estuary (Bowen and Geyer, 2003;Gong et al, 2011). It is noteworthy that from Day 25 to 28 and from Day 54 to 57 of the neap tides, the length of the salt intrusion increases substantially, but there is no meaningful increase in the length of the intrusion during the neap tide from Day 39 to 42.…”

Section: 1salt Intrusion Without Windsupporting

confidence: 75%

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Effect of winds and waves on salt intrusion in the Pearl River Estuary

Gong¹,

Lin²,

Chen³

et al. 2017

Preprint

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Abstract. Salt intrusion in the Pearl River Estuary (PRE) is a dynamic process that is influenced by a range of factors and to 10 date, few studies have examined the effects of winds and waves on salt intrusion in the PRE. We investigate these effects using the Coupled-Ocean-Atmosphere-Wave-Sediment Transport (COAWST) modeling system applied to the PRE. After careful validation, the model is used for a series of diagnostic simulations. It is revealed that the local wind considerably strengthens the salt intrusion by lowering the water level in the eastern part of the estuary and increasing the bottom landward flow. The remote wind increases the water mixing on the continental shelf, elevates the water level on the shelf and 15 in the PRE, and pumps saltier shelf water into the estuary by Ekman transport. Enhancement of the salt intrusion is comparable between the remote and local winds. Waves decrease the salt intrusion by increasing the water mixing.Sensitivity analysis shows that the axial down-estuary wind, is most efficient in driving increases in salt intrusion via wind straining effect.

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Section: 1salt Intrusion Without Windsupporting

confidence: 75%

“…Gong and Shen, 2011;. As salt intrusion is most serious during the dry season when strong winds and waves occur, there is a need for an improved understanding of the effects of winds and waves.…”

mentioning

confidence: 99%

Effect of winds and waves on salt intrusion in the Pearl River Estuary

Gong¹,

Lin²,

Chen³

et al. 2017

Preprint

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“…Based on the Hansen and Rattray (1965) steady-state estuarine model, the salt intrusion distance is proportional to river flow with an exponent of about À0.33 (Monismith et al, 2002). The exponent varies for different estuaries depending on the localized bathymetry and hydrology (Gong and Gibson and Najjar, 2000). The exponent for the James River ranges from À0.149 to À0.238, which is lower than the theoretical value of À0.33, suggesting that salinity can migrate farther upstream for a given discharge of the James River.…”

Section: Relation Of Discharge and Salinity Intrusionmentioning

confidence: 99%

Assessment of salinity intrusion in the James and Chickahominy Rivers as a result of simulated sea-level rise in Chesapeake Bay, East Coast, USA

Rice

Hong

Shen

2012

Journal of Environmental Management

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“…The model has been successfully applied to a wide range of environmental studies (e.g. Gong and Shen, 2011;Hong and Shen, 2012;Shen and Haas, 2004).…”

Section: Numerical Model Setupmentioning

confidence: 99%