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Circulation, Stratification and Salt Dispersion in a Former Estuary After Reintroducing Seawater Inflow by Wouter M. Kranenburg; Meinard C.H. Tiessen; Meinte Blaas; Nathalie P. Van Veen is a Earth and Planetary Sciences article available to read on EtoBox.

What is Circulation, Stratification and Salt Dispersion in a Former Estuary After Reintroducing Seawater Inflow about?

Around the world, estuaries have been partially or completely closed-off from the sea and their number may increase with rising sea levels. Concurrently, there is a trend to reintroduce seawater inflow into enclosed former estuaries for ecosystem improvement. This is also the case in the Haringvliet, a former estuary in the Rhine-Meuse Delta, closed-off in 1970 with floodgates blocking seawater inflow and regulating outflow. As the reintroduced salt water inflow can threaten fresh water intake, inflow, flushing and dispersion need to be well understood and carefully managed. Here we investigate stratification, flow circulation and salt transport in the Haringvliet by analyzing ADCP data collected in two former tidal channels, together with salinity time series and profiles. The profiles show that the incoming water reaches the deeper parts and that the system tends to be strongly stratified. Over time, the interface levels deepen in steps, mainly coinciding with floodgate discharge events, which are strongly correlated with the primary current velocities in the channels. However, even floodgate discharges for above average Rhine discharge conditions were insufficient to quickly flu

Who reads Circulation, Stratification and Salt Dispersion in a Former Estuary After Reintroducing Seawater Inflow?

Author

Wouter M. Kranenburg; Meinard C.H. Tiessen; Meinte Blaas; Nathalie P. Van Veen

Publisher

Elsevier BV

Published

2023

Language

EN

Field

Earth and Planetary Sciences (Physical Sciences)