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Filtering by: Creator Scully, Malcolm Decade 2010-2019

Turbulent mixing in a strongly forced salt wedge estuary

Creator:

Ralston, David K., Geyer, W. Rockwell, Lerczak, James A., and Scully, Malcolm

Abstract:

Turbulent mixing of salt is examined in a shallow salt wedge estuary with strong fluvial and tidal forcing. A numerical model of the Merrimack River estuary is used to quantify turbulent stress, shear production, and buoyancy flux. Little mixing occurs during flood tides despite strong velocities because bottom boundary layer...

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James A. Lerczak,2 and Malcolm Scully3 Received 18 December 2009; revised 9 August 2010; accepted 8
Estuarine Exchange Flow Quantified with Isohaline Coordinates: Contrasting Long and Short Estuaries

Creator:

Chen, Shih-Nan, Geyer, W. Rockwell, Ralston, David K., and Lerczak, James A.

Abstract:

Isohaline coordinate analysis is used to compare the exchange flow in two contrasting estuaries, the long (with respect to tidal excursion) Hudson River and the short Merrimack River, using validated numerical models. The isohaline analysis averages fluxes in salinity space rather than in physical space, yielding the isohaline exchange flow...

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model forcing, parameters, and boundary conditions are identical to the setup in Scully et al. (2009