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J. Mar. Sci. Eng. 2014, 2(1), 123-139; doi:10.3390/jmse2010123

Conceptual Site Model for Newark Bay—Hydrodynamics and Sediment Transport

1,* , 2
1 Exponent, Inc., 320 Goddard, Suite 200, Irvine, CA 92618, USA 2 Exponent, Inc., 420 Lexington Avenue, Suite 1740, New York, NY 10170, USA 3 Tierra Solutions, Inc., 2 Tower Center Boulevard, 10th Floor, East Brunswick, NJ 08816, USA
* Author to whom correspondence should be addressed.
Received: 6 December 2013 / Revised: 21 January 2014 / Accepted: 10 February 2014 / Published: 19 February 2014
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A conceptual site model (CSM) has been developed for the Newark Bay Study Area (NBSA) as part of the Remedial Investigation/Feasibility Study (RI/FS) for this New Jersey site. The CSM is an evolving document that describes the influence of physical, chemical and biological processes on contaminant fate and transport. The CSM is initiated at the start of a project, updated during site activities, and used to inform sampling and remediation planning. This paper describes the hydrodynamic and sediment transport components of the CSM for the NBSA. Hydrodynamic processes are influenced by freshwater inflows, astronomical forcing through two tidal straits, meteorological conditions, and anthropogenic activities such as navigational dredging. Sediment dynamics are driven by hydrodynamics, waves, sediment loading from freshwater sources and the tidal straits, sediment size gradation, sediment bed properties, and particle-to-particle interactions. Cohesive sediment transport is governed by advection, dispersion, aggregation, settling, consolidation, and erosion. Noncohesive sediment transport is governed by advection, dispersion, settling, armoring, and transport in suspension and along the bed. The CSM will inform the development and application of a numerical model that accounts for all key variables to adequately describe the NBSA’s historical, current, and future physical conditions.
Keywords: Newark Bay; conceptual site model; hydrodynamics; sediment transport Newark Bay; conceptual site model; hydrodynamics; sediment transport
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Shrestha, P.L.; Su, S.H.; James, S.C.; Shaller, P.J.; Doroudian, M.; Firstenberg, C.E.; Thompson, C.T. Conceptual Site Model for Newark Bay—Hydrodynamics and Sediment Transport. J. Mar. Sci. Eng. 2014, 2, 123-139.

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