Accession Number:

AD1079678

Title:

Feasibility of Nearshore Placement Near the Swinomish Navigation Channel; Puget Sound, Washington

Personal Author(s):

Corporate Author:

Army Engineer Rsch Dec Center Vicksburg United States

Report Date:

2019-08-01

Abstract:

This Regional Sediment Management Technical Note RSM-TN discusses the analysis performed to investigate the feasibility of dredged material beneficial use sites BUS located in the nearshore region in Skagit Bay, Puget Sound, Washington. The Swinomish Channel, located adjacent to the North Fork Skagit River, presently has only two deep water placement sites available to accept U.S. Army Corps of Engineers USACE Operations and Maintenance O and M related dredged material. As part of the RSM initiative, the investigation sought to identify a low-cost, technically feasible, and environmentally acceptable alternative for future dredging and placement operations over the project life cycle. In this study, a three-dimensional 3-D hydrodynamic circulation model and a Lagrangian-based Particle Tracking Model PTM were employed to investigate the fate and transport of dredged material placed in the vicinity of the project site. The modeling serves as a basis to support new National Environmental Policy Act documentation for the USACE O and M dredging project over the next 13 years.

Descriptive Note:

Technical Report

Pages:

0015

Descriptors:

Identifiers:

Subject Categories:

Communities Of Interest:

Distribution Statement:

Approved For Public Release;

File Size:

9.19MB

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