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Date Permissions Signed
Date of Award
Master of Science (MS)
Schwartz, Maurice L.
Kelsey, H. M.
Quantitative analysis of net shore-drift has been carried out at twenty-six sites in Puget Sound and the Strait of Juan de Fuca, Washington, U.S.A. Three methods were used to obtain net shore-drift rates: (1) field measurement of sediment accumulation at drift obstructions; (2) extrapolation of spit growth using aerial photographs and historical maps; and (3) evaluation of maintenance-dredging volumes at navigation channels.
The study area was divided into four regions based on physiography, and the effect of wind patterns on the area. The largest volumes of sediment were transported in the west-central region, along the southern coast of the Strait of Juan de Fuca. The smallest transport volumes were recorded along the southern coast of Puget Sound, while east-central and northern Puget Sound were intermediate with regard to sediment transport volumes.
The factors influencing net shore-drift rates are; fetch distance, available sediment, and drift cell length.
Net shore-drift, Strait of Juan de Fuca, Net shore-drift rates, Washington state
Western Washington University
Subject – LCSH
Littoral drift--Washington (State)--Puget Sound; Littoral drift--Juan de Fuca, Strait of (B.C. and Wash.); Coast changes--Washington (State)--Puget Sound; Coast changes--Juan de Fuca, Strait of (B.C. and Wash.)
Puget Sound (Wash.); Juan de Fuca, Strait of (B.C. and Wash.); Pacific Coast (North America)
Copying of this document in whole or in part is allowable only for scholarly purposes. It is understood, however, that any copying or publication of this thesis for commercial purposes, or for financial gain, shall not be allowed without the author's written permission.
Wallace, R. Scott, "Quantification of Net Shore-Drift Rates in Puget Sound and the Strait of Juan de Fuca, Washington" (1987). WWU Graduate School Collection. 786.