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Impacts of physical processes and sediment sources on the grain-size distribution of the Elwha River delta
Grain-size distribution, one of important parameters reflecting sediment sources, transportation, and deposition, helps people understand and predict shoreline and bathymetric changes. For this study, wave-orbital velocity and tidal bed shear stress were compared to grain-size distribution of the Elwha River delta in order ...
Impacts of Dam Removal on the Macrobenthos of the Elwha River Delta
For almost a century, the Elwha River has been constrained by the Elwha and Glines Canyon dams, which have severely restricted the transport of fine sediment downriver. The dams are currently undergoing removal; it is the largest such project ever attempted in the United States. The purposes of this experiment were to ...
Longshore Transport of Sediment in Freshwater Bay, West of Port Angeles
Using digital photographs, this study investigates sediment movement eastwards by the dominant northwest swell in Freshwater Bay, WA. Twenty samples were taken at five locations and analyzed with the Cobble cam analysis package. It was found that sand and smaller pebbles were more prevalent on the western updrift shore ...