The Port of Astoria has proposed to fill a 32.4 hectare inter- and
subtidal area at the mouth of Youngs Bay, Columbia River, Oregon. The
possible effects of this fill on the biota and sedimentation patterns
of this area were studied from 31 August 1975 to 29 February 1976. Part...
Bayocean sand spit lies along the northern Oregon coast
approximately 70 miles south of the Columbia River. Work was
begun on the construction of a large recreational resort on the spit
in the early 1900's. At the outset, the resort appeared to have a
promising future. However, a three-year delay...
Theoretical b:::-eaking criteria for progressive surface gravity waves
are examined, and laboratory and field experiments concerned with breaking waves are reviewed with respect to the testing of these breaking criteria.
The measurements of Komar and Simmons are presented here for the first
time. Only three theoretical breaking criteria have been...