Nittrouer, C.A., 1978, The process of detrital sediment accumulation in a continental shelf environment: an examination of the Washington shelf: PhD Thesis, University of Washington, Seattle, WA. 243p.
Smith, J.M., Messmer, L.W., Phipps, J.B., Samuelson, D.F., and Schermer, E.D., 1980, Grays Harbor and Chehalis River improvements to navigation environmental studies - Grays Harbor ocean disposal study: literature review and preliminary benthic sampling: U.S. Army Corps of Engineers Internal Report.
jetty-- man made structure
wisps-- modern bedform off the mouth of the Columbia River; bands of moderate backscatter (as seen in the sidescan-sonar imagery) superimposed on a backgroun of low backscatter
megaripples-- modern bedform off the mouth of the three bays in the study area; 2-4 m wavelengths with crestlines oriented roughly parallel to bathymetric contours
lower beach face-- modern textural unit occuring along the shoreward edge of the study area; seaward limit is defined where the mean grain size becomes finer than 3 phi
inner shelf sand-- modern textural unit seaward of the lower beach face unit; seaward limit defined where the sediment mud content exceeds 25%
mud-- modern textural unit typically along the seaward edge of the study area; defined where sediement mud content exceeds 25%
gravel patches-- areas where sediment content contains grain sizes from 2 mm up to 2 cm
outcrop-- includes all types of pre-Quaternary strata exposed on the seafloor
Generated by mp
on Tue Jan 25 17:06:50 2000