. Collected reprints / Atlantic Oceanographic and Meteorological Laboratories [and] Pacific Oceanographic Laboratories. Oceanography Suspended Sediment Transport and the Deposition of Bottom Muds The pattern of bottom mud deposits as represented by figure be- comes explicable when the controls of fine sediment deposition are con- sidered. As noted by McCave (1972) the balance between deposition and resuspension of bottom muds, resulting in net aggradation or erosion of the bottom, is a function of the concentration of suspended sediment and the intensity of flow near th
. Collected reprints / Atlantic Oceanographic and Meteorological Laboratories [and] Pacific Oceanographic Laboratories. Oceanography Suspended Sediment Transport and the Deposition of Bottom Muds The pattern of bottom mud deposits as represented by figure be- comes explicable when the controls of fine sediment deposition are con- sidered. As noted by McCave (1972) the balance between deposition and resuspension of bottom muds, resulting in net aggradation or erosion of the bottom, is a function of the concentration of suspended sediment and the intensity of flow near the bottom (fig. ). Both factors tend to , \ \ \ \ \ \ \ © \ \ \ \ \ \ X \ Shelf edge W ⦠COOlt mud ^^_^T ~~â -?^- ^ O Distance offshore v\ V \\ \\ \\ ® \ \ \ Shelf edge â¢ccosl \ f --^i mud y/ Sfwlf «Og» i \ ® \ \ \ \ \ \\ \\ \\ \\ c\ \A \\ \\ S»>«t eog* >*W V, ^-v^ ââ^â ^^Cr~ "â â --* mud ^\\ O D-stonce offshore Figure 2. 30. Deposition of shelf mud as a function of the hydraulic "activity" of the mud (A) arid the concentration of suspended sediment (C) (from McCave, 1972). increase exponentially towards shore current intensity increases because of the increasing release of wave surge energy as the sea floor shoals. Suspended sediment concentration increases because of the two-layer estuarine circulation mechanism which tends to concentrate suspended sediment near the shore (see sec. ). Very near the beach a further circulation mechanism transpires, whereby the landward asymmetry of 86. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Atlantic Oceanographic and Meteorological Laboratories; Pacific Oceanographic Laboratories; United States. Environmental Science Services Administration. Research Laboratories; Environmental Research Laborat
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