. Collected reprints / Atlantic Oceanographic and Meteorological Laboratories [and] Pacific Oceanographic Laboratories. Oceanography 119° 50' WIO1 °f" o»« 0?*= w J ©. â â '&& Fig. 15. Upper 3 diagrams: thickness of flood sediment (cm) on the Santa Barbara-Oxnard Shelf in March-April. 1969; May-August, 1969; and February-June, 1970, based on cores. Lowest diagram: East-west cross section showing vertical distribution of light attenuating substances over Santa Barbara-Oxnard Shelf. For clarity, the bottom 20 m of the water column is not contoured, but the percent
. Collected reprints / Atlantic Oceanographic and Meteorological Laboratories [and] Pacific Oceanographic Laboratories. Oceanography 119° 50' WIO1 °f" o»« 0?*= w J ©. â â '&& Fig. 15. Upper 3 diagrams: thickness of flood sediment (cm) on the Santa Barbara-Oxnard Shelf in March-April. 1969; May-August, 1969; and February-June, 1970, based on cores. Lowest diagram: East-west cross section showing vertical distribution of light attenuating substances over Santa Barbara-Oxnard Shelf. For clarity, the bottom 20 m of the water column is not contoured, but the percent trans- mission value at the bottom is noted. From Drake and Kolpack, 1972. Geological Survey stream records show that 33-45 X 106 metric tons of suspended silt and clay and 12-20 X 106 metric tons of suspended sand were introduced by the Santa Clara and Ventura rivers. By the end of April 1969, more than 70% of this material was still on the shelf in the form of a submarine sand shoal extending 7 km seaward, and a westward thinning and fining blanket of fine sand, silt, and clay existed seaward of that (Fig. 15A). By the end of the summer of 1969, the layer extended farther seaward, had thinned by 20%, and had developed a secondary lobe beneath the Anacapa current to the south (Fig. 15B). Eighteen months after the floods, the surface layer was still 1157. 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 Laboratories (U. S. ). Washington, D. C. : U. S. Dept. of Commerce, Environmental Science Services Administration, Research Laboratories : For sale by Supt. of Docs. U. S. G. P. O.
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