. Development of a portable sand trap for use in the nearshore. Littoral drift; Oceanographic instruments; Sedimentation and deposition. Figure A13. Kana in-situ bulk suspended sediment sampler (from Kana, Ward, and Johnson 1980) trace water motion indicated that the sampler caused the least disturbance to the water column when compared to instantaneous samplers that suck water into chambers (Zampol and Waldorf in press). This device has been used at Torrey Pines Beach near San Diego, California, to measure the concentration of tracer in the water column (Inman 1978, Inman et al. 1980). Disadv
. Development of a portable sand trap for use in the nearshore. Littoral drift; Oceanographic instruments; Sedimentation and deposition. Figure A13. Kana in-situ bulk suspended sediment sampler (from Kana, Ward, and Johnson 1980) trace water motion indicated that the sampler caused the least disturbance to the water column when compared to instantaneous samplers that suck water into chambers (Zampol and Waldorf in press). This device has been used at Torrey Pines Beach near San Diego, California, to measure the concentration of tracer in the water column (Inman 1978, Inman et al. 1980). Disadvantages of the in situ bulk sampler are: (a) a large volume of a water- sediment mixture must be collected to obtain a significant quantity of sediment; (b) because the device samples instan- taneously, many samples must be collected to give a repre- sentative distribution of suspended sediment; and (c) fluid velocity measurements must be known at the location and instant of sampling to determine a sediment transport rate. A22. 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 Rosati, Julie Dean; Kraus, Nicholas C; U. S. Army Engineer Waterways Experiment Station; Coastal Engineering Research Center (U. S. ); United States. Army. Corps of Engineers. [Vicksburg, Miss. : U. S. Army Engineer Waterways Experiment Station ; Springfield, Va. : available from National Technical Information Service]
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