Identifying DepositionalAreas in Puget Soundby Peter L. Striplin, Evans-Hamilton Inc, Seattle, WA, USA,
Pamela Sparks-McConkey, Evans-Hamilton Inc, Seattle, WA, USA,
Margaret E. Day, Evans-Hamilton Inc, Seattle, WA, USA,
Abstract: Depositional areas where fine sediments accumulate have been located through low-cost sediment studies instead of more costly current meter and settling trap measurements. Over 200 samples were collected along depth contours within five areas in Puget Sound. Sediments were analyzed for volatile solids, 5-day biochemical oxygen demand, percent water, and grain size. The resulting data were arranged by station water depth and summary statistics were computed for each depth contour. Stations were classified as normal, organically enriched, or depositional in comparison to other stations at an equal depth.
Subject Headings: Sediment | Benefit cost ratios | Solid mechanics | Oxygen demand | Water demand | Grain (material)
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