The Vertical Distribution of Suspended Sediments in Reservoirs

Studies were made on four northern Mississippi reservoirs to determine the relationship between the concentration of suspended sediment in the surface water (0 to 5 cm) and the total amount of suspended sediment in a $1\text{-}{\rm m}^{2}$ vertical column of water for the total depth of the reservoi...

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Bibliographic Details
Published in:Journal - Water Pollution Control Federation 1978-04, Vol.50 (4), p.734-738
Main Authors: Ritchie, Jerry C., McHenry, J. Roger, Schiebe, Frank R.
Format: Article
Language:English
Subjects:
Estimate reliability
Fall lines
Linear regression
Oxygen
Parallel lines
Sediments
Soil water
Surface water
Suspended solids
Vertical distribution
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Summary:Studies were made on four northern Mississippi reservoirs to determine the relationship between the concentration of suspended sediment in the surface water (0 to 5 cm) and the total amount of suspended sediment in a $1\text{-}{\rm m}^{2}$ vertical column of water for the total depth of the reservoir. The total amount of suspended sediment in the water column was calculated by multiplying the concentration of suspended sediment in surface water by the volume of water in the water column, and the total amount of suspended sediment in the water column was determined by measurements of suspended sediment made at 1- to 3-m intervals throughout the total depth of the water column. Regression analyses showed the relationships between the surface-estimated and measured suspended sediment in the water column were highly significant with a correlation coefficient of 0.94. The slope of the regression was about 1, indicating that the calculated regression line was parallel with the 1:1 line. These studies indicated that the concentration of suspended sediment in the surface water can be used to estimate the total suspended sediment in the underlying vertical water column.
ISSN:0043-1303