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Proceedings Paper

Effects of suspended sediment concentration on the absorption and scattering coefficients
Author(s): Gregory E. Terrie; Sherwin Ladner; Richard A. Gould
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Paper Abstract

The scattering coefficient (b) for the nearshore waters off the coast of North Carolina near Camp Lejeune is strongly influenced by suspended sediment concentration and total particulate cross-sectional area (xg). In-situ measurements of a and b were made using a WET Labs AC9 meter. Estimates of suspended sediment concentration and total particulate cross-sectional area were determined from laser particle size analyses of surface water samples. The SeaWiFS bio-optical algorithm was modified for Case II waters and used to estimate a and bb from remote sensing reflectance (Rrs). After conversion from backscattering (bb) to total scattering (b), modeled a and b values from the modified SeaWiFS algorithm were compared to the measured values. The differences between the measured and estimated values appear to be directly related to increases in suspended sediment concentration and xg. Correlations of about 0.90 were obtained for b vs xg and bb vs xg.

Paper Details

Date Published: 6 February 1997
PDF: 5 pages
Proc. SPIE 2963, Ocean Optics XIII, (6 February 1997); doi: 10.1117/12.266501
Show Author Affiliations
Gregory E. Terrie, Naval Research Laboratory (United States)
Sherwin Ladner, Planning Systems, Inc (United States)
Richard A. Gould, Planning Systems, Inc. (United States)


Published in SPIE Proceedings Vol. 2963:
Ocean Optics XIII
Steven G. Ackleson; Robert J. Frouin, Editor(s)

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