Comparison of inherent optical properties as a surrogate for particulate matter concentration in coastal waters.
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Date
2009Author
Boss, E.
Taylor, L.
Gilbert, S.
Gundersen, K.
Hawley, N.
Janzen, C.
Johengen, T.
Purcell, H.
Robertson, C.
Schar, D.
Smith, G.J.
Tamburri, M.
Status
Published
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Show full item recordAbstract
Particulate matter concentration (PM, often referred to as total suspended solids [TSS]) is an important parameter
in the evaluation of water quality. Several optical measurements used to provide an estimate of water turbidity have
also been used to estimate PM, among them light transmission, backscattering, and side-scattering. Here we analyze
such measurements performed by the Alliance for Coastal Technologies (ACT) at various coastal locations to establish
whether a given optical method performs better than others for the estimation of PM. All the technologies were
found to perform well, predicting PM within less than 55% relative difference for 95% of samples (n = 85, four locations).
Backscattering performed best as a predictor of PM, predicting PM with less than 37% relative difference for
95% of samples. The correlation coefficient (R) was between 0.96 and 0.98 for all methods with PM data ranging
between 1.2 to 82.4 g m–3. In addition, co-located measurements of backsca.....
Resource URL
http://www.act-us.info/evaluations.phpJournal
Limnology and Oceanography: MethodsVolume
7Page Range
pp.803-810Series;Nr
ACT VS; 803-810Document Language
enEssential Ocean Variables (EOV)
Particulate matterBest Practice Type
Best PracticeStandard Operating Procedure
Citation
Boss, E.; Taylor, L.; Gilbert, S.; Gundersen, K.; Hawley, N.; Janzen, C.; Johengen, T.; Purcell, H.; Robertson, C.; Schar, D.; Smith, G.J. and Tamburri, M. (2009) Comparison of inherent optical properties as a surrogate for particulate matter concentration in coastal waters. Limnology and Oceanography: Methods, 7, pp.803-810. 9pp. (ACTVS803-810). DOI: http://dx.doi.org/10.25607/OBP-358Collections
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