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April 2, 2017
This is a simple description. For detailed explanations see articles: Laser Diffraction-101 and -201.
Particle Size Distribution (PSD) is a multi-parameter description of how the total concentration of particles is distributed into many size fractions....
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May 25, 2016
The optical scattering function (VSF) describes how incident light on a volume of water is scattered into various directions. It is an important inherent optical property of water – a term used by optical oceanographers. The VSF at small forward angles...
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April 29, 2016
Last updated: 11 May 2016
Turbidity as a surrogate for suspended sediment concentration (SSC) is commonly used and deeply established in practice. The shortcomings of turbidity as a surrogate for SSC are:
The calibration changes with grain size;
The...
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November 5, 2015
Waterways, Maintenance Dredging, and Contaminated Sediment Removal
Dredging is essential for creation or maintenance of navigation channels, as well as for removing contaminated sediments. The contamination of water by dredged sediments is regulated...
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July 24, 2014
Scintillation is what makes stars twinkle. It is what causes mirage in deserts or on hot surfaces. It is what causes shimmer underwater in the vicinity of hot vents in oceans. These effects result from temperature fluctuations in air or water. The same...
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