News
April 4, 2023
Kelly Thomas, Biological Oceanographer
A longtime user of LISST instruments, the University of Alaska Fairbanks has been using the new, LISST-200X-style 4,000m rated LISST-Deep from Sequoia Scientific, Inc. The LISST-Deep instrument measures in-situ particle...
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July 5, 2022
…Wherein we’ll learn about the use of LISSTs during the Deepwater Horizon accident in 2010
(Part IX can be found here: https://www.sequoiasci.com/article/the-history-of-sequoia-part-ix/)
Particle size distribution is important in many areas. When...
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March 7, 2022
O-rings are so ubiquitous today – at least for all of us building underwater instrumentation for the underwater technology industry – that we generally think of them as something that has always been around. But that is not the case. The other night...
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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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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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