News
August 29, 2024
Sequoia’s Laser In Situ Scattering and Transmissometry (LISST) particle size analyzers have significantly advanced the understanding of flocculation in aquatic environments. Since the mid-1990s, LISSTs have often replaced or supplemented older technologies...
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June 18, 2024
In 2019 Sequoia published a short note on our website regarding the feasibility of measuring plastic particles in situ. Two main conclusions were drawn:
If one considers the number concentration of plastic particles (α), and the sampling volume (SV)...
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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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February 1, 2023
Sequoia Scientific LISST Instruments in Benguela Upwelling System
In May of 2022 the French research vessel Tara sailed northward along the Western coast of Africa as part of the multi-year Microbiomes mission. Several instruments from Sequoia Scientific...
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October 24, 2022
Bubbles in water are studied intensively. For modeling and measurement purposes it is sometimes assumed that bubbles are spherical, but this is only true up to a certain size: When the hydrostatic pressure difference from top to bottom of the bubble is...
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