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Making sense of underwater particle images with PyOPIA

June 9, 2026

PyOPIA (Python Ocean Particle Image Analysis) was introduced in 2023. It is an open-source Python library for combing through large amounts of particle image data collected by camera instruments such as LISST-Holo / LISST-Holo2, SilCam, UVP-6 and others....

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LISST-Deep and LISST-200X CTD Cables

June 9, 2026

You can integrate Sequoia’s LISST-Deep or LISST-200X onto a Sea-Bird CTD using the 6-pin auxiliary connector on the LISST connector endcap and a 2-m cable. This will power the instrument via the CTD and output two analog signals, one for mean particle...

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The Boycott Effect

March 30, 2026

The Boycott effect refers to the substantial enhancement of particle sedimentation rates in settling columns that are inclined relative to gravity, compared to an otherwise identical vertical settling column. It was first observed experimentally by A....

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First In Situ Measurements with Hyper-a

January 13, 2026

Measurements with Sequoia Scientific’s Hyper-a and Sea-Bird Scientific’s ac-s collected in East Sound, WA on May 20, 2024, during a period of strong Noctiluca scintillans bioluminescence The comparison is not strictly one-to-one, as the two instruments...

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