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Q&A: Moored Data Excursions

Q&A: Moored Data Excursions

February 2020 Newsletter The data above came from a HydroCAT-EP multiparameter probe moored in an estuary near Savannah, Georgia. The highlighted section shows a sudden change in the temperature and salinity data that lasted for approximately 4 days, and continued...

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Paperclips – Valuable Troubleshooting Tools?

Paperclips – Valuable Troubleshooting Tools?

January 2020 Newsletter Paperclips are handy, but have you used one to troubleshoot an oceanographic sensor? When you’re unable to communicate with your instrument, the humble paperclip is one of the first tools that Sea-Bird Scientific’s technical support team...

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Q&A: Negative Fluorescence Data

Q&A: Negative Fluorescence Data

December 2019 Newsletter Fluorescence is the light emitted by a particle after excitation from another light source. Sea-Bird Scientific fluorometers are widely used to measure fluorescence from chlorophyll as a method of measuring primary productivity. The figure...

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Q&A: Erratic Profiles

Q&A: Erratic Profiles

November 2019 Newsletter The data above come from a profiling CTD, deployed in sea conditions that caused approximately 1-meter ship heave. Two things stick out – relatively unchanging salinity data during the downcast, and noisy data during the upcast (shown in light...

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pH Training: Past and Present

pH Training: Past and Present

October 2019 Newsletter On October 31st, Sea-Bird Scientific presented a hands on technical training at the OCEANS ’19 conference in Seattle, WA. If you could not attend, watch a recording of our live webinar, presented on July 18th 2019, outlining how our latest line...

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Q&A: Unusual Test Bath Data – a Cautionary Tale

Q&A: Unusual Test Bath Data – a Cautionary Tale

September 2019 Newsletter These data show a small but rather catastrophic deployment error. Shown above, pH and dissolved oxygen data before the highlighted area did not match bottle samples or nearby validation sensors, but data after the highlighted area accurately...

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How many pH samples can you fit into a year?

How many pH samples can you fit into a year?

How long can you really trust your sensor to sip energy from its batteries? Properly selecting the right sample interval must strike a balance between a high-resolution dataset and a complete time-series. After some quick calculations, we’ve found the optimal sample...

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Explaining the ISFET pH Sensor

Explaining the ISFET pH Sensor

May 2019 Newsletter ISFET-based pH sensors have been used to measure pH in industrial settings for years (do you know the pH of your last beer?). It’s the adaptation of this technology for measuring ocean pH that makes the SeaFET V2 and SeapHOx V2 novel tools for the...

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Inductive Modem SeaFET/SeapHOx V2

Inductive Modem SeaFET/SeapHOx V2

April 2019 Newsletter Sea-Bird Scientific’s line of ISFET pH sensors only communicate via RS-232. However, savvy integrators can utilize the SBE 44 Underwater Inductive Modem as the link between the SeaFET/SeapHOx and an existing inductive modem mooring, providing...

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Q&A: High Residuals in pH Data

Q&A: High Residuals in pH Data

March 2019 Newsletter The data shown above come from a SeapHOx V2 (red) and Deep SeapHOx V2 (blue) deployed next to one another in a dynamic estuarine environment. Regular pH validation samples were collected throughout the time-series. According to the 0.05 pH...

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Featured Posts

Sea-Bird Scientific will soon be part of Veralto!

Sea-Bird Scientific will soon be part of Veralto! We’re excited to share some news – later this year, Sea-Bird Scientific will be part of a new public company – Veralto! As you may know, Sea-Bird Scientific has been part of Danaher as our parent company since 2008. In...

Scripps Technical Forum 2023 | Recap

Technical Forum in Partnership with Scripps Sea-Bird Scientific is eternally grateful for having had the opportunity to present at a Technical Forum to the Scripps Institute of Oceanography community on April 6, 2023.  In this session, our optical experts, Cris...

March 2023 Newsletter

    NEW in Optics: The LED AC-SWe are more than ecstatic to announce the release of the NEW LED AC-S Spectral Absorption and Attenuation Sensor. It is the first of its kind, and a standalone transmissometer in the market.The AC-S provides in-situ optical...

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