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Dissolved Oxygen

Q&A: Two Symptoms of the Same Problem

Q&A: Two Symptoms of the Same Problem

May 2020 Newsletter The data above show two major symptoms of the same problem occurring in different locations on a 19plusV2 profiling CTD. On the left, oxygen appears to drop below zero and is highly erratic during the downcast (light blue). However, once it hits a...

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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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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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Salinity Spikes: Sensor or Environment?

Salinity Spikes: Sensor or Environment?

These data show a subtle problem that is producing “fuzzy” salinity and oxygen data. While the overall shape of the profile appears reasonable, small spikes are present throughout the CTD cast. The black lines encompass a particularly strange spot where both salinity...

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Moored pH Systems

Our Moored pH Systems Ocean pH plays a critical role in the health of the global ocean due to the short timescales relevant to biological activity. With recent studies highlighting the impacts of acidification on the carbon cycle as well as on coral, shellfish,...

Introducing the NEW Fathom Software

Sea-Bird Scientific is thrilled to release the newest innovation in software: Fathom. Fathom: Exploring the depths of your data. Sea-Bird Scientific’s Fathom software makes working with your instruments transparent and simple. View instrument status and diagnostics,...

January 2024 Newsletter

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