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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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OCEANS 2022

Sea-Bird Scientific is excited to announce our exhibition at the OCEANS Conference in Virginia Beach, Virginia from October 17 - 20 this year. Don't forget to stop by and see us at booth #500. Want to reserve your spot? Register now here. From the organizers: "Global...

Ocean Optics 2022

Sea-Bird Scientific is excited to announce our exhibition at the Ocean Optics Conference in Quy Nhon, Binh Dinh, Vietnam, from October 2 - 7 this year.  Want to reserve your spot? Register now here. From the organizers: "Ocean Optics XXV will take place October 2–7,...

UG2 Workshop 2022

We are so excited to be part of the upcoming Underwater Glider Workshop located in Seattle, Washington. This event is facilitated by the Underwater User Group, an organization supported by the Consortium for Ocean Leadership and IOOS (Integrated Ocean Observing...

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