Zooming in shows salinity and dissolved oxygen are fluctuating heavily alongside the tidal cycle. Can you determine what is causing this?
![Q&A: Measurements Along the Tidal Cycle](https://blog.seabird.com/wp-content/uploads/2021/05/TidalDataAnimation_640x400.gif)
Zooming in shows salinity and dissolved oxygen are fluctuating heavily alongside the tidal cycle. Can you determine what is causing this?
Dissolved oxygen should not be negative. Can you determine the error that created the unusual oxygen profile above?
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...
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...
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...
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...
We hope to see you at UG2 '24 We are excited to sponsor the upcoming 2024 Glider Workshop in Ann Arbor, Michigan, from September 10 - 12, 2024. Overview This workshop will bring together the global underwater glider community to strengthen international collaboration...
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