Zooming in shows salinity and dissolved oxygen are fluctuating heavily alongside the tidal cycle. Can you determine what is causing this?

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...
The Oceanography Society (TOS) and Sea-Bird Scientific are proud to have partnered in hosting a webinar focused on sharing insights and advice with current students or recent graduates on how they can transition from their education to a role in academia and/or...
Celebrating and honoring our LGBTQIA+ communities At Sea-Bird Scientific, we are proud to stand with members of the LGBTQIA+ community during Pride Month 2023. As with last year, we changed our logo on social media to feature a rainbow throughout the month of June in...
We are proud to work with such excellent partners, one of them being the team over at Oceanography Magazine! This month, we are excited to feature Ellen Kappel, Oceanography Magazine Editor, for our May Partner Spotlight. Oceanography magazine is an excellent source...