1. Look ma, no cables! Observing the ocean with underwater gliders Dan Rudnick Scripps Institution of Oceanography

2. Rudnick, SIO The world is going wireless

3. Rudnick, SIO Wisdom “The chief source of ideas in oceanography comes, I think, from new observations.” Henry Stommel

4. Rudnick, SIO Stommel’s vision

5. Rudnick, SIO Argo The ocean’s role in climate Global system for sustained observation of ocean temperature, salinity, velocity

6. Rudnick, SIO Glider observations on the US coast Gliders’ role in ocean observing system is to patrol the boundaries, connecting the coastal and open ocean

7. Rudnick, SIO Spray underwater glider

8. Rudnick, SIO Glider operations

9. Rudnick, SIO Gliders have carried all kinds of sensors

10. Rudnick, SIO A growing enterprise

11. Rudnick, SIO California Glider Network

12. Rudnick, SIO Sections on CalCOFI line 80 Depth-average velocity Salinity Along-shore velocity Acoustic backscatter Chlorophyll fluorescence

13. Rudnick, SIO Dissolved oxygen and ocean acidification Using a proxy relationship to derive aragonite saturation (Alin et al. 2012)

14. Rudnick, SIO The SoCal Niño Index Temperature anomaly at 50 m We are experiencing weak El Niño conditions now.

15. Gulf Stream Cross Atlantic 2009 Cross Gulf Stream 2004

16. Rudnick, SIO Gulf of Mexico

17. Rudnick, SIO A national glider network

18. Rudnick, SIO Data management National standards to ease exchange of data from regional glider operators Real-time distribution Quality control Archiving Operations Piloting Glider Data Center Users

20. Rudnick, SIO A national glider network