1. MESOSCALE OCEANIC VARIABILITY EXPERIMENT (MOVE) Shay et al. SCIENTIFIC GOAL: To observe and understand the role of mesoscale oceanic processes on littoral, submesoscale oceanic processes that impact the biology, chemistry and acoustical properties subjected to tidal currents, western boundary currents, topographical changes and surface winds.

2. LITTORAL ZONE l Complex Coastal Processes. l 2-D/ 3-D Flow Fields. l Boundary Current & Topography. l Waves & Boundary Layer Winds. l Impact: Civilian and US Navy Needs. l Radar/AUV/Mooring/Ship-based Approach. l Applicable to Any Theater.

3. HYPOTHESIS TESTING: l Mesoscale Variability In Current Structure Plays a Pronounced Role on Submesoscale Dynamics (Including Biology, Chemistry, and Acoustics) and Air-Sea Interaction Processes For Synoptic and Climate Scale Phenomena.

4. Ocean Explorer AUV

5. HIgh Frequency Phased Array Radar: HIFAR l Phased Array (16/32 Elements.) l Electronic Beam Forming. l 1500 Cells (750 m-2 km resolution). l Multiple Frequencies (4-30 MHz) l 10-15 Minute Sample Cycle. l Theoretical Limit 60-100 km l Spectra, Current, and Current Shear.

6. ENGINEERING OBJECTIVES: l Design/Implement Multiple ADCPs with Long-Range Capability of AUV Payload. l Design and Implement Long-Term Monitoring System of Surface Circulation Using a 3-Station HiFAR (100 km scales) l Map Currents and Current Shears To Oceanic/Atmospheric Forcing Events. l Evaluate Ship Signatures in Radar- Derived Fields.

7. SCIENCE OBJECTIVES: l Subsurface Structure (AUV, Moorings, Ships, Drifters). l Coherent Structures (Vortices, Fronts). l Isolate Forcing of IWs At Shelf Break. l Divergence/Vorticity Fields Associated with Mesoscale Variability (FC). l Assess Boundary Layer Processes

8. Experimental Domain

9. EXPERIMENTAL DESIGN l VHF Mode of OSCR (250 m Cell Spacing Embedded In HIFAR). l Ship CTD/ADCP and Microstructure l AUV (Short/Long Range). l ASIS Surface Mooring l NOVA/USF Moorings. l NAVY ADCPs. l Cyclesondes.

10. Sub-Mesoscale Vortex

11. Vortex Propagation

12. Surface Current Regimes Strong Florida CurrentLobe Structure

13. Mooring Comparison

14. LONG-TERM MONITORING

15. RELEVANCE: l To assess long-term variability of the Florida Current and its influence on Coastal Circulation and Atmospheric Weather Patterns/Events. l Important to Civilian Needs (Ship Traffic; Pollutant Dispersion; Renourishment.) l Important to Navy (Ship/Radar Signatures; Acoustics;Internal Waves)

16. SFTF APPLICATIONS l US Navy Coastal Surveys. l METOC (JTFX) Operations/FBE. l Ship-based Operations In Differing Venues/Theaters. l Coupling With Models ( i.e. LES). l Provides Environmental Data To Assess Impact on Fleet Operations.

17. FUTURE RESEARCH l Long-Term Monitoring of Florida Current Using HiFAR (100 km range). l Develop Long-Range AUVs (24-48 hr). l Surface/Subsurface Moorings (Cross- Shelf) l Ship-Based Observations (Cross-Shelf) l Drifter-Based Deployments l Modeling/Assimilation

18. SUMMARY l Synergistic Approach: Synoptic Variability. l Fine-Scale to Submesoscale Processes. l 2-D/3-D Variability not Mean. l Real Time: JTFX (Ships,Aircraft,AUV). l Improve Predictive Capability At Navy Centers. l Train Next-Generation Students.