1. Ligurian Sea Mid-Atlantic Bight Results from the Mid Atlantic High Frequency Radar Network Radar Network Hugh Roarty, Scott Glenn, Josh Kohut, Erick Rivera, Laura Palamara, Ethan Handel, Mike Smith - Rutgers University

2. U.. Cape Cod Cape Hatteras NJ MA CT VA DE NY NC RI MD PA 10 States M IDDLE A TLANTIC R EGIONAL A SSOCIATION C OASTAL O CEAN O BSERVING S YSTEM 1000 km Cape to Cape To seek, discover and apply new knowledge & understanding of our coastal ocean Watersheds of the Middle Atlantic Bight

3. Vessels - Satellite Ships/ Vessels REMUS Modeling Leadership CODA R Glider Data Vis. Education IOOS Relationships International Component Regional Component U.S. Integrated Ocean Observing System Global Ocean Observing System 8 Universities in MARACOOS contribute to HF Radar Network 11 Regional Associations

4. Vessels - Satellite Ships/ Vessels REMUS Modeling Leadership CODAR Glider Data Vis. Security Education CODAR Network Glider Fleet L-Band & X-Band Satellite Receivers 3-D Nowcasts & Forecasts Rutgers University - Coastal Ocean Observation Lab MARACOOS Operations Center

5. Nested Grids of Hourly Surface Current Maps ^ High Frequency Radar – Since 1996 Combined CODAR & Satellite Products > Corporate Partner: CODAR Ocean Sensors 14 Long-Range 7 Medium-Range 14 Short-Range 35 Total CODARs

6. SouthernOperator NorthernOperator CentralOperator Long Range HF Radar Workforce Regional Coordinator Hugh Roarty Northern Operator Chris Jakubiak Central Operator Ethan Handel Southern Operator Teresa Garner 2 Operators For 5 Sites 2 Operators For 7 Sites

7. Future Medium Range Network 13 MHz Range ~ 80 km Resolution 2 km

8. 13 MHz Tx/Rx Antenna Single antenna at 13 MHz Transmit and Receive Radial whips no longer needed Possible to install with no guy wires and small base

9. Network Performance

10. Spatial and Temporal Coverage Metric

12. Science Results

13. NCAR Computer Language (NCL) used to plot currents 25% temporal coverage needed at each grid point

14. NCAR Computer Language (NCL) used to plot currents 25% temporal coverage needed at each grid point

15. NCAR Computer Language (NCL) used to plot currents 25% temporal coverage needed at each grid point

16. 2008 2009 2010 Winter FallSummer Spring

17. Hurricane Irene Approaches the MARACOOS HF Radar Network Science Results – Tracking Hurricane Irene

18. HF Radar Wave & Wind Direction Time Series > 39.5N 73W Surface Current Time Series > Total Current Near-Inertial Current Period 18 hours Hurricane Irene Approaches the MARACOOS HF Radar Network Science Results – Tracking Hurricane Irene

19. Hurricane Irene Approaches the MARACOOS HF Radar Network Science Results – Tracking Hurricane Irene

20. Application Results

21. MIDDLE ATLANTIC REGIONAL DRIVERS Ocean Circulation Tropical Storms Population Ports Northeasters Climate Change Critical Habitat

22. MARACOOS REGIONAL THEMES & SUCCESS STORIES 2) Ecosystem Decision Support - Fisheries 4) Coastal Inundation - Flooding 5) Energy – Offshore Wind 1) Maritime Operations – Safety at Sea3) Water Quality – a) Floatables, b) Hypoxia, c) Nutrients

23. U.S. Coast Guard: Search And Rescue Optimal Planning System SAROPS Mid-Atlantic Operational Data Flow to SAROPS SAROPS User Interface

24. 4) HOPS U. Massachusetts, Dartmouth 3) ROMS Rutgers University 1) STPS U. Connecticut 2) NYHOPS Stevens Institute of Technology U.S. Coast Guard: Search And Rescue Optimal Planning System SAROPS 1 Statistical & 3 Dynamical Data-Assimilative Forecast Models

25. Ecological Decision Support – Fisheries Our Approach: Develop statistical models using bottom trawl surveys and MARACOOS 3-D data to predict species distribution based on observed or forecasted MARACOOS 3-D fields. + Downwelling Upwelling Like Upwelling Hate Downwelling Convergent Divergent

26. Water Quality – Nearshore Currents Nearshore currents derived from single site radial currents track the movement of water quality constituents within 3 km of the beach. Alongshore Current

27. Offshore Energy – High Resolution Atmospheric Forecast validated with HF radar Spatial validation of Atmospheric Model with 13 MHz Multi-static HF Radar Array High Resolution Wind Resource 670 m horizontal resolution Expected Coverage Wind Development Area

28. Enhancing the Network with Bistatics Backscatter Bistatic from SEAB Seasonde Bistatic from SEAS Transmitter

29. Enhancing the Network with Bistatics 3 radars can provide 6 measurements

30. Radial Current Vectors 13 MHz

31. Totals from Radials 90 km Optimal spacing should be 40 km

32. Elliptical Current Vectors

33. Totals from Radials & Ellipticals Coverage Area from only Radials

34. Vessel Detection with HF Radar

35. HF Radar Spectra Doppler Frequency Range Bragg Waves Fixed Objects & Direct Signals Vessel Signal Strength (dB)

36. GPS Track of YM Los Angeles

37. Pepper Plot of All Detections

38. Association of Detections with GPS

39. Detections on a Map

40. Test Case – Dace Reinauer Length: 134 m Beam: 21 m

41. Monostatic and Bistatic Detection of the Dace Reinauer Type of Vessel: Tug IMO: 8993368 MMSI: 366238710 Length: 134 m Beam: 21 m

42. Monostatic Detections

43. Bistatic Detections

44. Conclusions Mid Atlantic Long Range HF Radar Network is celebrating its 10 th anniversary MARCOOS is delivering Quality Controlled Surface Current Data and Forecasts to the US Coast Guard for improved SAR HF Radar Network is helping to describe the nature of the flow in the Mid Atlantic We are also developing the dual-use capability of the radar for vessel detection