Ligurian Sea Mid-Atlantic Bight Results from the Mid Atlantic High Frequency Radar Network Radar Network Hugh Roarty, Scott Glenn, Josh Kohut, Erick Rivera,

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Presentation transcript:

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

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

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

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

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

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

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

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

Network Performance

Spatial and Temporal Coverage Metric

Science Results

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

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

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

Winter FallSummer Spring

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

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

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

Application Results

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

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

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

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

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

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

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

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

Enhancing the Network with Bistatics 3 radars can provide 6 measurements

Radial Current Vectors 13 MHz

Totals from Radials 90 km Optimal spacing should be 40 km

Elliptical Current Vectors

Totals from Radials & Ellipticals Coverage Area from only Radials

Vessel Detection with HF Radar

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

GPS Track of YM Los Angeles

Pepper Plot of All Detections

Association of Detections with GPS

Detections on a Map

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

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

Monostatic Detections

Bistatic Detections

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