Coastal Ocean Observation Lab Coastal Observation and Prediction Sponsors: Regional Ocean Prediction

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Presentation transcript:

Coastal Ocean Observation Lab Coastal Observation and Prediction Sponsors: Regional Ocean Prediction Education & Outreach RIMPAC 2008: Rutgers Glider MCM Operational Support Partners: ONR, Metron, WetLabs, and NAVO

Rutgers University (Largely support) Provided 3-100m Slocum Coastal Electric Gliders to NAVOCEANO On-site logistical support in case of emergency recoveries/redeployments Off-site support for NAVOCEANO (glider configurations, science payload sampling, etc.) QA/QC and dissemination of Inherent Optical Properties (IOPs): –b b (λ): Optical backscatter (470, 532, 660nm) –c(λ): : Optical attenuation (532nm) NAVOCEANO took the lead on Slocum glider field operations

The Slocum Coastal Electric Glider Glider Specs. Length: 1.5 m Hull Diameter: 21.3 cm Weight: 52 kg Science Bay Specs. Length: 30 cm Diameter: 21.3 cm Max. Payload Weight: 4 kg

Science Payload Sensors (Modular, Swapable) CTD – hydrography (Temperature, Salinity, Density) Optical Sensors – –Eco bb3 pucks (blue, green and red light backscattering) –AUVB (green light attenuation)

Tactical Decision Aids Traditional Glider Piloting/Visualization Software and Data Flow

Tactical Decision Aids RIMPAC 2008 Glider Piloting/Visualization Software and Data Flow

Glider MCM Operations Summary : Penguin Banks (5 Deployments) sl113 (NAVOCEANO): 6/28/2008 – 7/26/2008 sl114 (NAVOCEANO): 6/28/2008 – 7/26/2008 ru05 (Rutgers): 7/07/2008 – 7/12/2008 ru05 (Rutgers): 7/18/2008 – 7/26/2008 ru16 (Rutgers): 7/03/2008 – 7/24/2008

Deployment Totals: 5 deployments 90 in-water glider days 1533km flown > 10,000 profiles RU05: July 7, 2008 – July 12, 2008 Payload: CTD, OCR-504I, Eco bb puck Duration: 5 days Distance Traveled: 112km Profiles: 1150 RU05: July 18, 2008 – July 26, 2008 Payload: CTD, OCR-504I, Eco bb puck Duration: 8 days Distance Traveled: 131km Profiles: 482 RU16: July 3, 2008 – July 24, 2008 Payload: CTD, AUVB, Eco bb puck, Eco fl puck Duration: 21 days Distance Traveled: 500km Profiles: 4896 SL113: June 28, 2008 – July 26, 2008 Payload: CTD, AUVB Duration: 28 days Distance Traveled: 367km Profiles: 2136 SL114: June 28, 2008 – July 26, 2008 Payload: CTD, AUVB Duration: 28 days Distance Traveled: 423km Profiles: 1962

How Does this Array/Sampling Regime Help Visual the Battlespace?

3-D Visualization of the Operational Area (Space and Time)

Glider/Software Issues Glider Configuration: –Payload configurations: Instrument specific calibration coefficients for some instruments reside on the glider Other instruments require application of calibration coefficients on shore and further processing. –Sampling configurations: Flight controller is heavily burdened with flight, navigation and communication priorities Glider sampling directives must be fine tuned to achieve optimum data collection. FUTURE: all science data logged on science controller, which should eliminate many (if not all) of these issues. Shore-Side Processing: –FTP of raw glider data files to Rutgers –Processing at Rutgers –FTP profile data back to NAVOCEANO/NRL Long data pipelines = lag time between measurement and application of measurement for MCM operations!

Field Issues Working across 5 timezones – lag between when you want something done and when it is actually done! Damage as a result of Deployment/Recovery in heavy seas Final Data Collection (making sure all data is shore-side before wiping flash cards)

What Did We Achieve? Successful transfer of AUV control from Rutgers University to NAVOCEANO for 24-hour Operations Successful characterization of the Operational Area using a fleet of AUVs deployed outside the area of interest

Future Recommendations NAVOCEANO – more deployments, more deployments, more deployments! Shore-side data QA/QC (NAVOCEANO, NRL?) Data visualization tools (TWRC, NAVOCEANO, NRL?)