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OceanCubes : An observatory network to understand biophysical and geochemical coupling

OceanCubes : An observatory network to understand biophysical and geochemical coupling in coastal oceans Scott Gallager , Amber York (WHOI Biology) Steve Lerner, Lane Abrams, Jonathan Howland (WHOI, Engineering) Alec Wang (WHOI, Geochemistry) and a host of partners. Main Node

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OceanCubes : An observatory network to understand biophysical and geochemical coupling

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  1. OceanCubes: An observatory network to understand biophysical and geochemical coupling in coastal oceans Scott Gallager, Amber York (WHOI Biology) Steve Lerner, Lane Abrams, Jonathan Howland (WHOI, Engineering) Alec Wang (WHOI, Geochemistry) and a host of partners

  2. Main Node Temperature, Salinity, Pressure, Chlorophyll, pH, O2 Plankton: VPR, backscatter, PAR, Hydrophone, Tethys

  3. Proposed Cabled Observatories Bocas del Toro & LJL dry season wet season

  4. Conditions at the two sites Bocas del Toro LJL Tides 0.25-0.5m >5m Salinity 20-35 psu 31-35 psu Temperature 29-33oC 14-30oC (solar, rain) (upwelling) Wind winter strong NE strong NE offshore-> onshore onshore -> offshore downwelling upwelling Nutrients runoff (<1 um) upwelling (>20 um) Mixing density inversions internal waves Fish diversity moderate moderate high spatial variation homogenous Coral sensitivity offshore – low homogenous onshore - high

  5. The PLUTO (and now OceanCube) Vision: To observe coupling between: tree canopy, jungle floor, mangrove swamps, coastal and offshore waters Measure: CO2, light, rainfall, nutrients, primary and secondary production In relation to: global CO2 levels and climate change.

  6. High tide Low tide

  7. Images from the Video Plankton Recorder at PLUTO: An underwater microscope 1 mm

  8. Cannon G7 10 MP Remote control Sidus Pan and tilt mount UV LEDs fouling control

  9. Scheduled observations • Two standard stations for 1.5 years Observing the PLUTO node Observing the water column above

  10. Proposed cabled observatory elements at LJL and Bocas del Toro Operations & dataflow management Data archive Power control Coms control Data processing QA/QC Data products Expansion nodes Web-based research & education Networks Science user Modeling & Simulation Public user Sensors Temperature Salinity Pressure Chlorophyll pH O2 Currents: ADCP Plankton: VPR, backscatter PAR Fish: webcam images Mammals: hydrophone Observatory Node Node control processes Loreli elements

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