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Hawaii Ocean Observing System

Hawaii Ocean Observing System. Working Group 5 Water Quality and Biogeochemistry. WG-5 Members.

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Hawaii Ocean Observing System

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  1. Hawaii Ocean Observing System Working Group 5 Water Quality and Biogeochemistry

  2. WG-5 Members Eric De Carlo and Grieg Steward (Co-chairs), Paul Bienfang, Jim Cowen, Brian Glazer, Dale Hebel, Andrew Hebert, Fred Mackenzie, Gary McMurtry, Kathleen Ruttenberg, Frank Sansone, Jane Schoonmaker (Oceanography) Geno Pawlak (ORE), Roger Fujioka (WRRC), Craig Glenn (G&G) Marlin Atkinson, Florence Thomas (HIMB) Bruce A. Wilcox, Steven E. Seifried, Alan D. Tice, Alan R. Katz (JABSOM) Watson Okubo (DOH)

  3. Discussion Attendees Eric De Carlo and Grieg Steward (Co-chairs), Jim Cowen,, Dale Hebel, Andrew Hebert, Gary McMurtry, Frank Sansone, Jane Schoonmaker (Oceanography) Geno Pawlak (ORE), Craig Glenn (G&G) Marlin Atkinson, Florence Thomas (HIMB)

  4. Issues… • The LOI limits the geographic scope: south shore of Oahu. • Funding is limited overall • Should “Water Quality” be limited to moorings as suggested in LOI? • Other options? Where to do Experimental/Developmental work?

  5. Original Budget from LOI

  6. Major points • Need rapid response, • Keep the PRODUCT simple: this is a trigger! • Provide limited data… others mount sampling expeditions • Make product available to gov’t agencies and NGO’s • Approach provides basic infrastructure for future development. (if we have infrastructure and a trigger to alert when sampling should take place, researchers will develop projects for which they will seek funding from traditional sources) • Kilo Nalu is cabled…should tap into existing system • Should also cable any new station (if possible)

  7. Consensus • TWO MAIN INSTRUMENTED SITES • Simple instrumentation: (data collection and trigger for sampling) • Include automatic water samplers triggered by above sensors • Approach allows collection of water samples that can subsequently be analyzed by researchers. • Network (4-5 stn) with T, Cond & telemetry • Need funding for technician to support data stream

  8. Water Quality Network Two Nearshore Moorings with: • Temperature & salinity (SBE37) • Chl a (WETStar WS1S-893P) • Total suspended solids (WET Labs Cstar) • Nitrate (ISUS sensor) • Dissolved oxygen (SBE 43) • McLaine or Envirotech Automated water sampler Four “Bare-Bones” Systems Along Shoreline • Temperature and Conductivity • Maybe optical properties? Data telemetry for all stations (moorings and shoreline) Technician time for maintaining systems and data stream

  9. T, Cond, (optical?) Major Stations Location Map

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