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Florida Keys National Marine Sanctuary Steering Committee Meeting Marathon 2/20/2013

Florida Keys National Marine Sanctuary Steering Committee Meeting Marathon 2/20/2013. Water Quality Monitoring . Henry Briceño and Joseph N. Boyer Southeast Environmental Research Center Florida International University, Miami, FL. Monitoring Water Quality in FKNMS .

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Florida Keys National Marine Sanctuary Steering Committee Meeting Marathon 2/20/2013

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  1. Florida Keys National Marine SanctuarySteering Committee MeetingMarathon 2/20/2013 Water Quality Monitoring Henry Briceño and Joseph N. Boyer Southeast Environmental Research Center Florida International University, Miami, FL

  2. Monitoring Water Quality in FKNMS • Establish baseline information about FKNMS waters • Document events, both chronic and episodic • Assess trends or changes in WQ over time • Explain causes in WQ changes (internal & external driver) • Provide relevant information for resource management decisions • Document compliance practices (regulatory) • Educate public & stakeholders about water quality *

  3. EPA developed Strategic Targets for the Water Quality Monitoring Project • For reef sites • chlorophyll a should be ≤ 0.35 µ l-1 • vertical attenuation coefficient Kd ≤0.2 m-1 • For all monitoring sites in FKNMS • dissolved inorganic nitrogen DIN ≤0.75 µM • total phosphorus, TP ≤ 0.25 µM • …”maintain the overall water quality of the near shore and coastal waters of the FKNMS according to 2005 baseline”…

  4. Trend Analysis • Simplest approach • Slope of linear regression for each variable at each station • POR 1995-2011 • Significance level set at p<0.10 Increases in Blue Declines in White

  5. Surface DIN Tendency Surface DIN Significant Trend Tripod Bank Bamboo Banks DIN increased in Tortugas and Marquesas..a couple of Sluiceways stations increased!! Surface TP Tendency Surface TP Significant Trend Pennikamp G27 Tripod Bank TP has not changed a lot. It declined along west Shelf..a couple of stations increased!!

  6. CHLa tends increase along northeast Shelf and Sluiceways CHLa trend increases along northeast Shelf & Sluiceways and declines in Backcountry Kd increased in eastern Shelf and stayed practically the same in Sanctuary Channel Key Pass

  7. Surface TOC Tendency Surface TOC Significant Trend TOC has consistently declined region wide in both, surface and bottom samples Bottom TOC Tendency Bottom TOC Significant Trend

  8. TN has increased, especially in Tortugas and Lower and Upper Keys…!!!!!

  9. 2011

  10. Recent achievements….

  11. Biogeochemical Segmentation of South Florida Coastal and Estuarine Waters Developed with data generated from monitoring WQ since 1991 Adopted by EPA and FDEP with minor changes for derivation of Numeric Nutrient Criteria

  12. More work needs to be done with coupling monitoring with remote sensing technologies and coastal ocean observation systems NOAA-IMPACT (Integrated Marine Protected Area Climate Tools) project is “ingesting” fixed-site data into IOOS and attempting to couple with remote sensing information. NEW Proposal in preparation for NASA-ROSES

  13. Florida Keys National Marine SanctuarySteering Committee MeetingMarathon, 2/20/2013 Thanks !!!.... Henry Briceño and Joseph N. Boyer Southeast Environmental Research Center Florida International University, Miami, FL

  14. ADDITIONAL

  15. Trend Analysis with Cusum charts

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