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Transcript
IOOS Application to Harmful
Algal Blooms and Ecosystem
Health Monitoring
Josh Kohut
Rutgers University, Institute of Marine & Coastal
Science
Bob Connell
NJ Dept. of Environmental Protection
Water Monitoring and Standards
Increasing Occurrence of
Harmful Algal Blooms
Coastal states are concerned
about the increasing occurrence
of toxic algal blooms. Shellfish
producing states are required to
monitor for the presence of harmful
algal blooms.
Image source: Woods Hole Oceanographic Institute
http://www.whoi.edu/redtide/page.do?pid=18116&tid=542&cid=55970&ct=61&article=33066
Traditional Phytoplankton Monitoring
• Fixed station network
• 16 samples every 2 weeks
Vessel-based sampling
Laboratory analysis for toxic
species
Phytoplankton Monitoring in the Age of IOOS
• Aircraft Remote
Sensing
• Thousands of
measurements
each day
Mild Bloom
• Near-daily flights
by piggybacking
on coastal
surveillance flights
• State-wide
coverage in one
day
• ID’s bloom
locations to target
vessel sampling &
algal species ID by
microscopy.
NJDEP
Autonomous Platforms: Dissolved Oxygen
Aanderra Optode
Oxygen Concentration
NJDEP
EPA
Rutgers
MACOORA
Monitoring Water Quality Along the New Jersey Coast
Shallow Water Pilot Deployment (<10m)
Bob Connell, New Jersey Department of Environmental Protection
Josh Kohut and Mike Kennish, Rutgers University
August 20, 2009 – September 7, 2009
20 days
316 km flown
5,100 water column profiles.
Water Quality – Dissolved Oxygen
Hydrography
Temperature
Salinity
Density
Concentration
% Saturation
Nearshore Ocean Ecosystem
Assessment Project
• Collaboration between USEPA,
NJDEP and Rutgers University
• Developing methods to assess
the health of the benthic
community.
• IOOS gliders will provide detailed
water quality profiles for
dissolved oxygen, chlorophyll,
temperature, salinity and
turbidity to better understand
factors impacting benthic
diversity.