NNMREC November 5, 2010 Northwest National Marine Renewable Energy Center Standards and Protocols...
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NNMREC
November 5, 2010
Northwest National Marine Renewable Energy Center
Standards and Protocols for Environmental Assessment
Renewable Ocean Energy and the Marine Environment
Brian PolagyeUniversity of Washington
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NNMREC
Virtual Center Organization
EnvironmentalAcoustics
Electromagnetic Fields
Benthic Ecosystems
Sediment Transport
SocialFisheries/Crabbing
Outreach/Engagement
Existing Ocean Users
Local/State Economy
Technical Testing/Demonstration
Site and Resource Characterization
Survivability/Reliability
Device/Array Optimization
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NNMREC
Hydrokinetic Devices
Advancing Technology ReadinessTechnology
Testing
Economic Effectiveness
Environmental Impacts
Survivability
Reliability Maintenance intervals
Extreme environmental loads
Monitoring can have impacts
Aligning technical feasibility with cost
Emerging technical approaches
- and -
Environmental Assessment
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NNMREC
Monitoring Platform Evaluation
Seabed InstrumentationMeasurement Tripod
Shipboard SurveyR/V Jack Robertson
Land ObservationAIS Ship Tracks
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NNMREC
Baseline Environmental Characterization
Physical Environment
AcousticsHydrodynamicsWater Quality
Grey Whale
Tracking
Sediment Sampling
Trawls
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NNMREC
Evaluating Environmental EffectsRecording
Hydrophone
CPod
Automatic Identification System
DopplerProfiler
Data Collection Data Synthesis and Analysis
Potential for
Behavioral Change
Environmental Uncertainty
Estimated Effect
Species Behavior
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NNMREC
Components of Environmental Protocols Clearly defined objectives
― What hypothesis is being tested?
Data collection― Hardware selection and configuration― Sampling scheme
Data analysis and interpretation Development will be iterative
― Improve based on use― High degree of collaboration required
Aspects of protocols will be site and technology specific
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NNMREC
Why Protocols Matter: Ambient Noise
All measurements
Measurements excluding sensor-induced pseudo-noise
Mean levels >5 dB lower
Maximum noise levels 10 dB lower
Different analysis leads to different conclusions
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NNMREC
Information Sharing
Lack of data sharing between projects often cited as a barrier to resolving environmental uncertainty
Volume of raw data can be staggering
Context of collection matters
Is this practical?
Distinguish between data and information
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NNMREC
Thank You
More information available at:
Wave: http://nnmrec.orgeonstate.edu
Tidal: http://depts.washington.edu/nnmrec
This material is based upon work supported by the Department of Energy under Award Number DE-FG36-08GO18179.