CeNCOOS Glider Activities Francisco Chavez Senior Scientist Monterey Bay Aquarium Research...
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CeNCOOS Glider CeNCOOS Glider ActivitiesActivities
Francisco ChavezSenior Scientist
Monterey Bay Aquarium Research Institute
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Glider/AUV ActivitiesGlider/AUV Activities•Spray glider continuously along CalCOFI Line 67 in Spray glider continuously along CalCOFI Line 67 in collaboration with Davis and Rudnick –Scripps collaboration with Davis and Rudnick –Scripps
•Support deployments of 2 NPS Spray and 1 Webb glider – time Support deployments of 2 NPS Spray and 1 Webb glider – time and data available to CeNCOOSand data available to CeNCOOS
•Support deployments of 2 UCSC Webb gliders – time and data Support deployments of 2 UCSC Webb gliders – time and data available to CeNCOOSavailable to CeNCOOS
•Work collaboratively with Teledyne-Webb on development of Work collaboratively with Teledyne-Webb on development of deep gliders – data collected available to CeNCOOSdeep gliders – data collected available to CeNCOOS
•Work collaboratively with Liquid Robotics on payloads for Work collaboratively with Liquid Robotics on payloads for Wave GliderWave Glider
•Work with MBARI on AUV developmentsWork with MBARI on AUV developments
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Glider applicationsGlider applications
• Climate/modelsClimate/models
• HABsHABs
• Biogeochemical cyclesBiogeochemical cycles
• Ocean acidification/hypoxiaOcean acidification/hypoxia
• Internal tides/sediment resuspensionInternal tides/sediment resuspension
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CeNCOOS region “feels” large scale/global variations in climate
Gliders good tools to track variations in climate, feed models
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Glider deployment Glider deployment strategiesstrategies
• Continuous (lines – how long, grids – Continuous (lines – how long, grids – scale)scale)
• Process experimentsProcess experiments
• Rapid responseRapid response
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Existing and proposed glider operations
In support of climate change, modeling, process studies, HABs, etc. data in near real time
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MBARI Ocean Acidification (OA) mooring – NSF support .
Wave Glider equipped with the same OA sensors
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Upwelling Relaxation
Satellite sea surface temperature
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Upwelling as observed from wave glider
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Relaxation as observed from wave glider
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CO2 pH
Very large gradients (as large as global means) observed on order of a
kilometer
Wave glider observations of pCO2 and pH
Atmosphere
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A Spectrum of Vehicles
Late ’90s>500 kgCarry many sensors at 1.5 m/s, but only lasts on order a day.
Early ’00s48 kgCan run for months, but can only carry a few sensors, and goes quite slowly (0.3 m/s).
2011100 kgMultiple operation modes>1000 km at 1 m/s>3000 km at 0.5 m/s>1 month
LRAUV
Spray
Jim Bellingham, MBARI
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Ship
LRAUV
Glider
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FutureFuture• 2012 – samplers for particles and 2012 – samplers for particles and
water, adaptive sampling, patch water, adaptive sampling, patch budgetsbudgets
Under development by MBARI (Scholin, Bellingham) now
Long range AUV
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Observations
Basic Ecosystem Rules
Managing our oceans
Model
Predictions of climate change
Modify behavior
No action
Physical modification, unexpected
events
MitigationAdaptation
Regularly spaced Rapid focused response
How do mobile platforms fit into the big picture?
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Finally the national Finally the national backbone!!!backbone!!!