automated quality control of high frequency radar data
TRANSCRIPT
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Automated Quality Control of High Frequency Radar Data
Hugh Roarty, Michael Smith, John Kerfoot, Josh Kohut and
Scott Glenn
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Vessels -
SatelliteSatellite
Ships/ Vessels
REMUS
Modeling
Leadership
CODAR
Glider
Data Vis.
Security
Education
CODAR Network Glider FleetSatellite Data Acquisition Stations 3-D Forecasts
Rutgers University - Coastal Ocean Observation LabOperations, Research & Education Center
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CODAR Compact HF Radar Antennas
25 MHz 13 MHz 5 MHz
Combined Transmitter & Receiver Separate Transmitter & Receiver
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Shed and Enclosures
EnclosureShed
monitor
A.C. unit
transmitter
computer & external hard drive
UPS system
receiver
Two lines of Communication
Lightning Protection
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25 MHzRadar l: 12 m Ocean : l 6 mRange: 30 km Resolution: 1 km
13 MHzRadar l: 23 m Ocean : l 12 mRange: 80 km Resolution: 3 km
05 MHzRadar l: 60m Ocean : l 30 mRange: 180 km Resolution: 6 km
Surface Current Mapping Capability
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41 Sites in the Mid Atlantic
5 MHz
13 MHz
25 MHz
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133 Sites in the USA
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This Mornings Coverage
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Current National Network Quality Control Checks
1. Is all required metadata present and variables are within limits (-90<lat<90)
2. Is the radial over water?
3. Are the radials below the threshold– East and Gulf Coast 3 m/s– West Coast 1 m/s
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261 Stations Globally
261 Stations in 21 Countries
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RADIAL PROCEDURES
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Radial Average Bearing
AND
Comparison Between
Measured and Ideal Radials
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BRMR
40°
130°
220°
BRMR Site
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Antenna Problem at BRNT Site
Replaced Antenna June 8
BRNT
30°
120°
210°
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Average Radial Velocity
RDLi_BRMR_2012_08_1300
5 cm/s
RDLi_BRMR_2012_08_1400
7 cm/s
RDLi_BRMR_2012_08_1500
10 cm/s
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FFT of Average Radial Velocity Time Series
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CENTRAL AGGREGATION
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Radial Database• Central location to
monitor region• Automatic
reprocessing of totals with new radials
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Administration of the Network by the Operators
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TOTAL METRICS
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Red Points are the 6 km National Network grid
Black Points are:1) Within 150 km of the
coast
AND
2) Water depths greater than 15 m
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Most Recent Progress Period