D IGITAL-TO- A NALOG C ONVERTER B OX C OUPON P ROGRAM R EQUEST F OR I NFORMATION (RFI)
August 24, 2005 C OASTAL D ATA I NFORMATION P ROGRAM C OASTAL D ATA I NFORMATION P ROGRAM 1975 -...
Transcript of August 24, 2005 C OASTAL D ATA I NFORMATION P ROGRAM C OASTAL D ATA I NFORMATION P ROGRAM 1975 -...
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CDIP Mission
• Based at SIO
• 32 Wave Stations • 14 People
• $2.5M+ / year budget
• Funded by:
CDBW USACE (SCCOOS BEACON ONR…)
• Develop US nearshore wave climatology for more rational design decisions
CCOASTALOASTAL DDATAATA IINFORMATIONNFORMATION PPROGRAMROGRAM
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27 Operational CDIP Stations• 23 Directional Wave Buoys• 2 Pressure sensor stations• 2 Anemometers
California, Georgia, Guam, Hawaii, Oregon, Washington--------------------------------------------150 Historical Stations (1975-present)• 63 Wave Buoys• 30 Directional Arrays• 36 Surge – Inner Harbor• 21 Single Point Pressure
California, Georgia, Hawaii, Minnesota, North Carolina, Oregon, Virginia, Washington, Guam
Approx 300 GB Data Storage
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Net/Phone/ Wireless Modem
Data Transmission
Datawell Directional Wave Buoy
Data Acquisition System
Located at Coast Guard,
Harbor Master, Marine
Exchange offices
Scripps Central Computer Facility -
29 Km max distance from shore
HF/FM Transmission
Data transferred @ 30 minutes
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CDIP In-House DiagnosticsCDIP In-House Diagnostics2002- Data Collection Coverage Percentages
Pt. Reyes – 91.88%
La Jolla – 99.66%
Torrey Pines I – 99.09%
Torrey Pines O – 99.23%
Oceanside – 99.29%
Harvest – 94.70%
San Pedro – 94.95%
Dana Point – 99.47%
San Pedro – 94.95%
Pt Dume – 95.88%
Harvest – 94.70%
Pt. Reyes – 91.88%
Grays Harbor – 87.56%
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MEASUREMENTS (update @ 30 min)
NOWCASTS
FORECASTS
MODELS
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Modeling Waves Across the BasinModeling Waves Across the BasinHeadland shadowingHeadland shadowing
Island Island shadowingshadowing
DiffractionDiffractioneffectseffects
Amplification over shoals
RefractiveeffectsDirectional Directional
wave buoywave buoyto initiateto initiatemodelmodel
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Northwest Swell
West Swell
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West Swell
South Swell
San Pedro Harbor
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San Francisco Swell Model
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FORECAST MODELS
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•
Santa Monica Bay Directional Buoy
Nearshore Directional wave prediction along the 10m depth contour
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END USERS - WAVES
COMMERCIAL MARINERS
RECREATIONAL
MILITARY & GOV
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In-Situ ATV & JetSki Surveys: San Onofre and Torrey Pines
LIDAR
CDIP Wave Buoys
SOUTHERN CALIFORNIA BEACH PROCESSES SOUTHERN CALIFORNIA BEACH PROCESSES STUDY (SCBPS)STUDY (SCBPS)
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END USERS – SAND/EROSION
LOCAL GOVERNMENTS
COASTAL ENGINEERS
Torrey Pines State Beach, 11/23/02