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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
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
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
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%
MEASUREMENTS (update @ 30 min)
NOWCASTS
FORECASTS
MODELS
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
Northwest Swell
West Swell
West Swell
South Swell
San Pedro Harbor
San Francisco Swell Model
FORECAST MODELS
•
Santa Monica Bay Directional Buoy
Nearshore Directional wave prediction along the 10m depth contour
END USERS - WAVES
COMMERCIAL MARINERS
RECREATIONAL
MILITARY & GOV
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)
END USERS – SAND/EROSION
LOCAL GOVERNMENTS
COASTAL ENGINEERS
Torrey Pines State Beach, 11/23/02