august 24, 2005 c oastal d ata i nformation p rogram c oastal d ata i nformation p rogram 1975 -...

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