CDIP Mission

• Based at SIO • 14 People

• $2M+ / 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

California, Georgia, Guam, Hawaii, Oregon, Washington--------------------------------------------

150 Historical Stations (1975-present)

California, Georgia, Hawaii, Minnesota, North Carolina, Oregon, Virginia, Washington, Guam

-------------------------------------------All data archived, processed and available.

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

FORECAST MODELS

In-Situ ATV & JetSki Surveys: San Onofre and Torrey Pines

LIDAR

CDIP Wave Buoys

SOUTHERN CALIFORNIA BEACH SOUTHERN CALIFORNIA BEACH PROCESSES STUDY (SCBPS)PROCESSES STUDY (SCBPS)

USACE Support since 2002

Insitu Survey

Instrumentation

Insitu Surveys

Monthly: Low tide above waterline (exposed beach).

Twice/Year: Extend to 8m depth

Torrey Pines

San Onofre

Optech LIDAR Instruments

(Light Detection and Ranging)

Altitude: 3000 ft

Swath Width: 600 ft

2 Surveys/year – Long Beach to Mexican Border

Spring: eroded Late Summer: accreted

San Onofre – Low seasonal Variation.

Torrey Pines – High seasonal Variation.

Elevation Change (May – Sep 2002)

NorthwestSwell

Both San Onofre and Torrey Pines are exposed to North swell.

SouthSwell

Torrey Pines sheltered by Pt. La Jolla

San Onofre exposed

http://cdip.ucsd.edu/SCBPS - Point & Click Website

SCBPS Website 2002 – Present

• 8 LIDAR Surveys• Monthly Surveys (Torrey Pines & San Onofre)• NCEX------------------------------------------------------------------

FUTURE• Continue New Surveys• Ingest/display/archive other surveys (e.g. Coastal Frontiers)• Collaboration with observing systems (SCCOOS/IOOS)